#AB51BE
Closest named color: Amethyst (#9B5FC0). oklch(59% 0.181 320.4), rgb(171, 81, 190).
Aa
Black text reads best on this color (4.65:1).
About this color
#AB51BE is a medium-dark, vivid purple. In OKLCH its lightness is 59%, its chroma 0.181 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.038 away. Black text reads best on it, at 4.65:1.
| Hue family | Purples |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #AB51BE |
| RGB | rgb(171, 81, 190) |
| HSL | hsl(290, 46%, 53%) |
| OKLCH | oklch(59% 0.181 320.4) |
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 #AB51BE | 4.51:1 | AA | Lc -76.3 | Fine for body text |
| Black text on #AB51BE | 4.65:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #AB51BE text on white | 4.51:1 | AA | Lc 70.8 | Content text, not long reading |
| #AB51BE text on black | 4.65:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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
#F9F3FA
oklch(97.1% 0.011 321.3)
-
Step 100
100
#F1E5F4
oklch(93.6% 0.024 319.5)
-
Step 200
200
#E7D0EC
oklch(88.5% 0.045 320.2)
-
Step 300
300
#D9B0E1
oklch(80.9% 0.081 320.8)
-
Step 400
400
#C584D2
oklch(70.6% 0.131 320.8)
-
Step 500
500
#B563C6
oklch(63.1% 0.166 320.5)
-
Step 600
600 (this color)
#AB51BE
oklch(59% 0.181 320.4)
-
Step 700
700
#89379A
oklch(49.1% 0.168 320.4)
-
Step 800
800
#6F2F7D
oklch(42.7% 0.139 320.1)
-
Step 900
900
#5A2B64
oklch(37.7% 0.107 320.4)
-
Step 950
950
#351A3B
oklch(27.1% 0.068 320.1)
#AB51BE 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) | #3B70C1 | 0.173 |
| Deuteranopia (no green cones) | #5A7ABB | 0.152 |
| Tritanopia (no blue cones) | #AC6180 | 0.112 |
| Achromatopsia (no color) | #767676 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AB51BE
#AB51BE
oklch(59% 0.181 320.4)
- #319516
#319516
oklch(58.9% 0.181 140.4)
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 #AB51BE, closest first.
No curated palette has a color within ΔE 0.04 of #AB51BE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.038
- Medium Orchid #BA55D3 ΔE 0.042
- Purply #983FB2 ΔE 0.055
- Pinky Purple #C94CBE ΔE 0.055
- Deep Lavender #8D5EB7 ΔE 0.059
- Purpley Pink #C83CB9 ΔE 0.060
- Deep Lilac #966EBD ΔE 0.071
- Soft Purple #A66FB5 ΔE 0.072
Use #AB51BE 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.