#C66FE4
Closest named color: Light Purple (#BF77F6). oklch(68.4% 0.185 316.8), rgb(198, 111, 228).
Aa
Black text reads best on this color (6.79:1).
About this color
#C66FE4 is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.185 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Light Purple (#BF77F6), ΔE 0.031 away. Black text reads best on it, at 6.79:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.185) |
| Temperature | in between |
| Nearest name | Light Purple (#BF77F6) |
| Black text | 6.79:1 |
| White text | 3.09:1 |
Values
| HEX | #C66FE4 |
| RGB | rgb(198, 111, 228) |
| HSL | hsl(285, 68%, 66%) |
| OKLCH | oklch(68.4% 0.185 316.8) |
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 #C66FE4 | 3.09:1 | AA large text | Lc -62.8 | Content text, not long reading |
| Black text on #C66FE4 | 6.79:1 | AA | Lc 46.6 | Large or bold text, headings |
| #C66FE4 text on white | 3.09:1 | AA large text | Lc 57.5 | Large or bold text, headings |
| #C66FE4 text on black | 6.79:1 | AA | Lc -44.3 | 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 400.
-
Step 50
50
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F3E3F9
oklch(93.5% 0.034 316.9)
-
Step 200
200
#EBCDF6
oklch(88.6% 0.064 317)
-
Step 300
300
#DFA9F2
oklch(80.9% 0.116 317.1)
-
Step 400
400 (this color)
#C66FE4
oklch(68.4% 0.185 316.8)
-
Step 500
500
#C04AE5
oklch(63.2% 0.236 317)
-
Step 600
600
#AB1AD3
oklch(55.5% 0.257 316.8)
-
Step 700
700
#9300B7
oklch(49.1% 0.24 316.9)
-
Step 800
800
#770E94
oklch(42.6% 0.198 316.7)
-
Step 900
900
#601A76
oklch(37.7% 0.154 316.6)
-
Step 950
950
#391245
oklch(27.1% 0.097 317.3)
#C66FE4 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) | #578DE8 | 0.165 |
| Deuteranopia (no green cones) | #7295E1 | 0.147 |
| Tritanopia (no blue cones) | #C5819F | 0.122 |
| Achromatopsia (no color) | #939393 | 0.187 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66FE4
#C66FE4
oklch(68.4% 0.185 316.8)
- #5CB22C
#5CB22C
oklch(68.4% 0.185 136.9)
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 #C66FE4, closest first.
No curated palette has a color within ΔE 0.04 of #C66FE4.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Purple #BF77F6 ΔE 0.031
- Easter Purple #C071FE ΔE 0.040
- Orchid #DA70D6 ΔE 0.042
- Light Urple #B36FF6 ΔE 0.043
- Bright Lilac #C95EFB ΔE 0.051
- Bright Lavender #C760FF ΔE 0.053
- Medium Orchid #BA55D3 ΔE 0.061
- Heliotrope #D94FF5 ΔE 0.070
Use #C66FE4 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.