#57431C
Closest named color: Mud Brown (#60460F). oklch(39.6% 0.062 82), rgb(87, 67, 28).
Aa
White text reads best on this color (9.43:1).
About this color
#57431C is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.062 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.023 away. White text reads best on it, at 9.43:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.22:1 |
| White text | 9.43:1 |
Values
| HEX | #57431C |
| RGB | rgb(87, 67, 28) |
| HSL | hsl(40, 51%, 23%) |
| OKLCH | oklch(39.6% 0.062 82) |
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 #57431C | 9.43:1 | AAA | Lc -96.0 | Preferred for body text |
| Black text on #57431C | 2.22:1 | Fails | Lc 12.2 | Not readable |
| #57431C text on white | 9.43:1 | AAA | Lc 91.7 | Preferred for body text |
| #57431C text on black | 2.22:1 | Fails | Lc -10.6 | 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EEE9E0
oklch(93.5% 0.013 82.4)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D0BE9F
oklch(80.9% 0.047 81.3)
-
Step 400
400
#B89C6B
oklch(70.6% 0.074 81.1)
-
Step 500
500
#A68441
oklch(63.2% 0.095 82.5)
-
Step 600
600
#916C1E
oklch(55.5% 0.103 81.6)
-
Step 700
700
#7C5A0F
oklch(49.1% 0.096 81.2)
-
Step 800
800
#644A11
oklch(42.6% 0.079 82.4)
-
Step 900
900 (this color)
#57431C
oklch(39.6% 0.062 82)
-
Step 950
950
#30240F
oklch(26.9% 0.038 80)
#57431C 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) | #4B4318 | 0.023 |
| Deuteranopia (no green cones) | #50481D | 0.019 |
| Tritanopia (no blue cones) | #5F3D3A | 0.054 |
| Achromatopsia (no color) | #464646 | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57431C
#57431C
oklch(39.6% 0.062 82)
- #344668
#344668
oklch(39.5% 0.062 262.5)
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 #57431C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.023
- Green Brown #544E03 ΔE 0.043
- Olive Brown #645403 ΔE 0.063
- Dark Olive #373E02 ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.071
- Purple Brown #673A3F ΔE 0.072
- Navy Green #35530A ΔE 0.077
- Chestnut #742802 ΔE 0.080
Use #57431C 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.