#9151C9
Closest named color: Amethyst (#9B5FC0). oklch(56.5% 0.183 306), rgb(145, 81, 201).
Aa
White text reads best on this color (4.97:1).
About this color
#9151C9 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.183 and its hue 306°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.042 away. White text reads best on it, at 4.97:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.22:1 |
| White text | 4.97:1 |
Values
| HEX | #9151C9 |
| RGB | rgb(145, 81, 201) |
| HSL | hsl(272, 53%, 55%) |
| OKLCH | oklch(56.5% 0.183 306) |
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 #9151C9 | 4.97:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #9151C9 | 4.22:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #9151C9 text on white | 4.97:1 | AA | Lc 73.9 | Content text, not long reading |
| #9151C9 text on black | 4.22:1 | AA large text | Lc -27.8 | 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F7
oklch(93.6% 0.024 307)
-
Step 200
200
#E0D2F2
oklch(88.5% 0.046 305.2)
-
Step 300
300
#CEB3EB
oklch(80.9% 0.083 306.5)
-
Step 400
400
#B58AE1
oklch(70.7% 0.131 306.1)
-
Step 500
500
#A36AD9
oklch(63.2% 0.168 305.9)
-
Step 600
600 (this color)
#9151C9
oklch(56.5% 0.183 306)
-
Step 700
700
#793EAB
oklch(49.1% 0.17 306)
-
Step 800
800
#62348B
oklch(42.7% 0.141 305.6)
-
Step 900
900
#502F6F
oklch(37.8% 0.109 305.6)
-
Step 950
950
#2F1C41
oklch(27% 0.07 306)
#9151C9 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) | #1A6ECD | 0.151 |
| Deuteranopia (no green cones) | #3A70C6 | 0.135 |
| Tritanopia (no blue cones) | #886985 | 0.133 |
| Achromatopsia (no color) | #707070 | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9151C9
#9151C9
oklch(56.5% 0.183 306)
- #618400
#618400
oklch(56.6% 0.144 126)
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 #9151C9, closest first.
No curated palette has a color within ΔE 0.04 of #9151C9.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.042
- Deep Lavender #8D5EB7 ΔE 0.043
- Purpley #8756E4 ΔE 0.046
- Purply #983FB2 ΔE 0.048
- Dark Orchid #9932CC ΔE 0.054
- Light Indigo #6D5ACF ΔE 0.063
- Slate Blue #6A5ACD ΔE 0.067
- Medium Purple #9370DB ΔE 0.072
Use #9151C9 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.