#57423A
Closest named color: Purple Brown (#673A3F). oklch(39.9% 0.032 41.8), rgb(87, 66, 58).
Aa
White text reads best on this color (9.35:1).
About this color
#57423A is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.032 and its hue 42°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.039 away. White text reads best on it, at 9.35:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.24:1 |
| White text | 9.35:1 |
Values
| HEX | #57423A |
| RGB | rgb(87, 66, 58) |
| HSL | hsl(17, 20%, 28%) |
| OKLCH | oklch(39.9% 0.032 41.8) |
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 #57423A | 9.35:1 | AAA | Lc -95.9 | Preferred for body text |
| Black text on #57423A | 2.24:1 | Fails | Lc 12.4 | Not readable |
| #57423A text on white | 9.35:1 | AAA | Lc 91.6 | Preferred for body text |
| #57423A text on black | 2.24:1 | Fails | Lc -10.8 | 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 900.
-
Step 50
50
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EEE8E6
oklch(93.5% 0.007 39.5)
-
Step 200
200
#E1D6D2
oklch(88.4% 0.013 41.2)
-
Step 300
300
#CFBCB5
oklch(80.9% 0.024 41.4)
-
Step 400
400
#B7998E
oklch(70.7% 0.039 41.2)
-
Step 500
500
#A48072
oklch(63.1% 0.049 42.3)
-
Step 600
600
#8F695B
oklch(55.6% 0.054 41.1)
-
Step 700
700
#7A584A
oklch(49.2% 0.05 43.3)
-
Step 800
800
#63483D
oklch(42.8% 0.041 43.2)
-
Step 900
900 (this color)
#57423A
oklch(39.9% 0.032 41.8)
-
Step 950
950
#2F231F
oklch(26.9% 0.02 39.2)
#57423A 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) | #474439 | 0.029 |
| Deuteranopia (no green cones) | #4C483A | 0.026 |
| Tritanopia (no blue cones) | #5C3F40 | 0.018 |
| Achromatopsia (no color) | #474747 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57423A
#57423A
oklch(39.9% 0.032 41.8)
- #344C54
#344C54
oklch(40% 0.032 220.6)
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 #57423A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.039
- Charcoal Grey #3C4142 ΔE 0.048
- Mud Brown #60460F ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.068
- Brownish Purple #76424E ΔE 0.069
- Onyx #343A40 ΔE 0.070
- Green Brown #544E03 ΔE 0.079
- Charcoal #264653 ΔE 0.080
Use #57423A 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.