#5B1D1B
Closest named color: Claret (#680018). oklch(32.8% 0.092 25.4), rgb(91, 29, 27).
Aa
White text reads best on this color (12.83:1).
About this color
#5B1D1B is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.092 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Claret (#680018), ΔE 0.042 away. White text reads best on it, at 12.83:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.092) |
| Temperature | warm |
| Nearest name | Claret (#680018) |
| Black text | 1.63:1 |
| White text | 12.83:1 |
Values
| HEX | #5B1D1B |
| RGB | rgb(91, 29, 27) |
| HSL | hsl(2, 54%, 23%) |
| OKLCH | oklch(32.8% 0.092 25.4) |
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 #5B1D1B | 12.83:1 | AAA | Lc -101.7 | Preferred for body text |
| Black text on #5B1D1B | 1.63:1 | Fails | Lc 0.0 | Not readable |
| #5B1D1B text on white | 12.83:1 | AAA | Lc 98.3 | Preferred for body text |
| #5B1D1B text on black | 1.63:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F2D0CC
oklch(88.5% 0.039 25.8)
-
Step 300
300
#EAB0AA
oklch(80.9% 0.069 25.4)
-
Step 400
400
#DD857D
oklch(70.8% 0.11 25.8)
-
Step 500
500
#D1635C
oklch(63.1% 0.141 25.6)
-
Step 600
600
#BC4742
oklch(55.6% 0.152 25.7)
-
Step 700
700
#A23734
oklch(49.1% 0.142 25.4)
-
Step 800
800
#832F2C
oklch(42.7% 0.117 25.3)
-
Step 900
900 (this color)
#5B1D1B
oklch(32.8% 0.092 25.4)
-
Step 950
950
#3E1A17
oklch(27% 0.057 26.4)
#5B1D1B 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) | #2D2A1A | 0.099 |
| Deuteranopia (no green cones) | #3D3719 | 0.090 |
| Tritanopia (no blue cones) | #640F1D | 0.028 |
| Achromatopsia (no color) | #323232 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1D1B
#5B1D1B
oklch(32.8% 0.092 25.4)
- #003D43
#003D43
oklch(32.9% 0.056 205.7)
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 #5B1D1B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Claret #680018 ΔE 0.042
- Reddy Brown #6E1005 ΔE 0.044
- Burgundy #610023 ΔE 0.047
- Blood #770001 ΔE 0.063
- Chestnut #742802 ΔE 0.069
- Chocolate Brown #411900 ΔE 0.070
- Mahogany #4A0100 ΔE 0.071
- Wine Red #7B0323 ΔE 0.072
Use #5B1D1B 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.