#573F24
Closest named color: Mud Brown (#60460F). oklch(38.8% 0.053 68.5), rgb(87, 63, 36).
Aa
White text reads best on this color (9.80:1).
About this color
#573F24 is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.053 and its hue 68°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.037 away. White text reads best on it, at 9.80:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.053) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.14:1 |
| White text | 9.80:1 |
Values
| HEX | #573F24 |
| RGB | rgb(87, 63, 36) |
| HSL | hsl(32, 41%, 24%) |
| OKLCH | oklch(38.8% 0.053 68.5) |
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 #573F24 | 9.80:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #573F24 | 2.14:1 | Fails | Lc 11.3 | Not readable |
| #573F24 text on white | 9.80:1 | AAA | Lc 92.7 | Preferred for body text |
| #573F24 text on black | 2.14:1 | Fails | Lc -9.8 | 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
#F8F5F2
oklch(97.2% 0.005 67.8)
-
Step 100
100
#EFE9E2
oklch(93.7% 0.011 71.9)
-
Step 200
200
#E3D7CA
oklch(88.5% 0.022 69.8)
-
Step 300
300
#D2BCA6
oklch(80.8% 0.039 67.2)
-
Step 400
400
#BB9A76
oklch(70.7% 0.063 69)
-
Step 500
500
#AA8052
oklch(63% 0.081 68)
-
Step 600
600
#956936
oklch(55.6% 0.088 68.3)
-
Step 700
700
#7F5728
oklch(49% 0.082 68.1)
-
Step 800
800
#674823
oklch(42.8% 0.067 69.1)
-
Step 900
900 (this color)
#573F24
oklch(38.8% 0.053 68.5)
-
Step 950
950
#312314
oklch(26.9% 0.033 67.6)
#573F24 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) | #474022 | 0.030 |
| Deuteranopia (no green cones) | #4D4625 | 0.027 |
| Tritanopia (no blue cones) | #5E3938 | 0.042 |
| Achromatopsia (no color) | #444444 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573F24
#573F24
oklch(38.8% 0.053 68.5)
- #2D475F
#2D475F
oklch(38.8% 0.052 247.4)
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 #573F24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.037
- Purple Brown #673A3F ΔE 0.058
- Charcoal Grey #3C4142 ΔE 0.061
- Green Brown #544E03 ΔE 0.061
- Dark Olive #373E02 ΔE 0.072
- Chestnut #742802 ΔE 0.073
- Onyx #343A40 ΔE 0.079
- Olive Brown #645403 ΔE 0.079
Use #573F24 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.