#63302B
Closest named color: Purple Brown (#673A3F). oklch(37.6% 0.075 27), rgb(99, 48, 43).
Aa
White text reads best on this color (10.56:1).
About this color
#63302B is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.075 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Purple Brown (#673A3F), ΔE 0.036 away. White text reads best on it, at 10.56:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.075) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #63302B |
| RGB | rgb(99, 48, 43) |
| HSL | hsl(5, 39%, 28%) |
| OKLCH | oklch(37.6% 0.075 27) |
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 #63302B | 10.56:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #63302B | 1.98:1 | Fails | Lc 9.7 | Not readable |
| #63302B text on white | 10.56:1 | AAA | Lc 94.2 | Preferred for body text |
| #63302B text on black | 1.98:1 | Fails | Lc -8.4 | 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
#FAF4F3
oklch(97.2% 0.007 28.8)
-
Step 100
100
#F5E6E4
oklch(93.6% 0.017 26.7)
-
Step 200
200
#EDD2CE
oklch(88.5% 0.031 27.8)
-
Step 300
300
#E3B3AD
oklch(80.8% 0.057 26.6)
-
Step 400
400
#D38B82
oklch(70.7% 0.09 27.4)
-
Step 500
500
#C56C63
oklch(63% 0.115 26.8)
-
Step 600
600
#B1524A
oklch(55.6% 0.126 26.8)
-
Step 700
700
#97423B
oklch(49% 0.116 26.9)
-
Step 800
800
#7B3731
oklch(42.6% 0.096 27)
-
Step 900
900 (this color)
#63302B
oklch(37.6% 0.075 27)
-
Step 950
950
#3A1D1A
oklch(27% 0.046 26.8)
#63302B 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) | #3C382A | 0.077 |
| Deuteranopia (no green cones) | #49432A | 0.071 |
| Tritanopia (no blue cones) | #6C282F | 0.027 |
| Achromatopsia (no color) | #3F3F3F | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63302B
#63302B
oklch(37.6% 0.075 27)
- #004A52
#004A52
oklch(37.4% 0.064 207.2)
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 #63302B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.036
- Chestnut #742802 ΔE 0.048
- Reddy Brown #6E1005 ΔE 0.061
- Blood #770001 ΔE 0.074
- Wine Red #7B0323 ΔE 0.074
- Brownish Purple #76424E ΔE 0.075
- Claret #680018 ΔE 0.076
- Mud Brown #60460F ΔE 0.079
Use #63302B 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.