#563137
Closest named color: Purple Brown (#673A3F). oklch(36.1% 0.054 9.7), rgb(86, 49, 55).
Aa
White text reads best on this color (11.11:1).
About this color
#563137 is a dark, muted red. In OKLCH its lightness is 36%, its chroma 0.054 and its hue 10°. 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 11.11:1.
| Hue family | Reds |
| Lightness | dark (36%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.89:1 |
| White text | 11.11:1 |
Values
| HEX | #563137 |
| RGB | rgb(86, 49, 55) |
| HSL | hsl(350, 27%, 26%) |
| OKLCH | oklch(36.1% 0.054 9.7) |
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 #563137 | 11.11:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #563137 | 1.89:1 | Fails | Lc 8.4 | Not readable |
| #563137 text on white | 11.11:1 | AAA | Lc 95.5 | Preferred for body text |
| #563137 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
#F1E7E8
oklch(93.6% 0.011 10.3)
-
Step 200
200
#E8D3D6
oklch(88.5% 0.024 7.8)
-
Step 300
300
#D9B6BB
oklch(80.8% 0.041 8.3)
-
Step 400
400
#C59097
oklch(70.6% 0.065 10.1)
-
Step 500
500
#B5747E
oklch(63% 0.083 9.7)
-
Step 600
600
#A15C67
oklch(55.7% 0.091 10.2)
-
Step 700
700
#894B56
oklch(49% 0.085 9.3)
-
Step 800
800
#703E46
oklch(42.7% 0.07 10.2)
-
Step 900
900 (this color)
#563137
oklch(36.1% 0.054 9.7)
-
Step 950
950
#351F23
oklch(26.9% 0.035 7.8)
#563137 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) | #373737 | 0.060 |
| Deuteranopia (no green cones) | #403E36 | 0.055 |
| Tritanopia (no blue cones) | #5C2E33 | 0.014 |
| Achromatopsia (no color) | #3C3C3C | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563137
#563137
oklch(36.1% 0.054 9.7)
- #114644
#114644
oklch(36% 0.054 191.4)
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 #563137, 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 0.062
- Onyx #343A40 ΔE 0.064
- Chestnut #742802 ΔE 0.079
- Reddy Brown #6E1005 ΔE 0.082
- Gunmetal #293241 ΔE 0.084
- Claret #680018 ΔE 0.085
- Burgundy #610023 ΔE 0.085
Use #563137 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.