#573A10
Closest named color: Mud Brown (#60460F). oklch(37.4% 0.069 72.2), rgb(87, 58, 16).
Aa
White text reads best on this color (10.40:1).
About this color
#573A10 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.069 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.041 away. White text reads best on it, at 10.40:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | muted (0.069) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #573A10 |
| RGB | rgb(87, 58, 16) |
| HSL | hsl(35, 69%, 20%) |
| OKLCH | oklch(37.4% 0.069 72.2) |
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 #573A10 | 10.40:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #573A10 | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #573A10 text on white | 10.40:1 | AAA | Lc 94.0 | Preferred for body text |
| #573A10 text on black | 2.01:1 | Fails | Lc -8.6 | Not readable |
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 900.
-
Step 50
50
#F8F5F0
oklch(97.1% 0.007 80.7)
-
Step 100
100
#F0E8DF
oklch(93.5% 0.015 70.9)
-
Step 200
200
#E5D7C5
oklch(88.6% 0.029 74.3)
-
Step 300
300
#D6BC9C
oklch(80.9% 0.052 72.7)
-
Step 400
400
#C19866
oklch(70.6% 0.083 71.4)
-
Step 500
500
#B17E39
oklch(63.1% 0.106 71.8)
-
Step 600
600
#9C660C
oklch(55.5% 0.115 71.9)
-
Step 700
700
#855500
oklch(49.1% 0.105 71.8)
-
Step 800
800
#6C4605
oklch(42.7% 0.089 72.9)
-
Step 900
900 (this color)
#573A10
oklch(37.4% 0.069 72.2)
-
Step 950
950
#34230C
oklch(27.1% 0.044 72.2)
#573A10 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) | #443C0A | 0.038 |
| Deuteranopia (no green cones) | #4B4311 | 0.034 |
| Tritanopia (no blue cones) | #5F3331 | 0.055 |
| Achromatopsia (no color) | #404040 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573A10
#573A10
oklch(37.4% 0.069 72.2)
- #244264
#244264
oklch(37.3% 0.069 252.8)
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 #573A10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.041
- Dark Olive #373E02 ΔE 0.063
- Green Brown #544E03 ΔE 0.063
- Chestnut #742802 ΔE 0.067
- Purple Brown #673A3F ΔE 0.073
- Charcoal Grey #3C4142 ΔE 0.075
- Olive Brown #645403 ΔE 0.085
- Pakistan Green #283618 ΔE 0.086
Use #573A10 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.