About Sinopia
Sinopia is the hex color #CB410B, which translates to rgb(203, 65, 11) in RGB and hsl(17, 90%, 42%) in HSL. On the color wheel it sits at 17 degrees, with a saturation of 90 percent and a lightness of 42 percent. That combination gives Sinopia a saturated mid tone: strong enough for buttons and links, still calm enough for larger areas.
How Sinopia compares
The closest standard CSS keyword is chocolate (#D2691E), a CIE76 distance of 17.8 away in CIELAB. That is a visible difference, so the keyword is not a substitute here. In the Tailwind CSS 4.3.1 palette the nearest token is orange-700 (#CA3500), at a distance of 4.8. Inside this library the closest neighbour is Mahogany at 4.2. Sorted by lightness, Sinopia is number 8 of the 18 red colors here.
Text on Sinopia
One of the five common text colors below clears WCAG AA for normal text on Sinopia, led by White at 4.88:1. The ratios are computed with the WCAG relative luminance formula, the same one the contrast checker uses, which opens with Sinopia already loaded as the background.
| Text color | Ratio | AA normal | AA large | AAA normal |
|---|---|---|---|---|
| White #FFFFFF | 4.88:1 | Pass | Pass | Fail |
| Ink black #0F0F12 | 3.92:1 | Fail | Pass | Fail |
| Mid grey #6B7280 | 1.01:1 | Fail | Fail | Fail |
| Dark grey #374151 | 2.11:1 | Fail | Fail | Fail |
| Light grey #E5E7EB | 3.94:1 | Fail | Pass | Fail |
Building a palette around Sinopia
The pairings above give you three classic starting points. The complementary color sits opposite on the wheel and works well as an accent that draws the eye. The analogous colors sit right beside Sinopia for calmer, harmonious combinations. The triadic pair spaces three hues evenly for a balanced, energetic palette. Open any swatch to explore it as its own color, or open the palette generator with Sinopia locked and let it fill in the rest.
Full values for Sinopia
| Format | Value |
|---|---|
| HEX | #CB410B |
| RGB | rgb(203, 65, 11) |
| HSL | hsl(17, 90%, 42%) |
| HSV | hsv(17, 95%, 80%) |
| CMYK | cmyk(0%, 68%, 95%, 20%) |
| OKLCH | oklch(56.86% 0.1829 37.56) |
| CIELAB | lab(47.63 52.71 56.05) |
Frequently asked questions
What is the RGB value of Sinopia?
Sinopia (#CB410B) is rgb(203, 65, 11): 203 red, 65 green and 11 blue on the 0 to 255 scale. Red leads at 203, green follows at 65 and blue trails at 11, which puts the hue at 17 degrees. In HSL the same color is hsl(17, 90%, 42%).
What colour is #CB410B?
#CB410B is Sinopia, a mid red colour with a hue of 17 degrees, 90% saturation and 42% lightness. For print the CMYK breakdown is 0% cyan, 68% magenta, 95% yellow and 20% black. Its nearest neighbour in this library is Mahogany, 4.2 away in CIELAB, a difference you can see.
Is Sinopia a CSS color name?
No. Sinopia is not one of the 148 CSS named colors, so write it as #CB410B. The nearest keyword is chocolate (#D2691E), a CIE76 distance of 17.8: far enough that the keyword reads as a different color.
What colors go with Sinopia?
Opposite Sinopia on the color wheel sits the complementary #0B95CB, the boldest accent by hue. For a calmer scheme use the analogous neighbours #CB0B35 and #CBA10B; for a balanced three-color scheme use the triadic pair #0BCB41 and #410BCB. Of these, #0BCB41 has the most contrast against Sinopia, at 2.24:1, so pair it by hue, not for legibility.
What text color is readable on Sinopia?
White (#FFFFFF) is the most readable on Sinopia, at 4.88:1, which clears WCAG AA (4.5:1) but not AAA. 1 of the 5 common text colors tested passes AA for normal text.
Use Sinopia in a tool
Nearby colors
Last updated by FusionStudios. Every value on this page is computed by the same functions the tools use. How this is calculated.