#5B1F1C
Closest named color: Reddy Brown (#6E1005). oklch(33.1% 0.089 26), rgb(91, 31, 28).
Aa
White text reads best on this color (12.66:1).
About this color
#5B1F1C is a dark, moderately saturated red. In OKLCH its lightness is 33%, its chroma 0.089 and its hue 26°. 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 12.66:1.
| Hue family | Reds |
| Lightness | dark (33%) |
| Chroma | moderately saturated (0.089) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.65:1 |
| White text | 12.66:1 |
Values
| HEX | #5B1F1C |
| RGB | rgb(91, 31, 28) |
| HSL | hsl(3, 53%, 23%) |
| OKLCH | oklch(33.1% 0.089 26) |
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 #5B1F1C | 12.66:1 | AAA | Lc -101.5 | Preferred for body text |
| Black text on #5B1F1C | 1.65:1 | Fails | Lc 0.0 | Not readable |
| #5B1F1C text on white | 12.66:1 | AAA | Lc 98.1 | Preferred for body text |
| #5B1F1C text on black | 1.65:1 | 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
#F7E5E3
oklch(93.6% 0.02 25.2)
-
Step 200
200
#F1D0CC
oklch(88.4% 0.038 26.1)
-
Step 300
300
#E9B1AA
oklch(81% 0.067 26.8)
-
Step 400
400
#DB867D
oklch(70.7% 0.106 26.6)
-
Step 500
500
#CF655D
oklch(63.2% 0.136 26.1)
-
Step 600
600
#BA4943
oklch(55.6% 0.148 26)
-
Step 700
700
#A03935
oklch(49% 0.138 25.7)
-
Step 800
800
#82302C
oklch(42.6% 0.114 25.9)
-
Step 900
900 (this color)
#5B1F1C
oklch(33.1% 0.089 26)
-
Step 950
950
#3E1A17
oklch(27% 0.057 26.4)
#5B1F1C 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) | #2F2B1B | 0.094 |
| Deuteranopia (no green cones) | #3E381A | 0.088 |
| Tritanopia (no blue cones) | #64121F | 0.029 |
| Achromatopsia (no color) | #333333 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1F1C
#5B1F1C
oklch(33.1% 0.089 26)
- #003E44
#003E44
oklch(33.2% 0.057 205.6)
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 #5B1F1C, 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 0.045
- Burgundy #610023 ΔE 0.050
- Blood #770001 ΔE 0.064
- Chestnut #742802 ΔE 0.067
- Chocolate Brown #411900 ΔE 0.071
- Wine Red #7B0323 ΔE 0.073
- Mahogany #4A0100 ΔE 0.075
Use #5B1F1C 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.