#57531B
Closest named color: Green Brown (#544E03). oklch(43.4% 0.076 105.2), rgb(87, 83, 27).
Aa
White text reads best on this color (7.89:1).
About this color
#57531B is a dark, moderately saturated brown. In OKLCH its lightness is 43%, its chroma 0.076 and its hue 105°. Its hue sits on the warm side of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.020 away. White text reads best on it, at 7.89:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.076) |
| Temperature | warm |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.65:1 |
| White text | 7.89:1 |
Values
| HEX | #57531B |
| RGB | rgb(87, 83, 27) |
| HSL | hsl(56, 53%, 22%) |
| OKLCH | oklch(43.4% 0.076 105.2) |
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 #57531B | 7.89:1 | AAA | Lc -92.1 | Preferred for body text |
| Black text on #57531B | 2.65:1 | Fails | Lc 16.7 | Dividers and decoration only |
| #57531B text on white | 7.89:1 | AAA | Lc 87.3 | Fine for body text |
| #57531B text on black | 2.65:1 | Fails | Lc -14.8 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DBDAC8
oklch(88.4% 0.024 104.3)
-
Step 300
300
#C4C3A2
oklch(80.9% 0.045 105.9)
-
Step 400
400
#A7A46F
oklch(70.8% 0.072 105.3)
-
Step 500
500
#918D48
oklch(63.1% 0.091 105.8)
-
Step 600
600
#7C7628
oklch(55.6% 0.099 104.9)
-
Step 700
700
#68631B
oklch(49% 0.091 105.3)
-
Step 800
800 (this color)
#57531B
oklch(43.4% 0.076 105.2)
-
Step 900
900
#46431B
oklch(37.6% 0.059 105)
-
Step 950
950
#292711
oklch(26.9% 0.036 104)
#57531B 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) | #5A5014 | 0.009 |
| Deuteranopia (no green cones) | #5C521E | 0.010 |
| Tritanopia (no blue cones) | #5E4D47 | 0.069 |
| Achromatopsia (no color) | #515151 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57531B
#57531B
oklch(43.4% 0.076 105.2)
- #4D4A79
#4D4A79
oklch(43.3% 0.077 285.6)
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 #57531B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.020
- Olive Brown #645403 ΔE 0.025
- Army Green #4B5D16 ΔE 0.037
- Mud Brown #60460F ΔE 0.038
- Camouflage Green #4B6113 ΔE 0.048
- Camo Green #526525 ΔE 0.053
- Greeny Brown #696006 ΔE 0.054
- Navy Green #35530A ΔE 0.056
Use #57531B 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.