#A455BB
Closest named color: Amethyst (#9B5FC0). oklch(58.5% 0.168 318.1), rgb(164, 85, 187).
Aa
Black text reads best on this color (4.59:1).
About this color
#A455BB is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.168 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.026 away. Black text reads best on it, at 4.59:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.168) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.59:1 |
| White text | 4.56:1 |
Values
| HEX | #A455BB |
| RGB | rgb(164, 85, 187) |
| HSL | hsl(286, 43%, 53%) |
| OKLCH | oklch(58.5% 0.168 318.1) |
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 #A455BB | 4.56:1 | AA | Lc -76.8 | Fine for body text |
| Black text on #A455BB | 4.59:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #A455BB text on white | 4.56:1 | AA | Lc 71.3 | Content text, not long reading |
| #A455BB text on black | 4.59:1 | AA | Lc -30.4 | 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
#F8F3FA
oklch(97% 0.011 316.5)
-
Step 100
100
#F0E6F4
oklch(93.7% 0.021 316.5)
-
Step 200
200
#E5D1EC
oklch(88.5% 0.042 317.4)
-
Step 300
300
#D6B2E1
oklch(81% 0.076 318.2)
-
Step 400
400
#C087D1
oklch(70.6% 0.122 318.3)
-
Step 500
500
#B067C5
oklch(63.1% 0.155 318.4)
-
Step 600
600 (this color)
#A455BB
oklch(58.5% 0.168 318.1)
-
Step 700
700
#843C99
oklch(49% 0.158 318)
-
Step 800
800
#6B337C
oklch(42.7% 0.129 317.7)
-
Step 900
900
#572D64
oklch(37.6% 0.102 317.7)
-
Step 950
950
#331B3A
oklch(26.9% 0.064 318.3)
#A455BB 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) | #3F70BE | 0.155 |
| Deuteranopia (no green cones) | #5A78B8 | 0.136 |
| Tritanopia (no blue cones) | #A46580 | 0.109 |
| Achromatopsia (no color) | #767676 | 0.170 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A455BB
#A455BB
oklch(58.5% 0.168 318.1)
- #41911A
#41911A
oklch(58.4% 0.168 138)
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 #A455BB, closest first.
No curated palette has a color within ΔE 0.04 of #A455BB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.026
- Deep Lavender #8D5EB7 ΔE 0.044
- Purply #983FB2 ΔE 0.052
- Medium Orchid #BA55D3 ΔE 0.053
- Deep Lilac #966EBD ΔE 0.060
- Soft Purple #A66FB5 ΔE 0.064
- Pinky Purple #C94CBE ΔE 0.068
- Dark Lilac #9C6DA5 ΔE 0.073
Use #A455BB 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.