#5B3136
Closest named color: Purple Brown (#673A3F). oklch(36.8% 0.061 12.9), rgb(91, 49, 54).
Aa
White text reads best on this color (10.83:1).
About this color
#5B3136 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.061 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 10.83:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #5B3136 |
| RGB | rgb(91, 49, 54) |
| HSL | hsl(353, 30%, 27%) |
| OKLCH | oklch(36.8% 0.061 12.9) |
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 #5B3136 | 10.83:1 | AAA | Lc -98.8 | Preferred for body text |
| Black text on #5B3136 | 1.93:1 | Fails | Lc 9.0 | Not readable |
| #5B3136 text on white | 10.83:1 | AAA | Lc 94.9 | Preferred for body text |
| #5B3136 text on black | 1.93:1 | Fails | Lc -7.7 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F3E6E7
oklch(93.6% 0.014 12)
-
Step 200
200
#E9D3D4
oklch(88.5% 0.025 14.5)
-
Step 300
300
#DDB5B8
oklch(80.9% 0.046 13.1)
-
Step 400
400
#CA8E94
oklch(70.7% 0.073 12.5)
-
Step 500
500
#BB7179
oklch(63.1% 0.094 13.1)
-
Step 600
600
#A65862
oklch(55.5% 0.103 12.8)
-
Step 700
700
#8E4851
oklch(49.1% 0.095 13.1)
-
Step 800
800
#733C43
oklch(42.7% 0.077 12.8)
-
Step 900
900 (this color)
#5B3136
oklch(36.8% 0.061 12.9)
-
Step 950
950
#371E21
oklch(26.9% 0.039 12.3)
#5B3136 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) | #393836 | 0.066 |
| Deuteranopia (no green cones) | #434035 | 0.061 |
| Tritanopia (no blue cones) | #622D33 | 0.016 |
| Achromatopsia (no color) | #3D3D3D | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3136
#5B3136
oklch(36.8% 0.061 12.9)
- #054948
#054948
oklch(36.8% 0.061 193.2)
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 #5B3136, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.068
- Chestnut #742802 ΔE 0.071
- Onyx #343A40 ΔE 0.073
- Reddy Brown #6E1005 ΔE 0.076
- Brownish Purple #76424E ΔE 0.079
- Claret #680018 ΔE 0.082
- Burgundy #610023 ΔE 0.084
Use #5B3136 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.