#A551AF
Closest named color: Amethyst (#9B5FC0). oklch(57.4% 0.163 323.3), rgb(165, 81, 175).
Aa
White text reads best on this color (4.77:1).
About this color
#A551AF is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.163 and its hue 323°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.039 away. White text reads best on it, at 4.77:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.39:1 |
| White text | 4.77:1 |
Values
| HEX | #A551AF |
| RGB | rgb(165, 81, 175) |
| HSL | hsl(294, 37%, 50%) |
| OKLCH | oklch(57.4% 0.163 323.3) |
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 #A551AF | 4.77:1 | AA | Lc -78.1 | Fine for body text |
| Black text on #A551AF | 4.39:1 | AA large text | Lc 31.4 | Non-text elements, placeholder text |
| #A551AF text on white | 4.77:1 | AA | Lc 72.7 | Content text, not long reading |
| #A551AF text on black | 4.39:1 | AA large text | Lc -29.0 | 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
#F9F3F9
oklch(97% 0.01 325.7)
-
Step 100
100
#F1E5F2
oklch(93.5% 0.022 323.4)
-
Step 200
200
#E7D1E9
oklch(88.6% 0.04 323.3)
-
Step 300
300
#D8B1DC
oklch(80.8% 0.073 323.2)
-
Step 400
400
#C487CB
oklch(70.7% 0.117 323.1)
-
Step 500
500
#B467BD
oklch(63.2% 0.149 323.2)
-
Step 600
600 (this color)
#A551AF
oklch(57.4% 0.163 323.3)
-
Step 700
700
#883C91
oklch(49.1% 0.152 323.3)
-
Step 800
800
#6F3276
oklch(42.7% 0.127 323.4)
-
Step 900
900
#5A2D5F
oklch(37.7% 0.098 323.5)
-
Step 950
950
#351B38
oklch(27.1% 0.062 323.3)
#A551AF 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) | #436CB2 | 0.157 |
| Deuteranopia (no green cones) | #5E76AC | 0.138 |
| Tritanopia (no blue cones) | #A85D78 | 0.098 |
| Achromatopsia (no color) | #727272 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A551AF
#A551AF
oklch(57.4% 0.163 323.3)
- #2C902D
#2C902D
oklch(57.5% 0.164 143.2)
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 #A551AF, closest first.
No curated palette has a color within ΔE 0.04 of #A551AF.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.039
- Purply #983FB2 ΔE 0.048
- Deep Lavender #8D5EB7 ΔE 0.049
- Medium Orchid #BA55D3 ΔE 0.066
- Deep Lilac #966EBD ΔE 0.068
- Soft Purple #A66FB5 ΔE 0.068
- Pinky Purple #C94CBE ΔE 0.070
- Dark Lilac #9C6DA5 ΔE 0.071
Use #A551AF 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.