#630F79
Closest named color: Royal Purple (#4B006E). oklch(37.5% 0.168 317.6), rgb(99, 15, 121).
Aa
White text reads best on this color (11.20:1).
About this color
#630F79 is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.168 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Royal Purple (#4B006E), ΔE 0.060 away. White text reads best on it, at 11.20:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Royal Purple (#4B006E) |
| Black text | 1.87:1 |
| White text | 11.20:1 |
Values
| HEX | #630F79 |
| RGB | rgb(99, 15, 121) |
| HSL | hsl(288, 78%, 27%) |
| OKLCH | oklch(37.5% 0.168 317.6) |
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 #630F79 | 11.20:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #630F79 | 1.87:1 | Fails | Lc 9.4 | Not readable |
| #630F79 text on white | 11.20:1 | AAA | Lc 94.5 | Preferred for body text |
| #630F79 text on black | 1.87:1 | Fails | Lc -8.1 | 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
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F4E3FA
oklch(93.6% 0.036 317.3)
-
Step 200
200
#EDCBF8
oklch(88.5% 0.071 317.8)
-
Step 300
300
#E2A6F6
oklch(80.8% 0.127 317.5)
-
Step 400
400
#D370F1
oklch(70.7% 0.203 317.8)
-
Step 500
500
#C53DEC
oklch(63.1% 0.258 317.4)
-
Step 600
600
#AF00D6
oklch(55.6% 0.27 317.7)
-
Step 700
700
#9400B5
oklch(49.1% 0.238 317.8)
-
Step 800
800
#7A0096
oklch(42.7% 0.207 317.7)
-
Step 900
900 (this color)
#630F79
oklch(37.5% 0.168 317.6)
-
Step 950
950
#3B0E47
oklch(27.1% 0.106 318.2)
#630F79 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) | #00367C | 0.154 |
| Deuteranopia (no green cones) | #133D77 | 0.148 |
| Tritanopia (no blue cones) | #622A46 | 0.106 |
| Achromatopsia (no color) | #3B3B3B | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #630F79
#630F79
oklch(37.5% 0.168 317.6)
- #1D4E00
#1D4E00
oklch(37.5% 0.115 137.6)
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 #630F79, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Royal Purple #4B006E ΔE 0.060
- Indigo #4B0082 ΔE 0.061
- Purple #800080 ΔE 0.062
- Rich Purple #720058 ΔE 0.068
- Grape Purple #5D1451 ΔE 0.070
- Rebecca Purple #663399 ΔE 0.078
- Velvet #750851 ΔE 0.083
- Plum Purple #4E0550 ΔE 0.084
Use #630F79 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.