#63275B
Closest named color: Grape Purple (#5D1451). oklch(37.9% 0.111 333), rgb(99, 39, 91).
Aa
White text reads best on this color (10.65:1).
About this color
#63275B is a dark, moderately saturated purple. In OKLCH its lightness is 38%, its chroma 0.111 and its hue 333°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.041 away. White text reads best on it, at 10.65:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 1.97:1 |
| White text | 10.65:1 |
Values
| HEX | #63275B |
| RGB | rgb(99, 39, 91) |
| HSL | hsl(308, 43%, 27%) |
| OKLCH | oklch(37.9% 0.111 333) |
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 #63275B | 10.65:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #63275B | 1.97:1 | Fails | Lc 9.7 | Not readable |
| #63275B text on white | 10.65:1 | AAA | Lc 94.2 | Preferred for body text |
| #63275B text on black | 1.97:1 | 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
#FAF3F9
oklch(97.1% 0.011 330.1)
-
Step 100
100
#F4E4F1
oklch(93.5% 0.024 331.9)
-
Step 200
200
#EDCEE6
oklch(88.4% 0.047 333.8)
-
Step 300
300
#E2ADD8
oklch(80.9% 0.084 333)
-
Step 400
400
#D180C4
oklch(70.7% 0.132 332.9)
-
Step 500
500
#C35CB5
oklch(63.1% 0.17 332.8)
-
Step 600
600
#AE3EA1
oklch(55.6% 0.185 332.7)
-
Step 700
700
#962F89
oklch(49.2% 0.172 333.3)
-
Step 800
800
#7A2870
oklch(42.7% 0.144 333)
-
Step 900
900 (this color)
#63275B
oklch(37.9% 0.111 333)
-
Step 950
950
#3A1735
oklch(27% 0.071 333.1)
#63275B 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) | #25395D | 0.115 |
| Deuteranopia (no green cones) | #384159 | 0.100 |
| Tritanopia (no blue cones) | #672B3D | 0.057 |
| Achromatopsia (no color) | #3E3E3E | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63275B
#63275B
oklch(37.9% 0.111 333)
- #005027
#005027
oklch(37.8% 0.098 152.9)
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 #63275B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.041
- Velvet #750851 ΔE 0.052
- Rich Purple #720058 ΔE 0.054
- Merlot #730039 ΔE 0.073
- Red Purple #820747 ΔE 0.075
- Purple Brown #673A3F ΔE 0.079
- Wine #80013F ΔE 0.079
- Plum Purple #4E0550 ΔE 0.081
Use #63275B 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.