#57553E
Closest named color: Olive Brown (#645403). oklch(44.5% 0.036 103.6), rgb(87, 85, 62).
Aa
White text reads best on this color (7.56:1).
About this color
#57553E is a dark, muted brown. In OKLCH its lightness is 44%, its chroma 0.036 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.056 away. White text reads best on it, at 7.56:1.
| Hue family | Browns |
| Lightness | dark (44%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #57553E |
| RGB | rgb(87, 85, 62) |
| HSL | hsl(55, 17%, 29%) |
| OKLCH | oklch(44.5% 0.036 103.6) |
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 #57553E | 7.56:1 | AAA | Lc -91.1 | Preferred for body text |
| Black text on #57553E | 2.77:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #57553E text on white | 7.56:1 | AAA | Lc 86.3 | Fine for body text |
| #57553E text on black | 2.77:1 | Fails | Lc -15.8 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#DADAD1
oklch(88.6% 0.012 106.6)
-
Step 300
300
#C3C1B2
oklch(80.8% 0.021 100.7)
-
Step 400
400
#A4A28A
oklch(70.7% 0.034 103.3)
-
Step 500
500
#8E8B6D
oklch(63.1% 0.043 102.8)
-
Step 600
600
#787555
oklch(55.6% 0.047 103.3)
-
Step 700
700
#656245
oklch(49.1% 0.044 102.9)
-
Step 800
800 (this color)
#57553E
oklch(44.5% 0.036 103.6)
-
Step 900
900
#444231
oklch(37.6% 0.028 102)
-
Step 950
950
#28271D
oklch(27% 0.018 102.8)
#57553E 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) | #59533D | 0.006 |
| Deuteranopia (no green cones) | #5A553F | 0.005 |
| Tritanopia (no blue cones) | #5B524F | 0.032 |
| Achromatopsia (no color) | #545454 | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57553E
#57553E
oklch(44.5% 0.036 103.6)
- #515267
#515267
oklch(44.6% 0.034 282.8)
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 #57553E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.056
- Mud Brown #60460F ΔE 0.056
- Green Brown #544E03 ΔE 0.058
- Army Green #4B5D16 ΔE 0.064
- Pine #2B5D34 ΔE 0.067
- Dark Slate Gray #2F4F4F ΔE 0.067
- Camo Green #526525 ΔE 0.068
- Mud #735C12 ΔE 0.070
Use #57553E 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.