#63306D
Closest named color: Grape Purple (#5D1451). oklch(40.3% 0.113 320.8), rgb(99, 48, 109).
Aa
White text reads best on this color (9.65:1).
About this color
#63306D is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.113 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.070 away. White text reads best on it, at 9.65:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.17:1 |
| White text | 9.65:1 |
Values
| HEX | #63306D |
| RGB | rgb(99, 48, 109) |
| HSL | hsl(290, 39%, 31%) |
| OKLCH | oklch(40.3% 0.113 320.8) |
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 #63306D | 9.65:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #63306D | 2.17:1 | Fails | Lc 12.0 | Not readable |
| #63306D text on white | 9.65:1 | AAA | Lc 92.0 | Preferred for body text |
| #63306D text on black | 2.17:1 | Fails | Lc -10.4 | 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 800.
-
Step 50
50
#F8F4F9
oklch(97.2% 0.008 319.4)
-
Step 100
100
#F0E6F2
oklch(93.6% 0.019 320.6)
-
Step 200
200
#E5D2E8
oklch(88.6% 0.036 321.6)
-
Step 300
300
#D5B3DB
oklch(80.9% 0.067 321.2)
-
Step 400
400
#BF8AC9
oklch(70.7% 0.107 321)
-
Step 500
500
#AE6CBB
oklch(63.1% 0.135 320.8)
-
Step 600
600
#9952A7
oklch(55.6% 0.147 320.8)
-
Step 700
700
#83428F
oklch(49.2% 0.137 321.2)
-
Step 800
800 (this color)
#63306D
oklch(40.3% 0.113 320.8)
-
Step 900
900
#56305E
oklch(37.7% 0.089 320.5)
-
Step 950
950
#331D37
oklch(27.1% 0.055 321.3)
#63306D 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) | #25416F | 0.107 |
| Deuteranopia (no green cones) | #36466B | 0.093 |
| Tritanopia (no blue cones) | #643949 | 0.072 |
| Achromatopsia (no color) | #454545 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63306D
#63306D
oklch(40.3% 0.113 320.8)
- #1E5614
#1E5614
oklch(40.1% 0.113 140.9)
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 #63306D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.073
- Dark Slate Blue #483D8B ΔE 0.073
- Rich Purple #720058 ΔE 0.074
- Velvet #750851 ΔE 0.075
- Purple #800080 ΔE 0.084
- Blueberry #464196 ΔE 0.089
- Purple Brown #673A3F ΔE 0.090
Use #63306D 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.