Block Rally color palette

Block Rally is a 4-color palette drawing on neutrals, blues and oranges. In OKLCH its lightness runs from 18% (#111111, very dark) to 84% (#FCBF49, light), and its most saturated color, #FCBF49, is vivid. 2 of its 3 chromatic colors sit on the cool side of the hue wheel. 2 of its 6 color pairs reach the WCAG AA ratio of 4.5:1 for body text. It is tagged corporate, blue, yellow and colorblind-friendly.

CorporateBlueYellowColorblind-friendly

Color codes

ColorHEXRGBHSLOKLCH
Rich Navy #111111 rgb(17, 17, 17) hsl(0, 0%, 7%) oklch(17.8% 0 0)
Prussian Blue #1D3557 rgb(29, 53, 87) hsl(215, 50%, 23%) oklch(32.8% 0.068 257.3)
Cerulean #0077B6 rgb(0, 119, 182) hsl(201, 100%, 36%) oklch(54.6% 0.131 242.7)
Maximum Yellow Red #FCBF49 rgb(252, 191, 73) hsl(40, 97%, 64%) oklch(84% 0.147 80.5)

Accessibility

The best text and background pairs in Block Rally, by WCAG 2 contrast ratio, with the APCA lightness contrast (Lc) of the text on its background.

PairWCAG 2LevelAPCA Lc
#111111 on #FCBF49 11.41:1 AAA Lc 74.4
#FCBF49 on #1D3557 7.47:1 AAA Lc -67.7
#111111 on #0077B6 3.88:1 AA large Lc 30.3

Color vision

No pair of colors comes within ΔE 0.06 of another under protanopia, deuteranopia, tritanopia or achromatopsia. It is tagged colorblind-friendly: every pair stays at least ΔE 0.14 apart.

  • Protanopia

  • Deuteranopia

  • Tritanopia

  • Achromatopsia

Use it in code

Install these colors as Tailwind CSS v4 theme colors with shadcn: npx shadcn@latest add https://getcolors.so/r/palette/111111-1d3557-0077b6-fcbf49.json.

Make it your own

Edit the colors, build a full light and dark color system from them, or see them on real UI.

Gradients from these colors