#57423D
Closest named color: Purple Brown (#673A3F). oklch(40% 0.031 33.7), rgb(87, 66, 61).
Aa
White text reads best on this color (9.32:1).
About this color
#57423D is a dark, muted red. In OKLCH its lightness is 40%, its chroma 0.031 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 9.32:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.25:1 |
| White text | 9.32:1 |
Values
| HEX | #57423D |
| RGB | rgb(87, 66, 61) |
| HSL | hsl(12, 18%, 29%) |
| OKLCH | oklch(40% 0.031 33.7) |
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 #57423D | 9.32:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #57423D | 2.25:1 | Fails | Lc 12.4 | Not readable |
| #57423D text on white | 9.32:1 | AAA | Lc 91.5 | Preferred for body text |
| #57423D text on black | 2.25:1 | Fails | Lc -10.9 | 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
#EEE8E7
oklch(93.5% 0.007 28.8)
-
Step 200
200
#E1D6D4
oklch(88.4% 0.012 29.9)
-
Step 300
300
#CFBCB7
oklch(81% 0.023 35.1)
-
Step 400
400
#B69992
oklch(70.7% 0.036 33.8)
-
Step 500
500
#A48077
oklch(63.2% 0.047 34.4)
-
Step 600
600
#8F6960
oklch(55.7% 0.051 33.7)
-
Step 700
700
#79574F
oklch(49% 0.047 33.6)
-
Step 800
800
#634741
oklch(42.7% 0.04 32.4)
-
Step 900
900 (this color)
#57423D
oklch(40% 0.031 33.7)
-
Step 950
950
#2F2320
oklch(26.9% 0.019 34.4)
#57423D 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) | #47443D | 0.028 |
| Deuteranopia (no green cones) | #4B483D | 0.027 |
| Tritanopia (no blue cones) | #5C3F41 | 0.016 |
| Achromatopsia (no color) | #474747 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57423D
#57423D
oklch(40% 0.031 33.7)
- #344C52
#344C52
oklch(39.9% 0.031 215)
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 #57423D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.047
- Mud Brown #60460F ΔE 0.062
- Brownish Purple #76424E ΔE 0.066
- Dark Slate Gray #2F4F4F ΔE 0.067
- Onyx #343A40 ΔE 0.069
- Charcoal #264653 ΔE 0.078
- Dark Grey Blue #29465B ΔE 0.081
Use #57423D 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.