#9B51C0
Closest named color: Amethyst (#9B5FC0). oklch(57.1% 0.176 312.9), rgb(155, 81, 192).
Aa
White text reads best on this color (4.84:1).
About this color
#9B51C0 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.176 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.031 away. White text reads best on it, at 4.84:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.176) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.33:1 |
| White text | 4.84:1 |
Values
| HEX | #9B51C0 |
| RGB | rgb(155, 81, 192) |
| HSL | hsl(280, 47%, 54%) |
| OKLCH | oklch(57.1% 0.176 312.9) |
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 #9B51C0 | 4.84:1 | AA | Lc -78.6 | Fine for body text |
| Black text on #9B51C0 | 4.33:1 | AA large text | Lc 30.9 | Non-text elements, placeholder text |
| #9B51C0 text on white | 4.84:1 | AA | Lc 73.2 | Content text, not long reading |
| #9B51C0 text on black | 4.33:1 | AA large text | Lc -28.5 | 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
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E3D1EE
oklch(88.4% 0.044 312.8)
-
Step 300
300
#D3B2E6
oklch(80.9% 0.08 313)
-
Step 400
400
#BC88D9
oklch(70.7% 0.127 312.8)
-
Step 500
500
#AB68CE
oklch(63.1% 0.161 312.9)
-
Step 600
600 (this color)
#9B51C0
oklch(57.1% 0.176 312.9)
-
Step 700
700
#803CA1
oklch(49% 0.164 313)
-
Step 800
800
#683383
oklch(42.7% 0.136 312.6)
-
Step 900
900
#552E69
oklch(37.8% 0.105 312.9)
-
Step 950
950
#321B3D
oklch(27% 0.067 313.9)
#9B51C0 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) | #2F6EC4 | 0.157 |
| Deuteranopia (no green cones) | #4B73BD | 0.138 |
| Tritanopia (no blue cones) | #976481 | 0.118 |
| Achromatopsia (no color) | #717171 | 0.178 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9B51C0
#9B51C0
oklch(57.1% 0.176 312.9)
- #4F8A00
#4F8A00
oklch(57% 0.161 133)
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 #9B51C0, closest first.
No curated palette has a color within ΔE 0.04 of #9B51C0.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.031
- Deep Lavender #8D5EB7 ΔE 0.040
- Purply #983FB2 ΔE 0.040
- Dark Orchid #9932CC ΔE 0.060
- Medium Orchid #BA55D3 ΔE 0.064
- Purpley #8756E4 ΔE 0.066
- Deep Lilac #966EBD ΔE 0.068
- Medium Purple #9370DB ΔE 0.075
Use #9B51C0 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.