#631E76
Closest named color: Purple (#800080). oklch(38.5% 0.15 318), rgb(99, 30, 118).
Aa
White text reads best on this color (10.61:1).
About this color
#631E76 is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.150 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purple (#800080), ΔE 0.064 away. White text reads best on it, at 10.61:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.150) |
| Temperature | in between |
| Nearest name | Purple (#800080) |
| Black text | 1.97:1 |
| White text | 10.61:1 |
Values
| HEX | #631E76 |
| RGB | rgb(99, 30, 118) |
| HSL | hsl(287, 59%, 29%) |
| OKLCH | oklch(38.5% 0.15 318) |
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 #631E76 | 10.61:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #631E76 | 1.97:1 | Fails | Lc 10.2 | Not readable |
| #631E76 text on white | 10.61:1 | AAA | Lc 93.8 | Preferred for body text |
| #631E76 text on black | 1.97:1 | Fails | Lc -8.8 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F3E3F8
oklch(93.5% 0.033 318.1)
-
Step 200
200
#EBCDF4
oklch(88.5% 0.062 318.4)
-
Step 300
300
#DFA9F0
oklch(80.8% 0.113 317.9)
-
Step 400
400
#CE77E8
oklch(70.6% 0.181 318)
-
Step 500
500
#C04CE1
oklch(63.1% 0.23 317.9)
-
Step 600
600
#AC20CF
oklch(55.7% 0.251 318)
-
Step 700
700
#930AB3
oklch(49.1% 0.233 317.9)
-
Step 800
800
#781391
oklch(42.8% 0.193 318.1)
-
Step 900
900 (this color)
#631E76
oklch(38.5% 0.15 318)
-
Step 950
950
#391244
oklch(27% 0.096 318)
#631E76 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) | #003A78 | 0.145 |
| Deuteranopia (no green cones) | #224174 | 0.129 |
| Tritanopia (no blue cones) | #623048 | 0.095 |
| Achromatopsia (no color) | #3E3E3E | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #631E76
#631E76
oklch(38.5% 0.15 318)
- #1D5100
#1D5100
oklch(38.4% 0.119 138)
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 #631E76, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purple #800080 ΔE 0.064
- Rich Purple #720058 ΔE 0.065
- Grape Purple #5D1451 ΔE 0.065
- Rebecca Purple #663399 ΔE 0.069
- Royal Purple #4B006E ΔE 0.071
- Indigo #4B0082 ΔE 0.072
- Velvet #750851 ΔE 0.076
- Dark Slate Blue #483D8B ΔE 0.085
Use #631E76 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.