#573334
Closest named color: Purple Brown (#673A3F). oklch(36.6% 0.052 18.1), rgb(87, 51, 52).
Aa
White text reads best on this color (10.89:1).
About this color
#573334 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.052 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.041 away. White text reads best on it, at 10.89:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.92:1 |
| White text | 10.89:1 |
Values
| HEX | #573334 |
| RGB | rgb(87, 51, 52) |
| HSL | hsl(358, 26%, 27%) |
| OKLCH | oklch(36.6% 0.052 18.1) |
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 #573334 | 10.89:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #573334 | 1.92:1 | Fails | Lc 8.8 | Not readable |
| #573334 text on white | 10.89:1 | AAA | Lc 95.1 | Preferred for body text |
| #573334 text on black | 1.92:1 | Fails | Lc -7.6 | 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
#F1E7E7
oklch(93.6% 0.011 17.4)
-
Step 200
200
#E7D4D4
oklch(88.5% 0.021 17.6)
-
Step 300
300
#D9B7B7
oklch(80.9% 0.039 18)
-
Step 400
400
#C59192
oklch(70.7% 0.063 17.5)
-
Step 500
500
#B57677
oklch(63.2% 0.08 18.5)
-
Step 600
600
#A05E60
oklch(55.7% 0.086 18.3)
-
Step 700
700
#894D4F
oklch(49.2% 0.081 18.3)
-
Step 800
800
#6F3F41
oklch(42.6% 0.067 17.6)
-
Step 900
900 (this color)
#573334
oklch(36.6% 0.052 18.1)
-
Step 950
950
#352020
oklch(27% 0.033 19.4)
#573334 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) | #3A3934 | 0.056 |
| Deuteranopia (no green cones) | #434033 | 0.053 |
| Tritanopia (no blue cones) | #5E2F34 | 0.017 |
| Achromatopsia (no color) | #3D3D3D | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573334
#573334
oklch(36.6% 0.052 18.1)
- #154749
#154749
oklch(36.6% 0.052 198.9)
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 #573334, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.059
- Onyx #343A40 ΔE 0.065
- Chestnut #742802 ΔE 0.074
- Reddy Brown #6E1005 ΔE 0.081
- Brownish Purple #76424E ΔE 0.084
- Mud Brown #60460F ΔE 0.085
- Gunmetal #293241 ΔE 0.087
Use #573334 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.