#663063
Closest named color: Grape Purple (#5D1451). oklch(40.1% 0.105 329.4), rgb(102, 48, 99).
Aa
White text reads best on this color (9.68:1).
About this color
#663063 is a dark, moderately saturated purple. In OKLCH its lightness is 40%, its chroma 0.105 and its hue 329°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Grape Purple (#5D1451), ΔE 0.065 away. White text reads best on it, at 9.68:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.105) |
| Temperature | in between |
| Nearest name | Grape Purple (#5D1451) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #663063 |
| RGB | rgb(102, 48, 99) |
| HSL | hsl(303, 36%, 29%) |
| OKLCH | oklch(40.1% 0.105 329.4) |
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 #663063 | 9.68:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #663063 | 2.16:1 | Fails | Lc 11.9 | Not readable |
| #663063 text on white | 9.68:1 | AAA | Lc 92.1 | Preferred for body text |
| #663063 text on black | 2.16:1 | Fails | Lc -10.3 | 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
#F3E5F1
oklch(93.6% 0.022 330.3)
-
Step 200
200
#EACFE7
oklch(88.4% 0.044 329.5)
-
Step 300
300
#DEAFD9
oklch(80.9% 0.078 329.8)
-
Step 400
400
#CC83C6
oklch(70.7% 0.125 329.7)
-
Step 500
500
#BD61B8
oklch(63.1% 0.16 329.3)
-
Step 600
600
#A844A4
oklch(55.6% 0.175 329.2)
-
Step 700
700
#90358C
oklch(49.1% 0.162 329.5)
-
Step 800
800
#752D72
oklch(42.7% 0.135 329.3)
-
Step 900
900 (this color)
#663063
oklch(40.1% 0.105 329.4)
-
Step 950
950
#381936
oklch(27.1% 0.067 329.6)
#663063 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) | #2D4065 | 0.104 |
| Deuteranopia (no green cones) | #3C4761 | 0.093 |
| Tritanopia (no blue cones) | #693545 | 0.057 |
| Achromatopsia (no color) | #444444 | 0.106 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #663063
#663063
oklch(40.1% 0.105 329.4)
- #0D5726
#0D5726
oklch(40.2% 0.105 149.3)
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 #663063, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Grape Purple #5D1451 ΔE 0.065
- Velvet #750851 ΔE 0.066
- Rich Purple #720058 ΔE 0.068
- Purple Brown #673A3F ΔE 0.074
- Brownish Purple #76424E ΔE 0.077
- Red Purple #820747 ΔE 0.082
- Dark Slate Blue #483D8B ΔE 0.088
- Wine #80013F ΔE 0.088
Use #663063 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.