#9E51B2
Closest named color: Amethyst (#9B5FC0). oklch(56.7% 0.163 319), rgb(158, 81, 178).
Aa
White text reads best on this color (4.91:1).
About this color
#9E51B2 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.163 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.034 away. White text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #9E51B2 |
| RGB | rgb(158, 81, 178) |
| HSL | hsl(288, 39%, 51%) |
| OKLCH | oklch(56.7% 0.163 319) |
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 #9E51B2 | 4.91:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #9E51B2 | 4.27:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #9E51B2 text on white | 4.91:1 | AA | Lc 73.6 | Content text, not long reading |
| #9E51B2 text on black | 4.27:1 | AA large text | Lc -28.1 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E5D1EB
oklch(88.5% 0.041 318.4)
-
Step 300
300
#D5B2DF
oklch(80.9% 0.073 318.6)
-
Step 400
400
#C088CF
oklch(70.7% 0.118 319)
-
Step 500
500
#AF68C2
oklch(63% 0.15 318.9)
-
Step 600
600 (this color)
#9E51B2
oklch(56.7% 0.163 319)
-
Step 700
700
#843E96
oklch(49.1% 0.151 319)
-
Step 800
800
#6B347A
oklch(42.7% 0.125 318.6)
-
Step 900
900
#572E62
oklch(37.7% 0.098 318.8)
-
Step 950
950
#331B39
oklch(26.9% 0.062 319.4)
#9E51B2 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) | #3E6BB5 | 0.150 |
| Deuteranopia (no green cones) | #5773AF | 0.133 |
| Tritanopia (no blue cones) | #9E5F7A | 0.102 |
| Achromatopsia (no color) | #717171 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9E51B2
#9E51B2
oklch(56.7% 0.163 319)
- #3B8C1D
#3B8C1D
oklch(56.8% 0.163 139)
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 #9E51B2, closest first.
No curated palette has a color within ΔE 0.04 of #9E51B2.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.034
- Deep Lavender #8D5EB7 ΔE 0.039
- Purply #983FB2 ΔE 0.040
- Deep Lilac #966EBD ΔE 0.066
- Medium Orchid #BA55D3 ΔE 0.071
- Soft Purple #A66FB5 ΔE 0.073
- Dark Orchid #9932CC ΔE 0.074
- Dark Lilac #9C6DA5 ΔE 0.074
Use #9E51B2 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.