#5B1C11
Closest named color: Reddy Brown (#6E1005). oklch(32.5% 0.095 32.2), rgb(91, 28, 17).
Aa
White text reads best on this color (12.97:1).
About this color
#5B1C11 is a dark, moderately saturated red. In OKLCH its lightness is 32%, its chroma 0.095 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.041 away. White text reads best on it, at 12.97:1.
| Hue family | Reds |
| Lightness | dark (32%) |
| Chroma | moderately saturated (0.095) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.61:1 |
| White text | 12.97:1 |
Values
| HEX | #5B1C11 |
| RGB | rgb(91, 28, 17) |
| HSL | hsl(9, 69%, 21%) |
| OKLCH | oklch(32.5% 0.095 32.2) |
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 #5B1C11 | 12.97:1 | AAA | Lc -101.9 | Preferred for body text |
| Black text on #5B1C11 | 1.61:1 | Fails | Lc 0.0 | Not readable |
| #5B1C11 text on white | 12.97:1 | AAA | Lc 98.5 | Preferred for body text |
| #5B1C11 text on black | 1.61:1 | 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
#FCF3F1
oklch(97.1% 0.01 32.5)
-
Step 100
100
#F7E5E1
oklch(93.5% 0.021 32.5)
-
Step 200
200
#F2D0C9
oklch(88.4% 0.04 31.6)
-
Step 300
300
#EBB0A4
oklch(80.9% 0.072 31.7)
-
Step 400
400
#DE8573
oklch(70.7% 0.113 32.3)
-
Step 500
500
#D3634E
oklch(63.2% 0.146 32.2)
-
Step 600
600
#BE4631
oklch(55.6% 0.159 32.2)
-
Step 700
700
#A33724
oklch(49.1% 0.146 32.3)
-
Step 800
800
#852E1F
oklch(42.7% 0.123 32.1)
-
Step 900
900 (this color)
#5B1C11
oklch(32.5% 0.095 32.2)
-
Step 950
950
#3F1A13
oklch(27.1% 0.06 32.2)
#5B1C11 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) | #2E280F | 0.098 |
| Deuteranopia (no green cones) | #3D360F | 0.090 |
| Tritanopia (no blue cones) | #650B1A | 0.036 |
| Achromatopsia (no color) | #313131 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B1C11
#5B1C11
oklch(32.5% 0.095 32.2)
- #003B45
#003B45
oklch(32.4% 0.057 213.1)
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 #5B1C11, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.041
- Claret #680018 ΔE 0.045
- Burgundy #610023 ΔE 0.054
- Blood #770001 ΔE 0.062
- Chocolate Brown #411900 ΔE 0.065
- Chestnut #742802 ΔE 0.067
- Mahogany #4A0100 ΔE 0.068
- Wine Red #7B0323 ΔE 0.077
Use #5B1C11 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.