#563633
Closest named color: Purple Brown (#673A3F). oklch(37% 0.047 25.4), rgb(86, 54, 51).
Aa
White text reads best on this color (10.65:1).
About this color
#563633 is a dark, muted red. In OKLCH its lightness is 37%, its chroma 0.047 and its hue 25°. 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 10.65:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | muted (0.047) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #563633 |
| RGB | rgb(86, 54, 51) |
| HSL | hsl(5, 26%, 27%) |
| OKLCH | oklch(37% 0.047 25.4) |
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 #563633 | 10.65:1 | AAA | Lc -98.5 | Preferred for body text |
| Black text on #563633 | 1.97:1 | Fails | Lc 9.3 | Not readable |
| #563633 text on white | 10.65:1 | AAA | Lc 94.6 | Preferred for body text |
| #563633 text on black | 1.97:1 | Fails | Lc -8.0 | 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
#F1E7E6
oklch(93.6% 0.011 24.3)
-
Step 200
200
#E6D5D3
oklch(88.6% 0.019 25.6)
-
Step 300
300
#D7B8B5
oklch(80.9% 0.036 24.5)
-
Step 400
400
#C1948F
oklch(70.8% 0.055 25.8)
-
Step 500
500
#B17973
oklch(63.2% 0.071 26.1)
-
Step 600
600
#9C615C
oklch(55.6% 0.078 25.1)
-
Step 700
700
#85504B
oklch(49.1% 0.072 25.8)
-
Step 800
800
#6C423E
oklch(42.7% 0.059 25.7)
-
Step 900
900 (this color)
#563633
oklch(37% 0.047 25.4)
-
Step 950
950
#34211F
oklch(27.1% 0.03 25.9)
#563633 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) | #3D3A33 | 0.047 |
| Deuteranopia (no green cones) | #444133 | 0.045 |
| Tritanopia (no blue cones) | #5C3235 | 0.017 |
| Achromatopsia (no color) | #3E3E3E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563633
#563633
oklch(37% 0.047 25.4)
- #1D474C
#1D474C
oklch(37% 0.047 205.8)
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 #563633, 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 0.054
- Onyx #343A40 ΔE 0.062
- Chestnut #742802 ΔE 0.074
- Mud Brown #60460F ΔE 0.077
- Brownish Purple #76424E ΔE 0.082
- Reddy Brown #6E1005 ΔE 0.085
- Gunmetal #293241 ΔE 0.087
Use #563633 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.