#A640CE
Closest named color: Dark Orchid (#9932CC). oklch(57.3% 0.218 314.8), rgb(166, 64, 206).
Aa
White text reads best on this color (4.94:1).
About this color
#A640CE is a medium-dark, vivid purple. In OKLCH its lightness is 57%, its chroma 0.218 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Orchid (#9932CC), ΔE 0.036 away. White text reads best on it, at 4.94:1.
| Hue family | Purples |
| Lightness | medium-dark (57%) |
| Chroma | vivid (0.218) |
| Temperature | in between |
| Nearest name | Dark Orchid (#9932CC) |
| Black text | 4.24:1 |
| White text | 4.94:1 |
Values
| HEX | #A640CE |
| RGB | rgb(166, 64, 206) |
| HSL | hsl(283, 59%, 53%) |
| OKLCH | oklch(57.3% 0.218 314.8) |
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 #A640CE | 4.94:1 | AA | Lc -78.8 | Fine for body text |
| Black text on #A640CE | 4.24:1 | AA large text | Lc 30.7 | Non-text elements, placeholder text |
| #A640CE text on white | 4.94:1 | AA | Lc 73.4 | Content text, not long reading |
| #A640CE text on black | 4.24:1 | AA large text | Lc -28.3 | 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
#F9F3FC
oklch(97.1% 0.013 314.8)
-
Step 100
100
#F1E5F7
oklch(93.7% 0.027 314.7)
-
Step 200
200
#E7CFF2
oklch(88.5% 0.054 315.3)
-
Step 300
300
#D8AEED
oklch(80.9% 0.098 314.2)
-
Step 400
400
#C580E3
oklch(70.8% 0.156 315)
-
Step 500
500
#B55ADB
oklch(63% 0.201 314.7)
-
Step 600
600 (this color)
#A640CE
oklch(57.3% 0.218 314.8)
-
Step 700
700
#892AAD
oklch(49% 0.202 314.7)
-
Step 800
800
#70268C
oklch(42.8% 0.167 315)
-
Step 900
900
#5A2570
oklch(37.6% 0.131 314.5)
-
Step 950
950
#351742
oklch(27% 0.083 314.5)
#A640CE 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) | #006AD2 | 0.203 |
| Deuteranopia (no green cones) | #3B73CB | 0.182 |
| Tritanopia (no blue cones) | #A35D82 | 0.143 |
| Achromatopsia (no color) | #707070 | 0.219 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A640CE
#A640CE
oklch(57.3% 0.218 314.8)
- #498C00
#498C00
oklch(57.3% 0.166 134.7)
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 #A640CE, closest first.
No curated palette has a color within ΔE 0.04 of #A640CE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Orchid #9932CC ΔE 0.036
- Purply #983FB2 ΔE 0.049
- Medium Orchid #BA55D3 ΔE 0.057
- Vibrant Purple #AD03DE ΔE 0.058
- Amethyst #9B5FC0 ΔE 0.068
- Lighter Purple #A55AF4 ΔE 0.071
- Purpley #8756E4 ΔE 0.074
- Blue Violet #8A2BE2 ΔE 0.075
Use #A640CE 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.