#57550D
Closest named color: Olive Brown (#645403). oklch(43.8% 0.088 107.9), rgb(87, 85, 13).
Aa
White text reads best on this color (7.74:1).
About this color
#57550D is a dark, moderately saturated brown. In OKLCH its lightness is 44%, its chroma 0.088 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.022 away. White text reads best on it, at 7.74:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.088) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.71:1 |
| White text | 7.74:1 |
Values
| HEX | #57550D |
| RGB | rgb(87, 85, 13) |
| HSL | hsl(58, 74%, 20%) |
| OKLCH | oklch(43.8% 0.088 107.9) |
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 #57550D | 7.74:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #57550D | 2.71:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #57550D text on white | 7.74:1 | AAA | Lc 86.8 | Fine for body text |
| #57550D text on black | 2.71:1 | Fails | Lc -15.3 | Dividers and decoration only |
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 800.
-
Step 50
50
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EAEBE0
oklch(93.6% 0.015 110.9)
-
Step 200
200
#DADBC6
oklch(88.5% 0.028 109.2)
-
Step 300
300
#C3C49D
oklch(80.9% 0.053 108.7)
-
Step 400
400
#A5A567
oklch(70.7% 0.083 108.3)
-
Step 500
500
#908E3B
oklch(63.1% 0.105 107.8)
-
Step 600
600
#7A7811
oklch(55.7% 0.115 108.4)
-
Step 700
700
#676400
oklch(49% 0.105 107.7)
-
Step 800
800 (this color)
#57550D
oklch(43.8% 0.088 107.9)
-
Step 900
900
#454412
oklch(37.7% 0.069 108.2)
-
Step 950
950
#29280D
oklch(27.1% 0.043 107)
#57550D 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) | #5D5100 | 0.014 |
| Deuteranopia (no green cones) | #5E5413 | 0.014 |
| Tritanopia (no blue cones) | #5E4F48 | 0.080 |
| Achromatopsia (no color) | #535353 | 0.088 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57550D
#57550D
oklch(43.8% 0.088 107.9)
- #504980
#504980
oklch(43.8% 0.089 288)
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 #57550D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.022
- Green Brown #544E03 ΔE 0.022
- Army Green #4B5D16 ΔE 0.028
- Camouflage Green #4B6113 ΔE 0.038
- Camo Green #526525 ΔE 0.046
- Greeny Brown #696006 ΔE 0.047
- Mud Brown #60460F ΔE 0.047
- Navy Green #35530A ΔE 0.052
Use #57550D 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.