#A663FB
Closest named color: Lighter Purple (#A55AF4). oklch(64.6% 0.218 300.7), rgb(166, 99, 251).
Aa
Black text reads best on this color (5.79:1).
About this color
#A663FB is a medium-light, vivid purple. In OKLCH its lightness is 65%, its chroma 0.218 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Lighter Purple (#A55AF4), ΔE 0.020 away. Black text reads best on it, at 5.79:1.
| Hue family | Purples |
| Lightness | medium-light (65%) |
| Chroma | vivid (0.218) |
| Temperature | in between |
| Nearest name | Lighter Purple (#A55AF4) |
| Black text | 5.79:1 |
| White text | 3.62:1 |
Values
| HEX | #A663FB |
| RGB | rgb(166, 99, 251) |
| HSL | hsl(266, 95%, 69%) |
| OKLCH | oklch(64.6% 0.218 300.7) |
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 #A663FB | 3.62:1 | AA large text | Lc -68.8 | Content text, not long reading |
| Black text on #A663FB | 5.79:1 | AA | Lc 40.8 | Non-text elements, placeholder text |
| #A663FB text on white | 3.62:1 | AA large text | Lc 63.3 | Content text, not long reading |
| #A663FB text on black | 5.79:1 | AA | Lc -38.4 | 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 500.
-
Step 50
50
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FC
oklch(93.7% 0.03 300.3)
-
Step 200
200
#DFD1FB
oklch(88.5% 0.059 300.4)
-
Step 300
300
#CCB1FB
oklch(81% 0.106 300.8)
-
Step 400
400
#B384F9
oklch(70.7% 0.17 300.7)
-
Step 500
500 (this color)
#A663FB
oklch(64.6% 0.218 300.7)
-
Step 600
600
#8E3DE5
oklch(55.7% 0.237 300.7)
-
Step 700
700
#792CC7
oklch(49.2% 0.221 300.8)
-
Step 800
800
#6227A1
oklch(42.7% 0.183 300.7)
-
Step 900
900
#502780
oklch(37.8% 0.143 300.8)
-
Step 950
950
#2E184B
oklch(26.9% 0.091 300.2)
#A663FB 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) | #0086FF | 0.167 |
| Deuteranopia (no green cones) | #2E85F8 | 0.155 |
| Tritanopia (no blue cones) | #9483A6 | 0.164 |
| Achromatopsia (no color) | #868686 | 0.220 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A663FB
#A663FB
oklch(64.6% 0.218 300.7)
- #819B00
#819B00
oklch(64.6% 0.155 120.9)
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 #A663FB, closest first.
No curated palette has a color within ΔE 0.04 of #A663FB.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Lighter Purple #A55AF4 ΔE 0.020
- Light Urple #B36FF6 ΔE 0.037
- Easter Purple #C071FE ΔE 0.056
- Bright Lavender #C760FF ΔE 0.058
- Bright Lilac #C95EFB ΔE 0.061
- Medium Purple #9370DB ΔE 0.064
- Light Purple #BF77F6 ΔE 0.065
- Purpley #8756E4 ΔE 0.070
Use #A663FB 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.