#A663EC
Closest named color: Lighter Purple (#A55AF4). oklch(63.6% 0.201 303.8), rgb(166, 99, 236).
Aa
Black text reads best on this color (5.61:1).
About this color
#A663EC is a medium-light, vivid purple. In OKLCH its lightness is 64%, its chroma 0.201 and its hue 304°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lighter Purple (#A55AF4), ΔE 0.023 away. Black text reads best on it, at 5.61:1.
| Hue family | Purples |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.201) |
| Temperature | in between |
| Nearest name | Lighter Purple (#A55AF4) |
| Black text | 5.61:1 |
| White text | 3.73:1 |
Values
| HEX | #A663EC |
| RGB | rgb(166, 99, 236) |
| HSL | hsl(269, 78%, 66%) |
| OKLCH | oklch(63.6% 0.201 303.8) |
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 #A663EC | 3.73:1 | AA large text | Lc -70.0 | Content text, not long reading |
| Black text on #A663EC | 5.61:1 | AA | Lc 39.6 | Non-text elements, placeholder text |
| #A663EC text on white | 3.73:1 | AA large text | Lc 64.5 | Content text, not long reading |
| #A663EC text on black | 5.61:1 | AA | Lc -37.2 | 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
#F7F3FD
oklch(97% 0.014 304.1)
-
Step 100
100
#EEE6FA
oklch(93.7% 0.028 303.9)
-
Step 200
200
#E1D1F7
oklch(88.6% 0.054 304.4)
-
Step 300
300
#CEB1F5
oklch(80.9% 0.099 303.8)
-
Step 400
400
#B685F0
oklch(70.7% 0.158 303.8)
-
Step 500
500 (this color)
#A663EC
oklch(63.6% 0.201 303.8)
-
Step 600
600
#9042D8
oklch(55.5% 0.219 303.8)
-
Step 700
700
#7B32BC
oklch(49.1% 0.204 303.7)
-
Step 800
800
#642C98
oklch(42.8% 0.168 303.7)
-
Step 900
900
#512979
oklch(37.6% 0.132 303.7)
-
Step 950
950
#2F1947
oklch(26.9% 0.084 303.3)
#A663EC 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) | #2482F0 | 0.160 |
| Deuteranopia (no green cones) | #4384E9 | 0.144 |
| Tritanopia (no blue cones) | #997E9E | 0.148 |
| Achromatopsia (no color) | #848484 | 0.203 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A663EC
#A663EC
oklch(63.6% 0.201 303.8)
- #789A00
#789A00
oklch(63.7% 0.158 123.9)
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 #A663EC, closest first.
No curated palette has a color within ΔE 0.04 of #A663EC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lighter Purple #A55AF4 ΔE 0.023
- Light Urple #B36FF6 ΔE 0.037
- Medium Purple #9370DB ΔE 0.049
- Medium Orchid #BA55D3 ΔE 0.055
- Easter Purple #C071FE ΔE 0.060
- Bright Lavender #C760FF ΔE 0.063
- Purpley #8756E4 ΔE 0.064
- Bright Lilac #C95EFB ΔE 0.065
Use #A663EC 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.