#9551C5
Closest named color: Amethyst (#9B5FC0). oklch(56.7% 0.179 308.8), rgb(149, 81, 197).
Aa
White text reads best on this color (4.92:1).
About this color
#9551C5 is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.179 and its hue 309°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.036 away. White text reads best on it, at 4.92:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.179) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.26:1 |
| White text | 4.92:1 |
Values
| HEX | #9551C5 |
| RGB | rgb(149, 81, 197) |
| HSL | hsl(275, 50%, 55%) |
| OKLCH | oklch(56.7% 0.179 308.8) |
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 #9551C5 | 4.92:1 | AA | Lc -79.1 | Fine for body text |
| Black text on #9551C5 | 4.26:1 | AA large text | Lc 30.4 | Non-text elements, placeholder text |
| #9551C5 text on white | 4.92:1 | AA | Lc 73.7 | Content text, not long reading |
| #9551C5 text on black | 4.26:1 | AA large text | Lc -28.0 | 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
#E2D2F0
oklch(88.6% 0.044 309.3)
-
Step 300
300
#D0B3E9
oklch(81% 0.081 309)
-
Step 400
400
#B889DE
oklch(70.7% 0.13 308.8)
-
Step 500
500
#A669D4
oklch(63.1% 0.165 308.7)
-
Step 600
600 (this color)
#9551C5
oklch(56.7% 0.179 308.8)
-
Step 700
700
#7C3EA7
oklch(49.2% 0.166 308.7)
-
Step 800
800
#653487
oklch(42.8% 0.138 309)
-
Step 900
900
#522E6C
oklch(37.6% 0.108 308.9)
-
Step 950
950
#301C3F
oklch(27% 0.067 309)
#9551C5 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) | #246EC9 | 0.153 |
| Deuteranopia (no green cones) | #4271C2 | 0.135 |
| Tritanopia (no blue cones) | #8E6783 | 0.127 |
| Achromatopsia (no color) | #707070 | 0.181 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9551C5
#9551C5
oklch(56.7% 0.179 308.8)
- #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 #9551C5, closest first.
No curated palette has a color within ΔE 0.04 of #9551C5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.036
- Deep Lavender #8D5EB7 ΔE 0.040
- Purply #983FB2 ΔE 0.043
- Purpley #8756E4 ΔE 0.054
- Dark Orchid #9932CC ΔE 0.055
- Deep Lilac #966EBD ΔE 0.071
- Light Indigo #6D5ACF ΔE 0.071
- Medium Orchid #BA55D3 ΔE 0.072
Use #9551C5 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.