#573E2D
Closest named color: Purple Brown (#673A3F). oklch(38.7% 0.044 55.2), rgb(87, 62, 45).
Aa
White text reads best on this color (9.84:1).
About this color
#573E2D is a dark, muted brown. In OKLCH its lightness is 39%, its chroma 0.044 and its hue 55°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.047 away. White text reads best on it, at 9.84:1.
| Hue family | Browns |
| Lightness | dark (39%) |
| Chroma | muted (0.044) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.13:1 |
| White text | 9.84:1 |
Values
| HEX | #573E2D |
| RGB | rgb(87, 62, 45) |
| HSL | hsl(24, 32%, 26%) |
| OKLCH | oklch(38.7% 0.044 55.2) |
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 #573E2D | 9.84:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #573E2D | 2.13:1 | Fails | Lc 11.2 | Not readable |
| #573E2D text on white | 9.84:1 | AAA | Lc 92.8 | Preferred for body text |
| #573E2D 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
#F8F5F3
oklch(97.2% 0.004 56.4)
-
Step 100
100
#EFE8E4
oklch(93.5% 0.009 52.1)
-
Step 200
200
#E3D6CE
oklch(88.4% 0.018 54)
-
Step 300
300
#D2BCAD
oklch(81% 0.033 56.5)
-
Step 400
400
#BB9881
oklch(70.6% 0.053 55)
-
Step 500
500
#AA7F61
oklch(63.1% 0.068 56)
-
Step 600
600
#956848
oklch(55.7% 0.074 56)
-
Step 700
700
#7F5639
oklch(49.1% 0.069 55.6)
-
Step 800
800
#674730
oklch(42.8% 0.056 56.3)
-
Step 900
900 (this color)
#573E2D
oklch(38.7% 0.044 55.2)
-
Step 950
950
#312319
oklch(27% 0.028 56.8)
#573E2D 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) | #45402C | 0.033 |
| Deuteranopia (no green cones) | #4B452D | 0.029 |
| Tritanopia (no blue cones) | #5E393A | 0.032 |
| Achromatopsia (no color) | #434343 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573E2D
#573E2D
oklch(38.7% 0.044 55.2)
- #2C4859
#2C4859
oklch(38.7% 0.045 236.2)
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 #573E2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.047
- Mud Brown #60460F ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.053
- Onyx #343A40 ΔE 0.071
- Green Brown #544E03 ΔE 0.073
- Chestnut #742802 ΔE 0.073
- Dark Slate Gray #2F4F4F ΔE 0.079
- Dark Olive #373E02 ΔE 0.081
Use #573E2D 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.