#573541
Closest named color: Purple Brown (#673A3F). oklch(37.4% 0.052 357.2), rgb(87, 53, 65).
Aa
White text reads best on this color (10.54:1).
About this color
#573541 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.052 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.037 away. White text reads best on it, at 10.54:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.052) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #573541 |
| RGB | rgb(87, 53, 65) |
| HSL | hsl(339, 24%, 27%) |
| OKLCH | oklch(37.4% 0.052 357.2) |
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 #573541 | 10.54:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #573541 | 1.99:1 | Fails | Lc 9.6 | Not readable |
| #573541 text on white | 10.54:1 | AAA | Lc 94.4 | Preferred for body text |
| #573541 text on black | 1.99:1 | Fails | Lc -8.2 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F1E7EA
oklch(93.7% 0.012 357)
-
Step 200
200
#E6D4D9
oklch(88.6% 0.021 358.7)
-
Step 300
300
#D7B7C1
oklch(81% 0.039 357.2)
-
Step 400
400
#C191A1
oklch(70.7% 0.062 357)
-
Step 500
500
#B1758A
oklch(63.1% 0.08 357)
-
Step 600
600
#9C5D74
oklch(55.6% 0.087 356.9)
-
Step 700
700
#854D61
oklch(49.2% 0.08 357.6)
-
Step 800
800
#6C3F4F
oklch(42.7% 0.066 357.5)
-
Step 900
900 (this color)
#573541
oklch(37.4% 0.052 357.2)
-
Step 950
950
#342027
oklch(27.2% 0.033 356.9)
#573541 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) | #393B41 | 0.056 |
| Deuteranopia (no green cones) | #414140 | 0.052 |
| Tritanopia (no blue cones) | #5C3339 | 0.015 |
| Achromatopsia (no color) | #3F3F3F | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573541
#573541
oklch(37.4% 0.052 357.2)
- #1E4A40
#1E4A40
oklch(37.5% 0.052 176.3)
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 #573541, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.058
- Onyx #343A40 ΔE 0.064
- Brownish Purple #76424E ΔE 0.075
- Gunmetal #293241 ΔE 0.086
- Dark Grey Blue #29465B ΔE 0.087
- Charcoal #264653 ΔE 0.087
- Grape Purple #5D1451 ΔE 0.087
Use #573541 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.