#5B5A37
Closest named color: Olive Brown (#645403). oklch(45.9% 0.052 106.9), rgb(91, 90, 55).
Aa
White text reads best on this color (7.08:1).
About this color
#5B5A37 is a medium-dark, muted brown. In OKLCH its lightness is 46%, its chroma 0.052 and its hue 107°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.042 away. White text reads best on it, at 7.08:1.
| Hue family | Browns |
| Lightness | medium-dark (46%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #5B5A37 |
| RGB | rgb(91, 90, 55) |
| HSL | hsl(58, 25%, 29%) |
| OKLCH | oklch(45.9% 0.052 106.9) |
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 #5B5A37 | 7.08:1 | AAA | Lc -89.5 | Fine for body text |
| Black text on #5B5A37 | 2.96:1 | Fails | Lc 19.5 | Dividers and decoration only |
| #5B5A37 text on white | 7.08:1 | AAA | Lc 84.6 | Fine for body text |
| #5B5A37 text on black | 2.96:1 | Fails | Lc -17.4 | Dividers and decoration only |
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 700.
-
Step 50
50
#F6F6F3
oklch(97.2% 0.004 106.5)
-
Step 100
100
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#DADACF
oklch(88.5% 0.015 106.7)
-
Step 300
300
#C2C2B0
oklch(80.9% 0.025 106.9)
-
Step 400
400
#A3A386
oklch(70.8% 0.041 107.4)
-
Step 500
500
#8D8C68
oklch(63.1% 0.051 106.4)
-
Step 600
600
#77764F
oklch(55.7% 0.056 106.8)
-
Step 700
700 (this color)
#5B5A37
oklch(45.9% 0.052 106.9)
-
Step 800
800
#515135
oklch(42.7% 0.043 108.1)
-
Step 900
900
#43432E
oklch(37.7% 0.034 107.9)
-
Step 950
950
#27271B
oklch(26.9% 0.021 107.7)
#5B5A37 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) | #605734 | 0.011 |
| Deuteranopia (no green cones) | #605938 | 0.009 |
| Tritanopia (no blue cones) | #605651 | 0.046 |
| Achromatopsia (no color) | #585858 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #5B5A37
#5B5A37
oklch(45.9% 0.052 106.9)
- #555474
#555474
oklch(46% 0.052 285.6)
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 #5B5A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.042
- Camo Green #526525 ΔE 0.048
- Army Green #4B5D16 ΔE 0.050
- Mud #735C12 ΔE 0.051
- Greeny Brown #696006 ΔE 0.053
- Green Brown #544E03 ΔE 0.055
- Dark Moss Green #606C38 ΔE 0.056
- Camouflage Green #4B6113 ΔE 0.057
Use #5B5A37 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.