#A664CC
Closest named color: Amethyst (#9B5FC0). oklch(61.9% 0.164 311.8), rgb(166, 100, 204).
Aa
Black text reads best on this color (5.31:1).
About this color
#A664CC is a medium-dark, vivid purple. In OKLCH its lightness is 62%, its chroma 0.164 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Amethyst (#9B5FC0), ΔE 0.028 away. Black text reads best on it, at 5.31:1.
| Hue family | Purples |
| Lightness | medium-dark (62%) |
| Chroma | vivid (0.164) |
| Temperature | in between |
| Nearest name | Amethyst (#9B5FC0) |
| Black text | 5.31:1 |
| White text | 3.95:1 |
Values
| HEX | #A664CC |
| RGB | rgb(166, 100, 204) |
| HSL | hsl(278, 50%, 60%) |
| OKLCH | oklch(61.9% 0.164 311.8) |
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 #A664CC | 3.95:1 | AA large text | Lc -72.1 | Content text, not long reading |
| Black text on #A664CC | 5.31:1 | AA | Lc 37.5 | Non-text elements, placeholder text |
| #A664CC text on white | 3.95:1 | AA large text | Lc 66.6 | Content text, not long reading |
| #A664CC text on black | 5.31:1 | AA | Lc -35.1 | 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 500.
-
Step 50
50
#F8F3FB
oklch(97% 0.012 313.2)
-
Step 100
100
#EFE6F5
oklch(93.6% 0.022 312.2)
-
Step 200
200
#E3D1EF
oklch(88.4% 0.045 312)
-
Step 300
300
#D2B2E7
oklch(80.9% 0.081 311.8)
-
Step 400
400
#BB88DA
oklch(70.6% 0.128 311.9)
-
Step 500
500 (this color)
#A664CC
oklch(61.9% 0.164 311.8)
-
Step 600
600
#954CBD
oklch(55.5% 0.178 311.8)
-
Step 700
700
#7F3CA3
oklch(49% 0.166 311.8)
-
Step 800
800
#673384
oklch(42.7% 0.136 311.6)
-
Step 900
900
#542E6A
oklch(37.8% 0.106 311.6)
-
Step 950
950
#311B3E
oklch(26.9% 0.068 311.6)
#A664CC 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) | #4A7DD0 | 0.137 |
| Deuteranopia (no green cones) | #5E81C9 | 0.123 |
| Tritanopia (no blue cones) | #A2758F | 0.113 |
| Achromatopsia (no color) | #808080 | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A664CC
#A664CC
oklch(61.9% 0.164 311.8)
- #5F9916
#5F9916
oklch(61.9% 0.164 131.9)
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 #A664CC, closest first.
No curated palette has a color within ΔE 0.04 of #A664CC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Amethyst #9B5FC0 ΔE 0.028
- Deep Lilac #966EBD ΔE 0.043
- Medium Purple #9370DB ΔE 0.044
- Medium Orchid #BA55D3 ΔE 0.046
- Soft Purple #A66FB5 ΔE 0.048
- Deep Lavender #8D5EB7 ΔE 0.056
- Wisteria #A87DC2 ΔE 0.066
- Lighter Purple #A55AF4 ΔE 0.066
Use #A664CC 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.