#63276C
Closest named color: Grape Purple (#5D1451). oklch(38.9% 0.128 322.3), rgb(99, 39, 108).
Aa
White text reads best on this color (10.30:1).
About this color
#63276C is a dark, moderately saturated purple. In OKLCH its lightness is 39%, its chroma 0.128 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 0.056 away. White text reads best on it, at 10.30:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.128) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.03:1 |
| White text | 10.30:1 |
Values
| HEX | #63276C |
| RGB | rgb(99, 39, 108) |
| HSL | hsl(292, 47%, 29%) |
| OKLCH | oklch(38.9% 0.128 322.3) |
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 #63276C | 10.30:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #63276C | 2.03:1 | Fails | Lc 10.6 | Not readable |
| #63276C text on white | 10.30:1 | AAA | Lc 93.4 | Preferred for body text |
| #63276C text on black | 2.03:1 | 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
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F5
oklch(93.6% 0.028 322.2)
-
Step 200
200
#EACEEE
oklch(88.4% 0.053 322)
-
Step 300
300
#DEACE5
oklch(80.8% 0.095 322.3)
-
Step 400
400
#CD7DD8
oklch(70.7% 0.154 322.6)
-
Step 500
500
#BE58CE
oklch(63.2% 0.195 322)
-
Step 600
600
#A937BA
oklch(55.5% 0.212 322.2)
-
Step 700
700
#9127A1
oklch(49.1% 0.198 322)
-
Step 800
800
#762382
oklch(42.7% 0.164 322.3)
-
Step 900
900 (this color)
#63276C
oklch(38.9% 0.128 322.3)
-
Step 950
950
#38163D
oklch(27% 0.081 322.4)
#63276C 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) | #193C6E | 0.126 |
| Deuteranopia (no green cones) | #30436A | 0.109 |
| Tritanopia (no blue cones) | #643145 | 0.077 |
| Achromatopsia (no color) | #404040 | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63276C
#63276C
oklch(38.9% 0.128 322.3)
- #085405
#085405
oklch(38.8% 0.127 142.3)
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 #63276C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.056
- Rich Purple #720058 ΔE 0.060
- Velvet #750851 ΔE 0.066
- Purple #800080 ΔE 0.075
- Rebecca Purple #663399 ΔE 0.077
- Dark Slate Blue #483D8B ΔE 0.082
- Royal Purple #4B006E ΔE 0.084
- Plum Purple #4E0550 ΔE 0.087
Use #63276C 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.