#573F08
Closest named color: Mud Brown (#60460F). oklch(38.4% 0.074 82.3), rgb(87, 63, 8).
Aa
White text reads best on this color (9.90:1).
About this color
#573F08 is a dark, moderately saturated brown. In OKLCH its lightness is 38%, its chroma 0.074 and its hue 82°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.028 away. White text reads best on it, at 9.90:1.
| Hue family | Browns |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.11:1 |
| White text | 9.90:1 |
Values
| HEX | #573F08 |
| RGB | rgb(87, 63, 8) |
| HSL | hsl(42, 83%, 19%) |
| OKLCH | oklch(38.4% 0.074 82.3) |
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 #573F08 | 9.90:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #573F08 | 2.11:1 | Fails | Lc 11.1 | Not readable |
| #573F08 text on white | 9.90:1 | AAA | Lc 92.8 | Preferred for body text |
| #573F08 text on black | 2.11:1 | Fails | Lc -9.6 | 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
#EFE9DE
oklch(93.6% 0.016 82.8)
-
Step 200
200
#E3D8C3
oklch(88.5% 0.031 83.6)
-
Step 300
300
#D3BE98
oklch(81% 0.056 82.3)
-
Step 400
400
#BC9B5D
oklch(70.6% 0.089 82.2)
-
Step 500
500
#AB8229
oklch(63.1% 0.114 82.7)
-
Step 600
600
#946B00
oklch(55.5% 0.114 82)
-
Step 700
700
#7D5A00
oklch(49.1% 0.101 82.2)
-
Step 800
800
#674900
oklch(42.7% 0.088 81.6)
-
Step 900
900 (this color)
#573F08
oklch(38.4% 0.074 82.3)
-
Step 950
950
#322407
oklch(27.1% 0.048 82.3)
#573F08 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) | #493F00 | 0.028 |
| Deuteranopia (no green cones) | #4F450B | 0.022 |
| Tritanopia (no blue cones) | #5F3835 | 0.065 |
| Achromatopsia (no color) | #434343 | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573F08
#573F08
oklch(38.4% 0.074 82.3)
- #2D436B
#2D436B
oklch(38.5% 0.074 261.6)
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 #573F08, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.028
- Green Brown #544E03 ΔE 0.046
- Dark Olive #373E02 ΔE 0.060
- Olive Brown #645403 ΔE 0.069
- Chestnut #742802 ΔE 0.077
- Navy Green #35530A ΔE 0.079
- Charcoal Grey #3C4142 ΔE 0.080
- Purple Brown #673A3F ΔE 0.082
Use #573F08 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.