#57573D
Closest named color: Olive Brown (#645403). oklch(44.9% 0.04 107.9), rgb(87, 87, 61).
Aa
White text reads best on this color (7.40:1).
About this color
#57573D is a dark, muted brown. In OKLCH its lightness is 45%, its chroma 0.040 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Olive Brown (#645403), ΔE 0.053 away. White text reads best on it, at 7.40:1.
| Hue family | Browns |
| Lightness | dark (45%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Olive Brown (#645403) |
| Black text | 2.83:1 |
| White text | 7.40:1 |
Values
| HEX | #57573D |
| RGB | rgb(87, 87, 61) |
| HSL | hsl(60, 18%, 29%) |
| OKLCH | oklch(44.9% 0.04 107.9) |
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 #57573D | 7.40:1 | AAA | Lc -90.6 | Preferred for body text |
| Black text on #57573D | 2.83:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #57573D text on white | 7.40:1 | AAA | Lc 85.7 | Fine for body text |
| #57573D text on black | 2.83:1 | Fails | Lc -16.3 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#EAEAE5
oklch(93.6% 0.007 106.5)
-
Step 200
200
#DADAD0
oklch(88.6% 0.013 106.7)
-
Step 300
300
#C2C2B1
oklch(80.9% 0.023 106.9)
-
Step 400
400
#A2A388
oklch(70.7% 0.038 109.1)
-
Step 500
500
#8C8C6B
oklch(63.1% 0.047 107.7)
-
Step 600
600
#767652
oklch(55.6% 0.052 108)
-
Step 700
700
#636343
oklch(49.1% 0.048 108)
-
Step 800
800 (this color)
#57573D
oklch(44.9% 0.04 107.9)
-
Step 900
900
#434330
oklch(37.7% 0.031 107.8)
-
Step 950
950
#27271C
oklch(26.9% 0.019 107.6)
#57573D 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) | #5B553B | 0.008 |
| Deuteranopia (no green cones) | #5C563E | 0.009 |
| Tritanopia (no blue cones) | #5B5450 | 0.035 |
| Achromatopsia (no color) | #555555 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #57573D
#57573D
oklch(44.9% 0.04 107.9)
- #54526A
#54526A
oklch(45% 0.039 288.5)
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 #57573D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Brown #645403 ΔE 0.053
- Green Brown #544E03 ΔE 0.057
- Mud Brown #60460F ΔE 0.058
- Army Green #4B5D16 ΔE 0.059
- Camo Green #526525 ΔE 0.061
- Pine #2B5D34 ΔE 0.064
- Mud #735C12 ΔE 0.065
- Camouflage Green #4B6113 ΔE 0.068
Use #57573D 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.