#57421D
Closest named color: Mud Brown (#60460F). oklch(39.3% 0.06 79.6), rgb(87, 66, 29).
Aa
White text reads best on this color (9.53:1).
About this color
#57421D is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.060 and its hue 80°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.025 away. White text reads best on it, at 9.53:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.20:1 |
| White text | 9.53:1 |
Values
| HEX | #57421D |
| RGB | rgb(87, 66, 29) |
| HSL | hsl(38, 50%, 23%) |
| OKLCH | oklch(39.3% 0.06 79.6) |
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 #57421D | 9.53:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #57421D | 2.20:1 | Fails | Lc 12.0 | Not readable |
| #57421D text on white | 9.53:1 | AAA | Lc 92.0 | Preferred for body text |
| #57421D text on black | 2.20:1 | Fails | Lc -10.4 | 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#EFE9E0
oklch(93.6% 0.014 78.3)
-
Step 200
200
#E2D8C7
oklch(88.6% 0.025 81.1)
-
Step 300
300
#D0BEA0
oklch(80.9% 0.045 80.5)
-
Step 400
400
#B99C6C
oklch(70.7% 0.073 79.7)
-
Step 500
500
#A78344
oklch(63.1% 0.092 79.8)
-
Step 600
600
#926C22
oklch(55.6% 0.101 80.1)
-
Step 700
700
#7C5A14
oklch(49.1% 0.093 80.4)
-
Step 800
800
#654915
oklch(42.6% 0.077 79)
-
Step 900
900 (this color)
#57421D
oklch(39.3% 0.06 79.6)
-
Step 950
950
#30240F
oklch(26.9% 0.038 80)
#57421D 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) | #4A4219 | 0.025 |
| Deuteranopia (no green cones) | #4F481E | 0.022 |
| Tritanopia (no blue cones) | #5F3C3A | 0.053 |
| Achromatopsia (no color) | #454545 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57421D
#57421D
oklch(39.3% 0.06 79.6)
- #324666
#324666
oklch(39.2% 0.06 259.5)
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 #57421D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.025
- Green Brown #544E03 ΔE 0.047
- Olive Brown #645403 ΔE 0.067
- Dark Olive #373E02 ΔE 0.067
- Charcoal Grey #3C4142 ΔE 0.069
- Purple Brown #673A3F ΔE 0.069
- Chestnut #742802 ΔE 0.078
- Navy Green #35530A ΔE 0.080
Use #57421D 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.