#57552C
Closest named color: Olive Brown (#645403). oklch(44.1% 0.06 106.1), rgb(87, 85, 44).
Aa
White text reads best on this color (7.66:1).
About this color
#57552C is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.060 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.034 away. White text reads best on it, at 7.66:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.060) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.74:1 |
| White text | 7.66:1 |
Values
| HEX | #57552C |
| RGB | rgb(87, 85, 44) |
| HSL | hsl(57, 33%, 26%) |
| OKLCH | oklch(44.1% 0.06 106.1) |
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 #57552C | 7.66:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #57552C | 2.74:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #57552C text on white | 7.66:1 | AAA | Lc 86.6 | Fine for body text |
| #57552C text on black | 2.74:1 | Fails | Lc -15.5 | 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EAEAE3
oklch(93.5% 0.009 106.6)
-
Step 200
200
#DADACC
oklch(88.5% 0.019 106.8)
-
Step 300
300
#C3C2A9
oklch(80.8% 0.034 105.3)
-
Step 400
400
#A5A37B
oklch(70.7% 0.055 105.3)
-
Step 500
500
#8F8D58
oklch(63.2% 0.073 106.4)
-
Step 600
600
#79763D
oklch(55.5% 0.078 106)
-
Step 700
700
#66632F
oklch(49% 0.073 105.8)
-
Step 800
800 (this color)
#57552C
oklch(44.1% 0.06 106.1)
-
Step 900
900
#454325
oklch(37.7% 0.047 105.1)
-
Step 950
950
#282716
oklch(26.9% 0.029 105.3)
#57552C 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) | #5B5229 | 0.010 |
| Deuteranopia (no green cones) | #5C542E | 0.010 |
| Tritanopia (no blue cones) | #5C504B | 0.054 |
| Achromatopsia (no color) | #535353 | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57552C
#57552C
oklch(44.1% 0.06 106.1)
- #504E73
#504E73
oklch(44.2% 0.06 286.1)
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 #57552C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.034
- Green Brown #544E03 ΔE 0.036
- Army Green #4B5D16 ΔE 0.043
- Mud Brown #60460F ΔE 0.044
- Camo Green #526525 ΔE 0.053
- Camouflage Green #4B6113 ΔE 0.054
- Greeny Brown #696006 ΔE 0.057
- Mud #735C12 ΔE 0.058
Use #57552C 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.