#573138
Closest named color: Purple Brown (#673A3F). oklch(36.3% 0.056 8.3), rgb(87, 49, 56).
Aa
White text reads best on this color (11.04:1).
About this color
#573138 is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.056 and its hue 8°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.043 away. White text reads best on it, at 11.04:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.056) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.90:1 |
| White text | 11.04:1 |
Values
| HEX | #573138 |
| RGB | rgb(87, 49, 56) |
| HSL | hsl(349, 28%, 27%) |
| OKLCH | oklch(36.3% 0.056 8.3) |
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 #573138 | 11.04:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #573138 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #573138 text on white | 11.04:1 | AAA | Lc 95.4 | Preferred for body text |
| #573138 text on black | 1.90:1 | 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
#F9F4F5
oklch(97.1% 0.006 3.3)
-
Step 100
100
#F2E7E8
oklch(93.7% 0.012 11)
-
Step 200
200
#E8D3D6
oklch(88.5% 0.024 7.8)
-
Step 300
300
#DAB6BB
oklch(80.9% 0.042 8.6)
-
Step 400
400
#C69098
oklch(70.8% 0.066 9.1)
-
Step 500
500
#B6737F
oklch(63% 0.086 8.2)
-
Step 600
600
#A15B68
oklch(55.5% 0.093 8.6)
-
Step 700
700
#8A4B57
oklch(49.2% 0.086 8.5)
-
Step 800
800
#703D47
oklch(42.6% 0.072 8)
-
Step 900
900 (this color)
#573138
oklch(36.3% 0.056 8.3)
-
Step 950
950
#351F23
oklch(26.9% 0.035 7.8)
#573138 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) | #373838 | 0.062 |
| Deuteranopia (no green cones) | #413F37 | 0.057 |
| Tritanopia (no blue cones) | #5D2E33 | 0.014 |
| Achromatopsia (no color) | #3C3C3C | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #573138
#573138
oklch(36.3% 0.056 8.3)
- #104743
#104743
oklch(36.2% 0.056 187.9)
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 #573138, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.063
- Onyx #343A40 ΔE 0.066
- Chestnut #742802 ΔE 0.079
- Reddy Brown #6E1005 ΔE 0.082
- Brownish Purple #76424E ΔE 0.084
- Claret #680018 ΔE 0.085
- Burgundy #610023 ΔE 0.085
Use #573138 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.