#5B3436
Closest named color: Purple Brown (#673A3F). oklch(37.4% 0.056 16.8), rgb(91, 52, 54).
Aa
White text reads best on this color (10.55:1).
About this color
#5B3436 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.056 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.032 away. White text reads best on it, at 10.55:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.98:1 |
| White text | 10.55:1 |
Values
| HEX | #5B3436 |
| RGB | rgb(91, 52, 54) |
| HSL | hsl(357, 27%, 28%) |
| OKLCH | oklch(37.4% 0.056 16.8) |
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 #5B3436 | 10.55:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #5B3436 | 1.98:1 | Fails | Lc 9.6 | Not readable |
| #5B3436 text on white | 10.55:1 | AAA | Lc 94.3 | Preferred for body text |
| #5B3436 text on black | 1.98:1 | Fails | Lc -8.3 | 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
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D3D4
oklch(88.4% 0.023 14.3)
-
Step 300
300
#DBB6B7
oklch(80.9% 0.043 16.2)
-
Step 400
400
#C79092
oklch(70.7% 0.067 16.5)
-
Step 500
500
#B87477
oklch(63.2% 0.086 16.9)
-
Step 600
600
#A35B5F
oklch(55.5% 0.094 17.1)
-
Step 700
700
#8B4B4F
oklch(49.1% 0.087 16.8)
-
Step 800
800
#713E41
oklch(42.7% 0.071 16.8)
-
Step 900
900 (this color)
#5B3436
oklch(37.4% 0.056 16.8)
-
Step 950
950
#361F20
oklch(27% 0.036 16.9)
#5B3436 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) | #3C3A36 | 0.059 |
| Deuteranopia (no green cones) | #454235 | 0.057 |
| Tritanopia (no blue cones) | #623035 | 0.016 |
| Achromatopsia (no color) | #3F3F3F | 0.057 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B3436
#5B3436
oklch(37.4% 0.056 16.8)
- #114A4B
#114A4B
oklch(37.4% 0.057 196.7)
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 #5B3436, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.032
- Charcoal Grey #3C4142 ΔE 0.063
- Chestnut #742802 ΔE 0.070
- Onyx #343A40 ΔE 0.072
- Brownish Purple #76424E ΔE 0.075
- Reddy Brown #6E1005 ΔE 0.080
- Mud Brown #60460F ΔE 0.083
- Claret #680018 ΔE 0.088
Use #5B3436 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.