#63217A
Closest named color: Rebecca Purple (#663399). oklch(39.1% 0.15 315.9), rgb(99, 33, 122).
Aa
White text reads best on this color (10.34:1).
About this color
#63217A is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.150 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Rebecca Purple (#663399), ΔE 0.061 away. White text reads best on it, at 10.34:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Rebecca Purple (#663399) |
| Black text | 2.02:1 |
| White text | 10.34:1 |
Values
| HEX | #63217A |
| RGB | rgb(99, 33, 122) |
| HSL | hsl(284, 57%, 30%) |
| OKLCH | oklch(39.1% 0.15 315.9) |
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 #63217A | 10.34:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #63217A | 2.02:1 | Fails | Lc 10.7 | Not readable |
| #63217A text on white | 10.34:1 | AAA | Lc 93.2 | Preferred for body text |
| #63217A text on black | 2.02:1 | Fails | Lc -9.3 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F3E4F9
oklch(93.7% 0.032 316.4)
-
Step 200
200
#EACDF6
oklch(88.5% 0.063 316)
-
Step 300
300
#DDAAF2
oklch(80.9% 0.113 315.8)
-
Step 400
400
#CB78EB
oklch(70.6% 0.181 315.9)
-
Step 500
500
#BD4DE5
oklch(63.1% 0.231 315.8)
-
Step 600
600
#A923D3
oklch(55.7% 0.251 315.9)
-
Step 700
700
#910EB6
oklch(49.1% 0.233 316.2)
-
Step 800
800
#751594
oklch(42.7% 0.193 315.6)
-
Step 900
900 (this color)
#63217A
oklch(39.1% 0.15 315.9)
-
Step 950
950
#381345
oklch(27.1% 0.095 316.1)
#63217A 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) | #003C7D | 0.142 |
| Deuteranopia (no green cones) | #204278 | 0.127 |
| Tritanopia (no blue cones) | #61334B | 0.097 |
| Achromatopsia (no color) | #404040 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #63217A
#63217A
oklch(39.1% 0.15 315.9)
- #255200
#255200
oklch(39.1% 0.116 135.8)
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 #63217A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Rebecca Purple #663399 ΔE 0.061
- Purple #800080 ΔE 0.064
- Rich Purple #720058 ΔE 0.072
- Indigo #4B0082 ΔE 0.072
- Grape Purple #5D1451 ΔE 0.072
- Royal Purple #4B006E ΔE 0.075
- Dark Slate Blue #483D8B ΔE 0.079
- Velvet #750851 ΔE 0.082
Use #63217A 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.