#57433B
Closest named color: Purple Brown (#673A3F). oklch(40.2% 0.031 42.9), rgb(87, 67, 59).
Aa
White text reads best on this color (9.24:1).
About this color
#57433B is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.031 and its hue 43°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.040 away. White text reads best on it, at 9.24:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.27:1 |
| White text | 9.24:1 |
Values
| HEX | #57433B |
| RGB | rgb(87, 67, 59) |
| HSL | hsl(17, 19%, 29%) |
| OKLCH | oklch(40.2% 0.031 42.9) |
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 #57433B | 9.24:1 | AAA | Lc -95.6 | Preferred for body text |
| Black text on #57433B | 2.27:1 | Fails | Lc 12.7 | Not readable |
| #57433B text on white | 9.24:1 | AAA | Lc 91.3 | Preferred for body text |
| #57433B text on black | 2.27:1 | Fails | Lc -11.0 | 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
#E1D7D2
oklch(88.6% 0.013 48.6)
-
Step 300
300
#CEBCB5
oklch(80.8% 0.023 42.5)
-
Step 400
400
#B69A8F
oklch(70.8% 0.037 42.6)
-
Step 500
500
#A38173
oklch(63.2% 0.047 43.5)
-
Step 600
600
#8E6A5B
oklch(55.7% 0.052 43.7)
-
Step 700
700
#78584B
oklch(49% 0.047 43.1)
-
Step 800
800
#62483E
oklch(42.7% 0.039 42)
-
Step 900
900 (this color)
#57433B
oklch(40.2% 0.031 42.9)
-
Step 950
950
#2F231F
oklch(26.9% 0.02 39.2)
#57433B 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) | #48453A | 0.027 |
| Deuteranopia (no green cones) | #4D493B | 0.024 |
| Tritanopia (no blue cones) | #5C4041 | 0.018 |
| Achromatopsia (no color) | #474747 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57433B
#57433B
oklch(40.2% 0.031 42.9)
- #364C54
#364C54
oklch(40.2% 0.03 222.4)
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 #57433B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.049
- Mud Brown #60460F ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.067
- Brownish Purple #76424E ΔE 0.068
- Onyx #343A40 ΔE 0.071
- Green Brown #544E03 ΔE 0.078
- Charcoal #264653 ΔE 0.079
Use #57433B 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.