#9551C6
Closest named color: Amethyst (#9B5FC0). oklch(56.8% 0.181 308.5), rgb(149, 81, 198).
Aa
White text reads best on this color (4.91:1).
About this color
#9551C6 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.181 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.037 away. White text reads best on it, at 4.91:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #9551C6 |
| RGB | rgb(149, 81, 198) |
| HSL | hsl(275, 51%, 55%) |
| OKLCH | oklch(56.8% 0.181 308.5) |
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 #9551C6 | 4.91:1 | AA | Lc -79.0 | Fine for body text |
| Black text on #9551C6 | 4.27:1 | AA large text | Lc 30.5 | Non-text elements, placeholder text |
| #9551C6 text on white | 4.91:1 | AA | Lc 73.6 | Content text, not long reading |
| #9551C6 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
#F7F4FB
oklch(97.1% 0.01 305.4)
-
Step 100
100
#EEE6F6
oklch(93.6% 0.023 308.2)
-
Step 200
200
#E2D2F1
oklch(88.6% 0.045 308.6)
-
Step 300
300
#D0B3E9
oklch(81% 0.081 309)
-
Step 400
400
#B889DE
oklch(70.7% 0.13 308.8)
-
Step 500
500
#A669D5
oklch(63.1% 0.166 308.5)
-
Step 600
600 (this color)
#9551C6
oklch(56.8% 0.181 308.5)
-
Step 700
700
#7C3DA8
oklch(49.1% 0.169 308.5)
-
Step 800
800
#653488
oklch(42.8% 0.139 308.6)
-
Step 900
900
#522E6D
oklch(37.7% 0.109 308.4)
-
Step 950
950
#301C40
oklch(27.1% 0.068 308.1)
#9551C6 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) | #236ECA | 0.154 |
| Deuteranopia (no green cones) | #4171C3 | 0.136 |
| Tritanopia (no blue cones) | #8E6784 | 0.127 |
| Achromatopsia (no color) | #707070 | 0.182 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9551C6
#9551C6
oklch(56.8% 0.181 308.5)
- #5B8600
#5B8600
oklch(56.7% 0.15 128.6)
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 #9551C6, closest first.
No curated palette has a color within ΔE 0.04 of #9551C6.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.037
- Deep Lavender #8D5EB7 ΔE 0.041
- Purply #983FB2 ΔE 0.044
- Purpley #8756E4 ΔE 0.053
- Dark Orchid #9932CC ΔE 0.055
- Light Indigo #6D5ACF ΔE 0.071
- Medium Orchid #BA55D3 ΔE 0.071
- Deep Lilac #966EBD ΔE 0.071
Use #9551C6 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.