#A251B3
Closest named color: Amethyst (#9B5FC0). oklch(57.2% 0.166 320.4), rgb(162, 81, 179).
Aa
White text reads best on this color (4.81:1).
About this color
#A251B3 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.166 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.035 away. White text reads best on it, at 4.81:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.166) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.36:1 |
| White text | 4.81:1 |
Values
| HEX | #A251B3 |
| RGB | rgb(162, 81, 179) |
| HSL | hsl(290, 39%, 51%) |
| OKLCH | oklch(57.2% 0.166 320.4) |
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 #A251B3 | 4.81:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #A251B3 | 4.36:1 | AA large text | Lc 31.2 | Non-text elements, placeholder text |
| #A251B3 text on white | 4.81:1 | AA | Lc 72.9 | Content text, not long reading |
| #A251B3 text on black | 4.36:1 | AA large text | Lc -28.8 | 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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F3
oklch(93.5% 0.023 321.4)
-
Step 200
200
#E6D1EA
oklch(88.5% 0.041 320.8)
-
Step 300
300
#D7B1DF
oklch(80.9% 0.076 320.4)
-
Step 400
400
#C287CE
oklch(70.7% 0.119 320.7)
-
Step 500
500
#B267C1
oklch(63.1% 0.152 320.8)
-
Step 600
600 (this color)
#A251B3
oklch(57.2% 0.166 320.4)
-
Step 700
700
#863C95
oklch(49.1% 0.154 320.6)
-
Step 800
800
#6D3379
oklch(42.8% 0.127 320.5)
-
Step 900
900
#582D62
oklch(37.6% 0.1 319.8)
-
Step 950
950
#341B39
oklch(27% 0.063 320.8)
#A251B3 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) | #3F6CB6 | 0.156 |
| Deuteranopia (no green cones) | #5975B0 | 0.138 |
| Tritanopia (no blue cones) | #A35F7A | 0.103 |
| Achromatopsia (no color) | #727272 | 0.167 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A251B3
#A251B3
oklch(57.2% 0.166 320.4)
- #368E22
#368E22
oklch(57.2% 0.165 140.4)
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 #A251B3, closest first.
No curated palette has a color within ΔE 0.04 of #A251B3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.035
- Purply #983FB2 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.044
- Medium Orchid #BA55D3 ΔE 0.065
- Deep Lilac #966EBD ΔE 0.067
- Soft Purple #A66FB5 ΔE 0.070
- Pinky Purple #C94CBE ΔE 0.073
- Dark Lilac #9C6DA5 ΔE 0.074
Use #A251B3 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.