#5B2118
Closest named color: Reddy Brown (#6E1005). oklch(33.3% 0.088 31.1), rgb(91, 33, 24).
Aa
White text reads best on this color (12.53:1).
About this color
#5B2118 is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.088 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.044 away. White text reads best on it, at 12.53:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.67:1 |
| White text | 12.53:1 |
Values
| HEX | #5B2118 |
| RGB | rgb(91, 33, 24) |
| HSL | hsl(8, 58%, 23%) |
| OKLCH | oklch(33.3% 0.088 31.1) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #5B2118 | 12.53:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #5B2118 | 1.67:1 | Fails | Lc 0.0 | Not readable |
| #5B2118 text on white | 12.53:1 | AAA | Lc 97.9 | Preferred for body text |
| #5B2118 text on black | 1.67:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#FBF3F2
oklch(97% 0.009 26)
-
Step 100
100
#F6E6E2
oklch(93.7% 0.018 34.3)
-
Step 200
200
#F0D1CB
oklch(88.5% 0.036 30.8)
-
Step 300
300
#E8B2A7
oklch(81% 0.065 31.6)
-
Step 400
400
#DA8778
oklch(70.7% 0.105 30.9)
-
Step 500
500
#CE6755
oklch(63.2% 0.134 31.4)
-
Step 600
600
#B94B3A
oklch(55.5% 0.146 31)
-
Step 700
700
#9F3C2C
oklch(49.1% 0.135 31.5)
-
Step 800
800
#813226
oklch(42.7% 0.112 30.9)
-
Step 900
900 (this color)
#5B2118
oklch(33.3% 0.088 31.1)
-
Step 950
950
#3D1B15
oklch(27% 0.055 31.3)
#5B2118 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #302C17 | 0.091 |
| Deuteranopia (no green cones) | #3F3816 | 0.083 |
| Tritanopia (no blue cones) | #64151F | 0.032 |
| Achromatopsia (no color) | #343434 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2118
#5B2118
oklch(33.3% 0.088 31.1)
- #003E47
#003E47
oklch(33.4% 0.058 210.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #5B2118, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.044
- Claret #680018 ΔE 0.050
- Burgundy #610023 ΔE 0.058
- Chestnut #742802 ΔE 0.063
- Blood #770001 ΔE 0.064
- Chocolate Brown #411900 ΔE 0.070
- Wine Red #7B0323 ΔE 0.076
- Mahogany #4A0100 ΔE 0.077
Use #5B2118 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.