#63304B
Closest named color: Purple Brown (#673A3F). oklch(38.6% 0.082 348.6), rgb(99, 48, 75).
Aa
White text reads best on this color (10.21:1).
About this color
#63304B is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.082 and its hue 349°. 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 10.21:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.082) |
| Temperature | warm |
| Nearest name | Purple Brown (#673A3F) |
| Black text | 2.05:1 |
| White text | 10.21:1 |
Values
| HEX | #63304B |
| RGB | rgb(99, 48, 75) |
| HSL | hsl(328, 35%, 29%) |
| OKLCH | oklch(38.6% 0.082 348.6) |
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 #63304B | 10.21:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #63304B | 2.05:1 | Fails | Lc 10.5 | Not readable |
| #63304B text on white | 10.21:1 | AAA | Lc 93.4 | Preferred for body text |
| #63304B text on black | 2.05:1 | Fails | Lc -9.1 | 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
#FAF3F6
oklch(97% 0.008 349.2)
-
Step 100
100
#F4E5EC
oklch(93.6% 0.019 347.4)
-
Step 200
200
#EBD0DD
oklch(88.4% 0.035 347.1)
-
Step 300
300
#E0B1C7
oklch(80.9% 0.061 348.8)
-
Step 400
400
#CE87AB
oklch(70.6% 0.098 348.1)
-
Step 500
500
#C06896
oklch(63.2% 0.125 348.6)
-
Step 600
600
#AB4D80
oklch(55.5% 0.136 348.7)
-
Step 700
700
#933E6C
oklch(49.2% 0.126 349.1)
-
Step 800
800
#773458
oklch(42.7% 0.104 349)
-
Step 900
900 (this color)
#63304B
oklch(38.6% 0.082 348.6)
-
Step 950
950
#391B2B
oklch(27% 0.053 348)
#63304B 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) | #353C4C | 0.088 |
| Deuteranopia (no green cones) | #42444A | 0.080 |
| Tritanopia (no blue cones) | #692F3A | 0.031 |
| Achromatopsia (no color) | #414141 | 0.082 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63304B
#63304B
oklch(38.6% 0.082 348.6)
- #00513C
#00513C
oklch(38.6% 0.078 168.1)
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 #63304B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple Brown #673A3F ΔE 0.040
- Brownish Purple #76424E ΔE 0.065
- Grape Purple #5D1451 ΔE 0.067
- Velvet #750851 ΔE 0.072
- Merlot #730039 ΔE 0.073
- Red Purple #820747 ΔE 0.078
- Wine #80013F ΔE 0.079
- Bordeaux #7B002C ΔE 0.081
Use #63304B 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.