#63316B
Closest named color: Grape Purple (#5D1451). oklch(40.3% 0.11 321.9), rgb(99, 49, 107).
Aa
White text reads best on this color (9.62:1).
About this color
#63316B is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.110 and its hue 322°. 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 9.62:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.110) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.18:1 |
| White text | 9.62:1 |
Values
| HEX | #63316B |
| RGB | rgb(99, 49, 107) |
| HSL | hsl(292, 37%, 31%) |
| OKLCH | oklch(40.3% 0.11 321.9) |
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 #63316B | 9.62:1 | AAA | Lc -96.2 | Preferred for body text |
| Black text on #63316B | 2.18:1 | Fails | Lc 12.0 | Not readable |
| #63316B text on white | 9.62:1 | AAA | Lc 91.9 | Preferred for body text |
| #63316B text on black | 2.18:1 | Fails | Lc -10.5 | 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
#F0E6F1
oklch(93.6% 0.018 323)
-
Step 200
200
#E5D2E7
oklch(88.5% 0.035 322.9)
-
Step 300
300
#D5B3DA
oklch(80.9% 0.065 322)
-
Step 400
400
#BF8BC7
oklch(70.8% 0.103 322)
-
Step 500
500
#AE6DB8
oklch(63.2% 0.13 322.1)
-
Step 600
600
#9953A4
oklch(55.6% 0.142 322)
-
Step 700
700
#82438D
oklch(49.1% 0.133 321.5)
-
Step 800
800 (this color)
#63316B
oklch(40.3% 0.11 321.9)
-
Step 900
900
#56315C
oklch(37.7% 0.084 321.8)
-
Step 950
950
#331D36
oklch(27.1% 0.054 322.6)
#63316B 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) | #28416D | 0.103 |
| Deuteranopia (no green cones) | #374769 | 0.092 |
| Tritanopia (no blue cones) | #643949 | 0.067 |
| Achromatopsia (no color) | #454545 | 0.110 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63316B
#63316B
oklch(40.3% 0.11 321.9)
- #1E5619
#1E5619
oklch(40.2% 0.109 142)
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 #63316B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.070
- Dark Slate Blue #483D8B ΔE 0.075
- Rich Purple #720058 ΔE 0.075
- Velvet #750851 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.076
- Purple Brown #673A3F ΔE 0.086
- Brownish Purple #76424E ΔE 0.087
- Purple #800080 ΔE 0.087
Use #63316B 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.