#573F1E
Closest named color: Mud Brown (#60460F). oklch(38.7% 0.058 73.3), rgb(87, 63, 30).
Aa
White text reads best on this color (9.83:1).
About this color
#573F1E is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.058 and its hue 73°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.033 away. White text reads best on it, at 9.83:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.058) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #573F1E |
| RGB | rgb(87, 63, 30) |
| HSL | hsl(35, 49%, 23%) |
| OKLCH | oklch(38.7% 0.058 73.3) |
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 #573F1E | 9.83:1 | AAA | Lc -96.9 | Preferred for body text |
| Black text on #573F1E | 2.13:1 | Fails | Lc 11.2 | Not readable |
| #573F1E text on white | 9.83:1 | AAA | Lc 92.7 | Preferred for body text |
| #573F1E text on black | 2.13:1 | Fails | Lc -9.7 | 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
#EFE9E1
oklch(93.7% 0.013 75.4)
-
Step 200
200
#E3D7C8
oklch(88.5% 0.024 73.6)
-
Step 300
300
#D2BDA2
oklch(80.9% 0.044 74)
-
Step 400
400
#BC9A6F
oklch(70.7% 0.071 72.8)
-
Step 500
500
#AA8149
oklch(63.1% 0.089 73.6)
-
Step 600
600
#966A29
oklch(55.8% 0.098 73.6)
-
Step 700
700
#7F581C
oklch(49.1% 0.09 73.9)
-
Step 800
800
#68481A
oklch(42.8% 0.075 72.9)
-
Step 900
900 (this color)
#573F1E
oklch(38.7% 0.058 73.3)
-
Step 950
950
#312411
oklch(27.1% 0.037 75.6)
#573F1E 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) | #48401B | 0.029 |
| Deuteranopia (no green cones) | #4D461F | 0.027 |
| Tritanopia (no blue cones) | #5F3937 | 0.048 |
| Achromatopsia (no color) | #434343 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573F1E
#573F1E
oklch(38.7% 0.058 73.3)
- #2D4663
#2D4663
oklch(38.8% 0.059 252.9)
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 #573F1E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.033
- Green Brown #544E03 ΔE 0.056
- Purple Brown #673A3F ΔE 0.064
- Charcoal Grey #3C4142 ΔE 0.066
- Dark Olive #373E02 ΔE 0.068
- Chestnut #742802 ΔE 0.073
- Olive Brown #645403 ΔE 0.076
- Onyx #343A40 ΔE 0.083
Use #573F1E 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.