#A251B7
Closest named color: Amethyst (#9B5FC0). oklch(57.5% 0.17 319), rgb(162, 81, 183).
Aa
White text reads best on this color (4.77:1).
About this color
#A251B7 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.170 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.032 away. White text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #A251B7 |
| RGB | rgb(162, 81, 183) |
| HSL | hsl(288, 41%, 52%) |
| OKLCH | oklch(57.5% 0.17 319) |
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 #A251B7 | 4.77:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #A251B7 | 4.39:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #A251B7 text on white | 4.77:1 | AA | Lc 72.7 | Content text, not long reading |
| #A251B7 text on black | 4.39:1 | AA large text | Lc -29.0 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F3
oklch(93.5% 0.022 319)
-
Step 200
200
#E6D1EB
oklch(88.6% 0.042 319.7)
-
Step 300
300
#D6B1E0
oklch(80.8% 0.076 319)
-
Step 400
400
#C187D1
oklch(70.7% 0.122 318.8)
-
Step 500
500
#B167C5
oklch(63.2% 0.156 318.8)
-
Step 600
600 (this color)
#A251B7
oklch(57.5% 0.17 319)
-
Step 700
700
#853C98
oklch(49.1% 0.157 318.9)
-
Step 800
800
#6C327B
oklch(42.6% 0.13 319)
-
Step 900
900
#582D63
oklch(37.7% 0.101 319.2)
-
Step 950
950
#341B3A
oklch(27.1% 0.064 319.6)
#A251B7 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) | #3C6DBA | 0.158 |
| Deuteranopia (no green cones) | #5775B4 | 0.139 |
| Tritanopia (no blue cones) | #A2607C | 0.107 |
| Achromatopsia (no color) | #737373 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A251B7
#A251B7
oklch(57.5% 0.17 319)
- #3A8F18
#3A8F18
oklch(57.5% 0.17 138.9)
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 #A251B7, closest first.
No curated palette has a color within ΔE 0.04 of #A251B7.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.032
- Purply #983FB2 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.044
- Medium Orchid #BA55D3 ΔE 0.061
- Deep Lilac #966EBD ΔE 0.067
- Dark Orchid #9932CC ΔE 0.071
- Soft Purple #A66FB5 ΔE 0.072
- Pinky Purple #C94CBE ΔE 0.073
Use #A251B7 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.