#9C51BA
Closest named color: Amethyst (#9B5FC0). oklch(56.9% 0.17 315.3), rgb(156, 81, 186).
Aa
White text reads best on this color (4.88:1).
About this color
#9C51BA is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.170 and its hue 315°. 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 4.88:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.170) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.29:1 |
| White text | 4.88:1 |
Values
| HEX | #9C51BA |
| RGB | rgb(156, 81, 186) |
| HSL | hsl(283, 43%, 52%) |
| OKLCH | oklch(56.9% 0.17 315.3) |
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 #9C51BA | 4.88:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #9C51BA | 4.29:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #9C51BA text on white | 4.88:1 | AA | Lc 73.4 | Content text, not long reading |
| #9C51BA text on black | 4.29:1 | AA large text | Lc -28.3 | 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
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E4D1ED
oklch(88.5% 0.043 315)
-
Step 300
300
#D4B2E3
oklch(80.9% 0.077 315.4)
-
Step 400
400
#BE88D5
oklch(70.7% 0.123 315.4)
-
Step 500
500
#AD68C9
oklch(63.1% 0.157 315.5)
-
Step 600
600 (this color)
#9C51BA
oklch(56.9% 0.17 315.3)
-
Step 700
700
#823D9C
oklch(49.1% 0.158 315.7)
-
Step 800
800
#69337F
oklch(42.6% 0.132 315.1)
-
Step 900
900
#562E66
oklch(37.8% 0.102 315.5)
-
Step 950
950
#321B3C
oklch(26.9% 0.066 314.9)
#9C51BA 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) | #366DBD | 0.154 |
| Deuteranopia (no green cones) | #5073B7 | 0.136 |
| Tritanopia (no blue cones) | #9A627E | 0.112 |
| Achromatopsia (no color) | #717171 | 0.171 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9C51BA
#9C51BA
oklch(56.9% 0.17 315.3)
- #468B00
#468B00
oklch(56.9% 0.167 135.2)
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 #9C51BA, closest first.
No curated palette has a color within ΔE 0.04 of #9C51BA.
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 0.038
- Purply #983FB2 ΔE 0.038
- Dark Orchid #9932CC ΔE 0.065
- Deep Lilac #966EBD ΔE 0.066
- Medium Orchid #BA55D3 ΔE 0.066
- Purpley #8756E4 ΔE 0.075
- Soft Purple #A66FB5 ΔE 0.076
Use #9C51BA 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.