#57310E
Closest named color: Chestnut (#742802). oklch(35.4% 0.073 59), rgb(87, 49, 14).
Aa
White text reads best on this color (11.34:1).
About this color
#57310E is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.073 and its hue 59°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.060 away. White text reads best on it, at 11.34:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.073) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.85:1 |
| White text | 11.34:1 |
Values
| HEX | #57310E |
| RGB | rgb(87, 49, 14) |
| HSL | hsl(29, 72%, 20%) |
| OKLCH | oklch(35.4% 0.073 59) |
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 #57310E | 11.34:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #57310E | 1.85:1 | Fails | Lc 8.0 | Not readable |
| #57310E text on white | 11.34:1 | AAA | Lc 95.9 | Preferred for body text |
| #57310E text on black | 1.85:1 | Fails | Lc 0.0 | 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
#F9F4F1
oklch(97% 0.007 53.4)
-
Step 100
100
#F2E8E0
oklch(93.7% 0.015 61.3)
-
Step 200
200
#E9D5C6
oklch(88.5% 0.03 59.3)
-
Step 300
300
#DCB99E
oklch(80.9% 0.055 59.5)
-
Step 400
400
#C99369
oklch(70.6% 0.087 58.6)
-
Step 500
500
#BB783F
oklch(63.2% 0.111 59.1)
-
Step 600
600
#A65F1A
oklch(55.6% 0.121 58.9)
-
Step 700
700
#8E4E09
oklch(49.1% 0.112 59.1)
-
Step 800
800
#74400E
oklch(42.7% 0.094 58.4)
-
Step 900
900 (this color)
#57310E
oklch(35.4% 0.073 59)
-
Step 950
950
#37200E
oklch(26.9% 0.046 57.2)
#57310E 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) | #3D3509 | 0.053 |
| Deuteranopia (no green cones) | #463E0E | 0.049 |
| Tritanopia (no blue cones) | #60292A | 0.051 |
| Achromatopsia (no color) | #3A3A3A | 0.073 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57310E
#57310E
oklch(35.4% 0.073 59)
- #0C405D
#0C405D
oklch(35.4% 0.072 239)
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 #57310E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.060
- Mud Brown #60460F ΔE 0.065
- Dark Olive #373E02 ΔE 0.073
- Reddy Brown #6E1005 ΔE 0.074
- Purple Brown #673A3F ΔE 0.074
- Charcoal Grey #3C4142 ΔE 0.080
- Pakistan Green #283618 ΔE 0.086
- Chocolate Brown #411900 ΔE 0.086
Use #57310E 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.