#5B251D
Closest named color: Reddy Brown (#6E1005). oklch(34% 0.081 30.4), rgb(91, 37, 29).
Aa
White text reads best on this color (12.15:1).
About this color
#5B251D is a dark, moderately saturated red. In OKLCH its lightness is 34%, its chroma 0.081 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Reddy Brown (#6E1005), ΔE 0.048 away. White text reads best on it, at 12.15:1.
| Hue family | Reds |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.081) |
| Temperature | warm |
| Nearest name | Reddy Brown (#6E1005) |
| Black text | 1.72:1 |
| White text | 12.15:1 |
Values
| HEX | #5B251D |
| RGB | rgb(91, 37, 29) |
| HSL | hsl(8, 52%, 24%) |
| OKLCH | oklch(34% 0.081 30.4) |
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 #5B251D | 12.15:1 | AAA | Lc -100.9 | Preferred for body text |
| Black text on #5B251D | 1.72:1 | Fails | Lc 0.0 | Not readable |
| #5B251D text on white | 12.15:1 | AAA | Lc 97.3 | Preferred for body text |
| #5B251D text on black | 1.72:1 | 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
#FBF4F2
oklch(97.2% 0.008 36.6)
-
Step 100
100
#F5E6E3
oklch(93.6% 0.017 31.1)
-
Step 200
200
#EFD1CC
oklch(88.4% 0.034 29)
-
Step 300
300
#E5B3A9
oklch(80.9% 0.06 31.4)
-
Step 400
400
#D7897C
oklch(70.7% 0.098 30)
-
Step 500
500
#CA6A5A
oklch(63.2% 0.125 30.8)
-
Step 600
600
#B54F40
oklch(55.6% 0.136 30.4)
-
Step 700
700
#9B3F32
oklch(49% 0.126 30.3)
-
Step 800
800
#7E352A
oklch(42.7% 0.104 30.6)
-
Step 900
900 (this color)
#5B251D
oklch(34% 0.081 30.4)
-
Step 950
950
#3C1C17
oklch(27% 0.051 30.1)
#5B251D 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) | #332E1C | 0.083 |
| Deuteranopia (no green cones) | #403A1C | 0.077 |
| Tritanopia (no blue cones) | #641B23 | 0.030 |
| Achromatopsia (no color) | #363636 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B251D
#5B251D
oklch(34% 0.081 30.4)
- #004049
#004049
oklch(34% 0.059 210.4)
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 #5B251D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Reddy Brown #6E1005 ΔE 0.048
- Claret #680018 ΔE 0.056
- Chestnut #742802 ΔE 0.060
- Burgundy #610023 ΔE 0.063
- Blood #770001 ΔE 0.067
- Purple Brown #673A3F ΔE 0.070
- Chocolate Brown #411900 ΔE 0.076
- Wine Red #7B0323 ΔE 0.077
Use #5B251D 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.