#573A12
Closest named color: Mud Brown (#60460F). oklch(37.4% 0.068 71.3), rgb(87, 58, 18).
Aa
White text reads best on this color (10.40:1).
About this color
#573A12 is a dark, muted brown. In OKLCH its lightness is 37%, its chroma 0.068 and its hue 71°. 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 (0.068) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #573A12 |
| RGB | rgb(87, 58, 18) |
| HSL | hsl(35, 66%, 21%) |
| OKLCH | oklch(37.4% 0.068 71.3) |
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 #573A12 | 10.40:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #573A12 | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #573A12 text on white | 10.40:1 | AAA | Lc 94.0 | Preferred for body text |
| #573A12 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
#F8F5F1
oklch(97.1% 0.006 75.4)
-
Step 100
100
#F0E8DF
oklch(93.5% 0.015 70.9)
-
Step 200
200
#E5D6C5
oklch(88.4% 0.028 70.9)
-
Step 300
300
#D6BC9D
oklch(80.9% 0.051 71.9)
-
Step 400
400
#C19867
oklch(70.7% 0.082 70.9)
-
Step 500
500
#B17E3C
oklch(63.1% 0.104 70.9)
-
Step 600
600
#9C6613
oklch(55.5% 0.113 71)
-
Step 700
700
#855501
oklch(49.1% 0.105 71.7)
-
Step 800
800
#6C4609
oklch(42.7% 0.087 72.1)
-
Step 900
900 (this color)
#573A12
oklch(37.4% 0.068 71.3)
-
Step 950
950
#34230D
oklch(27.2% 0.043 71.2)
#573A12 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) | #443C0D | 0.038 |
| Deuteranopia (no green cones) | #4B4313 | 0.034 |
| Tritanopia (no blue cones) | #5F3332 | 0.055 |
| Achromatopsia (no color) | #404040 | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573A12
#573A12
oklch(37.4% 0.068 71.3)
- #244363
#244363
oklch(37.5% 0.067 250.7)
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 #573A12, 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 0.064
- Green Brown #544E03 ΔE 0.064
- Chestnut #742802 ΔE 0.067
- Purple Brown #673A3F ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.073
- Olive Brown #645403 ΔE 0.085
- Onyx #343A40 ΔE 0.086
Use #573A12 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.