#A455B6
Closest named color: Amethyst (#9B5FC0). oklch(58.2% 0.163 319.9), rgb(164, 85, 182).
Aa
White text reads best on this color (4.61:1).
About this color
#A455B6 is a medium-dark, vivid purple. In OKLCH its lightness is 58%, its chroma 0.163 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.028 away. White text reads best on it, at 4.61:1.
| Hue family | Purples |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.163) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 4.55:1 |
| White text | 4.61:1 |
Values
| HEX | #A455B6 |
| RGB | rgb(164, 85, 182) |
| HSL | hsl(289, 40%, 52%) |
| OKLCH | oklch(58.2% 0.163 319.9) |
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 #A455B6 | 4.61:1 | AA | Lc -77.1 | Fine for body text |
| Black text on #A455B6 | 4.55:1 | AA | Lc 32.5 | Non-text elements, placeholder text |
| #A455B6 text on white | 4.61:1 | AA | Lc 71.6 | Content text, not long reading |
| #A455B6 text on black | 4.55:1 | AA | Lc -30.1 | 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
#F0E6F3
oklch(93.7% 0.02 318.4)
-
Step 200
200
#E6D1EA
oklch(88.5% 0.041 320.8)
-
Step 300
300
#D6B2DF
oklch(80.9% 0.073 319.5)
-
Step 400
400
#C188CE
oklch(70.7% 0.117 320)
-
Step 500
500
#B168C1
oklch(63.1% 0.15 320.2)
-
Step 600
600 (this color)
#A455B6
oklch(58.2% 0.163 319.9)
-
Step 700
700
#853D95
oklch(49.1% 0.152 320)
-
Step 800
800
#6C3379
oklch(42.6% 0.126 319.9)
-
Step 900
900
#582E61
oklch(37.7% 0.097 320.3)
-
Step 950
950
#341B39
oklch(27% 0.063 320.8)
#A455B6 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) | #436FB9 | 0.152 |
| Deuteranopia (no green cones) | #5C78B3 | 0.135 |
| Tritanopia (no blue cones) | #A5637D | 0.103 |
| Achromatopsia (no color) | #757575 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A455B6
#A455B6
oklch(58.2% 0.163 319.9)
- #3C9126
#3C9126
oklch(58.3% 0.164 140)
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 #A455B6, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.028
- Deep Lavender #8D5EB7 ΔE 0.043
- Purply #983FB2 ΔE 0.052
- Medium Orchid #BA55D3 ΔE 0.058
- Deep Lilac #966EBD ΔE 0.059
- Soft Purple #A66FB5 ΔE 0.062
- Dark Lilac #9C6DA5 ΔE 0.068
- Pinky Purple #C94CBE ΔE 0.069
Use #A455B6 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.