#57421A
Closest named color: Mud Brown (#60460F). oklch(39.3% 0.063 81.2), rgb(87, 66, 26).
Aa
White text reads best on this color (9.54:1).
About this color
#57421A is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.063 and its hue 81°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.024 away. White text reads best on it, at 9.54:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.063) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.19:1 |
| White text | 9.54:1 |
Values
| HEX | #57421A |
| RGB | rgb(87, 66, 26) |
| HSL | hsl(39, 54%, 22%) |
| OKLCH | oklch(39.3% 0.063 81.2) |
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 #57421A | 9.54:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #57421A | 2.19:1 | Fails | Lc 11.9 | Not readable |
| #57421A text on white | 9.54:1 | AAA | Lc 92.0 | Preferred for body text |
| #57421A text on black | 2.19:1 | 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
#E2D8C6
oklch(88.5% 0.027 82.4)
-
Step 300
300
#D0BE9F
oklch(80.9% 0.047 81.3)
-
Step 400
400
#B99C69
oklch(70.7% 0.076 81.1)
-
Step 500
500
#A7833F
oklch(63.1% 0.097 81.3)
-
Step 600
600
#926C1A
oklch(55.6% 0.105 81.6)
-
Step 700
700
#7D5A0A
oklch(49.2% 0.098 81.1)
-
Step 800
800
#654A0F
oklch(42.7% 0.081 81.9)
-
Step 900
900 (this color)
#57421A
oklch(39.3% 0.063 81.2)
-
Step 950
950
#30240E
oklch(26.9% 0.039 80.9)
#57421A 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) | #4B4216 | 0.023 |
| Deuteranopia (no green cones) | #50471B | 0.019 |
| Tritanopia (no blue cones) | #5F3C39 | 0.055 |
| Achromatopsia (no color) | #454545 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57421A
#57421A
oklch(39.3% 0.063 81.2)
- #324668
#324668
oklch(39.3% 0.063 260.6)
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 #57421A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.024
- Green Brown #544E03 ΔE 0.045
- Olive Brown #645403 ΔE 0.065
- Dark Olive #373E02 ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.071
- Purple Brown #673A3F ΔE 0.072
- Chestnut #742802 ΔE 0.078
- Navy Green #35530A ΔE 0.079
Use #57421A 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.