#A631BB
Closest named color: Purply (#983FB2). oklch(54.6% 0.218 321), rgb(166, 49, 187).
Aa
White text reads best on this color (5.55:1).
About this color
#A631BB is a medium-dark, vivid purple. In OKLCH its lightness is 55%, its chroma 0.218 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Purply (#983FB2), ΔE 0.035 away. White text reads best on it, at 5.55:1.
| Hue family | Purples |
| Lightness | medium-dark (55%) |
| Chroma | vivid (0.218) |
| Temperature | in between |
| Nearest name | Purply (#983FB2) |
| Black text | 3.77:1 |
| White text | 5.55:1 |
Values
| HEX | #A631BB |
| RGB | rgb(166, 49, 187) |
| HSL | hsl(291, 58%, 46%) |
| OKLCH | oklch(54.6% 0.218 321) |
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 #A631BB | 5.55:1 | AA | Lc -82.0 | Fine for body text |
| Black text on #A631BB | 3.77:1 | AA large text | Lc 27.4 | Dividers and decoration only |
| #A631BB text on white | 5.55:1 | AA | Lc 76.6 | Fine for body text |
| #A631BB text on black | 3.77:1 | AA large text | Lc -25.1 | Dividers and decoration only |
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 600.
-
Step 50
50
#FAF3FB
oklch(97.2% 0.013 321.9)
-
Step 100
100
#F3E4F6
oklch(93.6% 0.029 320.6)
-
Step 200
200
#EACEEF
oklch(88.5% 0.054 321.1)
-
Step 300
300
#DEACE7
oklch(80.9% 0.098 321.2)
-
Step 400
400
#CC7DDB
oklch(70.7% 0.156 321)
-
Step 500
500
#BE56D1
oklch(63.1% 0.201 321.2)
-
Step 600
600 (this color)
#A631BB
oklch(54.6% 0.218 321)
-
Step 700
700
#9125A4
oklch(49.1% 0.203 321.1)
-
Step 800
800
#762285
oklch(42.8% 0.168 321.1)
-
Step 900
900
#5F236B
oklch(37.7% 0.131 320.6)
-
Step 950
950
#38163E
oklch(27% 0.082 321.4)
#A631BB 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) | #0060BF | 0.218 |
| Deuteranopia (no green cones) | #416CB8 | 0.190 |
| Tritanopia (no blue cones) | #A74C74 | 0.132 |
| Achromatopsia (no color) | #686868 | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A631BB
#A631BB
oklch(54.6% 0.218 321)
- #1D8800
#1D8800
oklch(54.7% 0.18 141)
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 #A631BB, closest first.
No curated palette has a color within ΔE 0.04 of #A631BB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Purply #983FB2 ΔE 0.035
- Dark Orchid #9932CC ΔE 0.038
- Vibrant Purple #AD03DE ΔE 0.063
- Dark Violet #9400D3 ΔE 0.071
- Purpley Pink #C83CB9 ΔE 0.073
- Warm Purple #952E8F ΔE 0.075
- Medium Orchid #BA55D3 ΔE 0.081
- Amethyst #9B5FC0 ΔE 0.085
Use #A631BB 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.