#5B2524
Closest named color: Reddy Brown (#6E1005). oklch(34.2% 0.08 23.3), rgb(91, 37, 36).
Aa
White text reads best on this color (12.10:1).
About this color
#5B2524 is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.080 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.051 away. White text reads best on it, at 12.10:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.080) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.73:1 |
| White text | 12.10:1 |
Values
| HEX | #5B2524 |
| RGB | rgb(91, 37, 36) |
| HSL | hsl(1, 43%, 25%) |
| OKLCH | oklch(34.2% 0.08 23.3) |
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 #5B2524 | 12.10:1 | AAA | Lc -100.8 | Preferred for body text |
| Black text on #5B2524 | 1.73:1 | Fails | Lc 0.0 | Not readable |
| #5B2524 text on white | 12.10:1 | AAA | Lc 97.2 | Preferred for body text |
| #5B2524 text on black | 1.73:1 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EFD1CF
oklch(88.5% 0.034 22.4)
-
Step 300
300
#E5B2AE
oklch(80.9% 0.06 23.6)
-
Step 400
400
#D68884
oklch(70.6% 0.097 23)
-
Step 500
500
#C96965
oklch(63.1% 0.123 23.6)
-
Step 600
600
#B44E4D
oklch(55.5% 0.133 23)
-
Step 700
700
#9B3F3E
oklch(49.2% 0.124 23.4)
-
Step 800
800
#7E3433
oklch(42.7% 0.103 23.2)
-
Step 900
900 (this color)
#5B2524
oklch(34.2% 0.08 23.3)
-
Step 950
950
#3C1C1A
oklch(27.1% 0.051 24.7)
#5B2524 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) | #322F24 | 0.085 |
| Deuteranopia (no green cones) | #3F3A23 | 0.079 |
| Tritanopia (no blue cones) | #641C25 | 0.025 |
| Achromatopsia (no color) | #363636 | 0.080 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B2524
#5B2524
oklch(34.2% 0.08 23.3)
- #004146
#004146
oklch(34.2% 0.058 203.4)
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 #5B2524, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.051
- Claret #680018 ΔE 0.054
- Burgundy #610023 ΔE 0.058
- Chestnut #742802 ΔE 0.064
- Purple Brown #673A3F ΔE 0.066
- Blood #770001 ΔE 0.069
- Wine Red #7B0323 ΔE 0.074
- Bordeaux #7B002C ΔE 0.079
Use #5B2524 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.