#563B33
Closest named color: Purple Brown (#673A3F). oklch(38.1% 0.041 37.2), rgb(86, 59, 51).
Aa
White text reads best on this color (10.14:1).
About this color
#563B33 is a dark, muted red. In OKLCH its lightness is 38%, its chroma 0.041 and its hue 37°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.040 away. White text reads best on it, at 10.14:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | muted (0.041) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.06:1 |
| White text | 10.14:1 |
Values
| HEX | #563B33 |
| RGB | rgb(86, 59, 51) |
| HSL | hsl(14, 26%, 27%) |
| OKLCH | oklch(38.1% 0.041 37.2) |
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 #563B33 | 10.14:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #563B33 | 2.06:1 | Fails | Lc 10.4 | Not readable |
| #563B33 text on white | 10.14:1 | AAA | Lc 93.5 | Preferred for body text |
| #563B33 text on black | 2.06:1 | Fails | Lc -9.0 | 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
#F8F4F3
oklch(97% 0.005 34.3)
-
Step 100
100
#F0E8E6
oklch(93.7% 0.009 34.3)
-
Step 200
200
#E4D6D1
oklch(88.6% 0.017 40.8)
-
Step 300
300
#D3BAB3
oklch(80.8% 0.03 36.2)
-
Step 400
400
#BD978B
oklch(70.8% 0.049 38.2)
-
Step 500
500
#AC7C6F
oklch(63.1% 0.063 35.7)
-
Step 600
600
#976557
oklch(55.6% 0.069 36.3)
-
Step 700
700
#805447
oklch(49.1% 0.063 37.2)
-
Step 800
800
#68453A
oklch(42.7% 0.052 38.2)
-
Step 900
900 (this color)
#563B33
oklch(38.1% 0.041 37.2)
-
Step 950
950
#32221D
oklch(27% 0.026 38.1)
#563B33 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) | #413E32 | 0.039 |
| Deuteranopia (no green cones) | #484433 | 0.036 |
| Tritanopia (no blue cones) | #5C3739 | 0.021 |
| Achromatopsia (no color) | #414141 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #563B33
#563B33
oklch(38.1% 0.041 37.2)
- #284851
#284851
oklch(38.1% 0.041 217.8)
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 #563B33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Charcoal Grey #3C4142 ΔE 0.049
- Onyx #343A40 ΔE 0.064
- Mud Brown #60460F ΔE 0.064
- Chestnut #742802 ΔE 0.075
- Brownish Purple #76424E ΔE 0.078
- Dark Slate Gray #2F4F4F ΔE 0.080
- Charcoal #264653 ΔE 0.085
Use #563B33 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.