#573A0C
Closest named color: Mud Brown (#60460F). oklch(37.3% 0.072 73.7), rgb(87, 58, 12).
Aa
White text reads best on this color (10.41:1).
About this color
#573A0C is a dark, moderately saturated brown. In OKLCH its lightness is 37%, its chroma 0.072 and its hue 74°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.040 away. White text reads best on it, at 10.41:1.
| Hue family | Browns |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.072) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #573A0C |
| RGB | rgb(87, 58, 12) |
| HSL | hsl(37, 76%, 19%) |
| OKLCH | oklch(37.3% 0.072 73.7) |
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 #573A0C | 10.41:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #573A0C | 2.01:1 | Fails | Lc 9.9 | Not readable |
| #573A0C text on white | 10.41:1 | AAA | Lc 94.0 | Preferred for body text |
| #573A0C 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
#F0E9DF
oklch(93.7% 0.015 77.1)
-
Step 200
200
#E5D7C4
oklch(88.5% 0.03 75.7)
-
Step 300
300
#D6BC9B
oklch(80.9% 0.053 73.5)
-
Step 400
400
#C19963
oklch(70.8% 0.086 74)
-
Step 500
500
#B17E34
oklch(63% 0.11 73.3)
-
Step 600
600
#9C6700
oklch(55.7% 0.118 73.9)
-
Step 700
700
#835600
oklch(49.1% 0.104 74.1)
-
Step 800
800
#6C4600
oklch(42.7% 0.091 73.9)
-
Step 900
900 (this color)
#573A0C
oklch(37.3% 0.072 73.7)
-
Step 950
950
#34230A
oklch(27.1% 0.046 74)
#573A0C 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) | #443C05 | 0.038 |
| Deuteranopia (no green cones) | #4B430E | 0.033 |
| Tritanopia (no blue cones) | #603231 | 0.060 |
| Achromatopsia (no color) | #404040 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573A0C
#573A0C
oklch(37.3% 0.072 73.7)
- #244266
#244266
oklch(37.4% 0.072 254)
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 #573A0C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.040
- Dark Olive #373E02 ΔE 0.062
- Green Brown #544E03 ΔE 0.062
- Chestnut #742802 ΔE 0.068
- Purple Brown #673A3F ΔE 0.076
- Charcoal Grey #3C4142 ΔE 0.077
- Olive Brown #645403 ΔE 0.084
- Pakistan Green #283618 ΔE 0.086
Use #573A0C 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.