#5B4E37
Closest named color: Mud Brown (#60460F). oklch(43.1% 0.039 81.5), rgb(91, 78, 55).
Aa
White text reads best on this color (8.10:1).
About this color
#5B4E37 is a dark, muted brown. In OKLCH its lightness is 43%, its chroma 0.039 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.042 away. White text reads best on it, at 8.10:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.58:1 |
| White text | 8.10:1 |
Values
| HEX | #5B4E37 |
| RGB | rgb(91, 78, 55) |
| HSL | hsl(38, 25%, 29%) |
| OKLCH | oklch(43.1% 0.039 81.5) |
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 #5B4E37 | 8.10:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #5B4E37 | 2.58:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #5B4E37 text on white | 8.10:1 | AAA | Lc 88.1 | Fine for body text |
| #5B4E37 text on black | 2.58:1 | Fails | Lc -14.1 | 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 800.
-
Step 50
50
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#ECE9E5
oklch(93.5% 0.006 75.4)
-
Step 200
200
#DDD8D0
oklch(88.4% 0.012 79.8)
-
Step 300
300
#C8BFB0
oklch(80.8% 0.023 80.7)
-
Step 400
400
#AC9F87
oklch(70.7% 0.037 82.9)
-
Step 500
500
#988769
oklch(63.1% 0.047 81.7)
-
Step 600
600
#837151
oklch(55.7% 0.051 81.6)
-
Step 700
700
#6E5E41
oklch(49% 0.048 82)
-
Step 800
800 (this color)
#5B4E37
oklch(43.1% 0.039 81.5)
-
Step 900
900
#4A402F
oklch(37.7% 0.031 80.7)
-
Step 950
950
#2B261C
oklch(27.1% 0.019 84.5)
#5B4E37 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) | #544E35 | 0.013 |
| Deuteranopia (no green cones) | #575138 | 0.011 |
| Tritanopia (no blue cones) | #614A48 | 0.035 |
| Achromatopsia (no color) | #505050 | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B4E37
#5B4E37
oklch(43.1% 0.039 81.5)
- #445066
#445066
oklch(43% 0.04 262.4)
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 #5B4E37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.042
- Green Brown #544E03 ΔE 0.054
- Olive Brown #645403 ΔE 0.057
- Purple Brown #673A3F ΔE 0.067
- Milk Chocolate #7F4E1E ΔE 0.068
- Dark Slate Gray #2F4F4F ΔE 0.070
- Medium Brown #7F5112 ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.074
Use #5B4E37 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.