#A451BE
Closest named color: Amethyst (#9B5FC0). oklch(58.1% 0.178 317.5), rgb(164, 81, 190).
Aa
White text reads best on this color (4.66:1).
About this color
#A451BE is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.178 and its hue 317°. 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 4.66:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.178) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.49:1 |
| White text | 4.66:1 |
Values
| HEX | #A451BE |
| RGB | rgb(164, 81, 190) |
| HSL | hsl(286, 46%, 53%) |
| OKLCH | oklch(58.1% 0.178 317.5) |
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 #A451BE | 4.66:1 | AA | Lc -77.4 | Fine for body text |
| Black text on #A451BE | 4.49:1 | AA large text | Lc 32.2 | Non-text elements, placeholder text |
| #A451BE text on white | 4.66:1 | AA | Lc 71.9 | Content text, not long reading |
| #A451BE text on black | 4.49:1 | AA large text | Lc -29.8 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E5F4
oklch(93.5% 0.023 317.1)
-
Step 200
200
#E6D1ED
oklch(88.6% 0.044 317.7)
-
Step 300
300
#D6B1E3
oklch(80.9% 0.08 317.2)
-
Step 400
400
#C186D5
oklch(70.7% 0.128 317.3)
-
Step 500
500
#B165C9
oklch(63.1% 0.163 317.6)
-
Step 600
600 (this color)
#A451BE
oklch(58.1% 0.178 317.5)
-
Step 700
700
#853A9D
oklch(49.1% 0.165 317.1)
-
Step 800
800
#6C317F
oklch(42.7% 0.136 317.2)
-
Step 900
900
#582C66
oklch(37.7% 0.107 317.4)
-
Step 950
950
#341A3C
oklch(27% 0.069 317.8)
#A451BE 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) | #376FC1 | 0.165 |
| Deuteranopia (no green cones) | #5577BB | 0.145 |
| Tritanopia (no blue cones) | #A36380 | 0.115 |
| Achromatopsia (no color) | #747474 | 0.179 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A451BE
#A451BE
oklch(58.1% 0.178 317.5)
- #3D9100
#3D9100
oklch(58.1% 0.178 137.5)
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 #A451BE, closest first.
No curated palette has a color within ΔE 0.04 of #A451BE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.032
- Purply #983FB2 ΔE 0.046
- Deep Lavender #8D5EB7 ΔE 0.049
- Medium Orchid #BA55D3 ΔE 0.051
- Dark Orchid #9932CC ΔE 0.067
- Deep Lilac #966EBD ΔE 0.068
- Pinky Purple #C94CBE ΔE 0.068
- Purpley Pink #C83CB9 ΔE 0.071
Use #A451BE 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.