#573133
Closest named color: Purple Brown (#673A3F). oklch(36.1% 0.055 16.8), rgb(87, 49, 51).
Aa
White text reads best on this color (11.09:1).
About this color
#573133 is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.055 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.045 away. White text reads best on it, at 11.09:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.055) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.89:1 |
| White text | 11.09:1 |
Values
| HEX | #573133 |
| RGB | rgb(87, 49, 51) |
| HSL | hsl(357, 28%, 27%) |
| OKLCH | oklch(36.1% 0.055 16.8) |
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 #573133 | 11.09:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #573133 | 1.89:1 | Fails | Lc 8.4 | Not readable |
| #573133 text on white | 11.09:1 | AAA | Lc 95.5 | Preferred for body text |
| #573133 text on black | 1.89:1 | Fails | Lc 0.0 | 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
#F9F4F4
oklch(97.1% 0.005 17.2)
-
Step 100
100
#F2E7E7
oklch(93.7% 0.012 17.4)
-
Step 200
200
#E8D3D4
oklch(88.4% 0.023 14.3)
-
Step 300
300
#DAB6B7
oklch(80.8% 0.042 16.2)
-
Step 400
400
#C79092
oklch(70.7% 0.067 16.5)
-
Step 500
500
#B77477
oklch(63.1% 0.085 16.8)
-
Step 600
600
#A25C60
oklch(55.6% 0.092 16.8)
-
Step 700
700
#8B4B4F
oklch(49.1% 0.087 16.8)
-
Step 800
800
#713E41
oklch(42.7% 0.071 16.8)
-
Step 900
900 (this color)
#573133
oklch(36.1% 0.055 16.8)
-
Step 950
950
#361F20
oklch(27% 0.036 16.9)
#573133 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) | #383733 | 0.060 |
| Deuteranopia (no green cones) | #423E32 | 0.054 |
| Tritanopia (no blue cones) | #5E2D32 | 0.016 |
| Achromatopsia (no color) | #3C3C3C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573133
#573133
oklch(36.1% 0.055 16.8)
- #0E4647
#0E4647
oklch(36% 0.055 196.8)
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 #573133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.063
- Onyx #343A40 ΔE 0.067
- Chestnut #742802 ΔE 0.074
- Reddy Brown #6E1005 ΔE 0.077
- Claret #680018 ΔE 0.083
- Burgundy #610023 ΔE 0.085
- Gunmetal #293241 ΔE 0.087
Use #573133 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.