#573F2B
Closest named color: Mud Brown (#60460F). oklch(38.9% 0.046 60.7), rgb(87, 63, 43).
Aa
White text reads best on this color (9.76:1).
About this color
#573F2B is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.046 and its hue 61°. Its hue sits on the warm side of the wheel. The nearest named color is Mud Brown (#60460F), ΔE 0.044 away. White text reads best on it, at 9.76:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.046) |
| Temperature | warm |
| Nearest name | Mud Brown (#60460F) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #573F2B |
| RGB | rgb(87, 63, 43) |
| HSL | hsl(27, 34%, 25%) |
| OKLCH | oklch(38.9% 0.046 60.7) |
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 #573F2B | 9.76:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #573F2B | 2.15:1 | Fails | Lc 11.4 | Not readable |
| #573F2B text on white | 9.76:1 | AAA | Lc 92.6 | Preferred for body text |
| #573F2B text on black | 2.15:1 | Fails | Lc -9.9 | 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
#EFE8E3
oklch(93.5% 0.01 58.2)
-
Step 200
200
#E3D7CD
oklch(88.6% 0.019 62.4)
-
Step 300
300
#D2BCAB
oklch(80.9% 0.034 60)
-
Step 400
400
#BB997E
oklch(70.7% 0.056 60.2)
-
Step 500
500
#A9805D
oklch(63.1% 0.071 61.5)
-
Step 600
600
#946943
oklch(55.7% 0.077 61.7)
-
Step 700
700
#7E5735
oklch(49.1% 0.071 61.1)
-
Step 800
800
#67472C
oklch(42.7% 0.06 60.4)
-
Step 900
900 (this color)
#573F2B
oklch(38.9% 0.046 60.7)
-
Step 950
950
#312318
oklch(27% 0.029 59.3)
#573F2B 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) | #464129 | 0.032 |
| Deuteranopia (no green cones) | #4C462B | 0.028 |
| Tritanopia (no blue cones) | #5E3A3A | 0.035 |
| Achromatopsia (no color) | #444444 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573F2B
#573F2B
oklch(38.9% 0.046 60.7)
- #2D485B
#2D485B
oklch(38.8% 0.046 240.2)
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 #573F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Mud Brown #60460F ΔE 0.044
- Purple Brown #673A3F ΔE 0.050
- Charcoal Grey #3C4142 ΔE 0.055
- Green Brown #544E03 ΔE 0.068
- Onyx #343A40 ΔE 0.074
- Chestnut #742802 ΔE 0.074
- Dark Olive #373E02 ΔE 0.078
- Dark Slate Gray #2F4F4F ΔE 0.079
Use #573F2B 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.