#9C51C3
Closest named color: Amethyst (#9B5FC0). oklch(57.4% 0.18 312.5), rgb(156, 81, 195).
Aa
White text reads best on this color (4.79:1).
About this color
#9C51C3 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.180 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.032 away. White text reads best on it, at 4.79:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.180) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.37:1 |
| White text | 4.79:1 |
Values
| HEX | #9C51C3 |
| RGB | rgb(156, 81, 195) |
| HSL | hsl(279, 49%, 54%) |
| OKLCH | oklch(57.4% 0.18 312.5) |
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 #9C51C3 | 4.79:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #9C51C3 | 4.37:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #9C51C3 text on white | 4.79:1 | AA | Lc 72.8 | Content text, not long reading |
| #9C51C3 text on black | 4.37:1 | AA large text | Lc -28.9 | 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
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D3B2E7
oklch(81% 0.081 312.5)
-
Step 400
400
#BC88DA
oklch(70.7% 0.128 312.5)
-
Step 500
500
#AB67D0
oklch(63.1% 0.165 312.5)
-
Step 600
600 (this color)
#9C51C3
oklch(57.4% 0.18 312.5)
-
Step 700
700
#803CA3
oklch(49.1% 0.166 312.3)
-
Step 800
800
#683284
oklch(42.7% 0.138 312.4)
-
Step 900
900
#552D6A
oklch(37.7% 0.108 312.6)
-
Step 950
950
#321B3E
oklch(27% 0.069 313)
#9C51C3 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) | #2C6EC7 | 0.160 |
| Deuteranopia (no green cones) | #4A74C0 | 0.141 |
| Tritanopia (no blue cones) | #986582 | 0.122 |
| Achromatopsia (no color) | #727272 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9C51C3
#9C51C3
oklch(57.4% 0.18 312.5)
- #518B00
#518B00
oklch(57.4% 0.161 132.6)
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 #9C51C3, closest first.
No curated palette has a color within ΔE 0.04 of #9C51C3.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.032
- Purply #983FB2 ΔE 0.043
- Deep Lavender #8D5EB7 ΔE 0.043
- Dark Orchid #9932CC ΔE 0.058
- Medium Orchid #BA55D3 ΔE 0.061
- Purpley #8756E4 ΔE 0.064
- Deep Lilac #966EBD ΔE 0.069
- Medium Purple #9370DB ΔE 0.073
Use #9C51C3 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.