#A631CB
Closest named color: Dark Orchid (#9932CC). oklch(55.7% 0.232 316.5), rgb(166, 49, 203).
Aa
White text reads best on this color (5.35:1).
About this color
#A631CB is a medium-dark, vivid purple. In OKLCH its lightness is 56%, its chroma 0.232 and its hue 316°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.026 away. White text reads best on it, at 5.35:1.
| Hue family | Purples |
| Lightness | medium-dark (56%) |
| Chroma | vivid (0.232) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 3.92:1 |
| White text | 5.35:1 |
Values
| HEX | #A631CB |
| RGB | rgb(166, 49, 203) |
| HSL | hsl(286, 61%, 49%) |
| OKLCH | oklch(55.7% 0.232 316.5) |
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 #A631CB | 5.35:1 | AA | Lc -80.8 | Fine for body text |
| Black text on #A631CB | 3.92:1 | AA large text | Lc 28.6 | Dividers and decoration only |
| #A631CB text on white | 5.35:1 | AA | Lc 75.5 | Fine for body text |
| #A631CB text on black | 3.92:1 | AA large text | Lc -26.3 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F2E4F8
oklch(93.6% 0.031 315.9)
-
Step 200
200
#E9CEF3
oklch(88.5% 0.058 316.9)
-
Step 300
300
#DCACEE
oklch(81% 0.104 316.6)
-
Step 400
400
#C97CE5
oklch(70.7% 0.167 316.5)
-
Step 500
500
#BA54DD
oklch(63% 0.213 316.5)
-
Step 600
600 (this color)
#A631CB
oklch(55.7% 0.232 316.5)
-
Step 700
700
#8E20AF
oklch(49.1% 0.215 316.6)
-
Step 800
800
#731F8E
oklch(42.7% 0.178 316.3)
-
Step 900
900
#5D2171
oklch(37.6% 0.139 316.5)
-
Step 950
950
#371542
oklch(27% 0.088 317.1)
#A631CB 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) | #0064CF | 0.214 |
| Deuteranopia (no green cones) | #316EC8 | 0.199 |
| Tritanopia (no blue cones) | #A4537D | 0.147 |
| Achromatopsia (no color) | #6B6B6B | 0.233 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A631CB
#A631CB
oklch(55.7% 0.232 316.5)
- #3E8800
#3E8800
oklch(55.7% 0.167 136.5)
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 #A631CB, closest first.
No curated palette has a color within ΔE 0.04 of #A631CB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.026
- Vibrant Purple #AD03DE ΔE 0.043
- Purply #983FB2 ΔE 0.050
- Dark Violet #9400D3 ΔE 0.058
- Blue Violet #8A2BE2 ΔE 0.070
- Medium Orchid #BA55D3 ΔE 0.075
- Bright Violet #AD0AFD ΔE 0.080
- Electric Purple #AA23FF ΔE 0.080
Use #A631CB 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.