#57552E
Closest named color: Olive Brown (#645403). oklch(44.1% 0.058 106), rgb(87, 85, 46).
Aa
White text reads best on this color (7.65:1).
About this color
#57552E is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.058 and its hue 106°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.036 away. White text reads best on it, at 7.65:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.74:1 |
| White text | 7.65:1 |
Values
| HEX | #57552E |
| RGB | rgb(87, 85, 46) |
| HSL | hsl(57, 31%, 26%) |
| OKLCH | oklch(44.1% 0.058 106) |
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 #57552E | 7.65:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #57552E | 2.74:1 | Fails | Lc 17.4 | Dividers and decoration only |
| #57552E text on white | 7.65:1 | AAA | Lc 86.6 | Fine for body text |
| #57552E 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
#C3C2AA
oklch(80.8% 0.033 105.2)
-
Step 400
400
#A5A37C
oklch(70.7% 0.054 105.2)
-
Step 500
500
#8F8C5B
oklch(63.1% 0.068 105.2)
-
Step 600
600
#797640
oklch(55.6% 0.075 105.8)
-
Step 700
700
#666332
oklch(49.1% 0.069 105.6)
-
Step 800
800 (this color)
#57552E
oklch(44.1% 0.058 106)
-
Step 900
900
#454326
oklch(37.7% 0.045 104.9)
-
Step 950
950
#282717
oklch(26.9% 0.028 105.1)
#57552E 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) | #5B522B | 0.010 |
| Deuteranopia (no green cones) | #5C5430 | 0.010 |
| Tritanopia (no blue cones) | #5C504C | 0.053 |
| Achromatopsia (no color) | #535353 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57552E
#57552E
oklch(44.1% 0.058 106)
- #504E72
#504E72
oklch(44.1% 0.059 286.3)
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 #57552E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.036
- Green Brown #544E03 ΔE 0.038
- Mud Brown #60460F ΔE 0.045
- Army Green #4B5D16 ΔE 0.045
- Camo Green #526525 ΔE 0.054
- Camouflage Green #4B6113 ΔE 0.056
- Greeny Brown #696006 ΔE 0.059
- Pine #2B5D34 ΔE 0.059
Use #57552E 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.