#C66EE5
Closest named color: Light Purple (#BF77F6). oklch(68.3% 0.188 316.6), rgb(198, 110, 229).
Aa
Black text reads best on this color (6.76:1).
About this color
#C66EE5 is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.188 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 6.76:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Light Purple (#BF77F6) |
| Black text | 6.76:1 |
| White text | 3.10:1 |
Values
| HEX | #C66EE5 |
| RGB | rgb(198, 110, 229) |
| HSL | hsl(284, 70%, 66%) |
| OKLCH | oklch(68.3% 0.188 316.6) |
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 #C66EE5 | 3.10:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #C66EE5 | 6.76:1 | AA | Lc 46.4 | Large or bold text, headings |
| #C66EE5 text on white | 3.10:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #C66EE5 text on black | 6.76:1 | AA | Lc -44.1 | 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 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
#EBCCF6
oklch(88.4% 0.066 317.2)
-
Step 300
300
#DFA9F3
oklch(80.9% 0.117 316.7)
-
Step 400
400 (this color)
#C66EE5
oklch(68.3% 0.188 316.6)
-
Step 500
500
#C048E7
oklch(63.1% 0.24 316.6)
-
Step 600
600
#AC16D5
oklch(55.6% 0.261 316.7)
-
Step 700
700
#9300B8
oklch(49.2% 0.24 316.6)
-
Step 800
800
#780B95
oklch(42.7% 0.201 316.9)
-
Step 900
900
#611977
oklch(37.8% 0.156 316.8)
-
Step 950
950
#391146
oklch(27% 0.1 316.7)
#C66EE5 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) | #548DE9 | 0.169 |
| Deuteranopia (no green cones) | #7095E2 | 0.150 |
| Tritanopia (no blue cones) | #C5809F | 0.123 |
| Achromatopsia (no color) | #929292 | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66EE5
#C66EE5
oklch(68.3% 0.188 316.6)
- #5CB227
#5CB227
oklch(68.3% 0.188 136.5)
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 #C66EE5, closest first.
No curated palette has a color within ΔE 0.04 of #C66EE5.
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 0.038
- Light Urple #B36FF6 ΔE 0.042
- Orchid #DA70D6 ΔE 0.044
- Bright Lilac #C95EFB ΔE 0.048
- Bright Lavender #C760FF ΔE 0.050
- Medium Orchid #BA55D3 ΔE 0.060
- Heliotrope #D94FF5 ΔE 0.068
Use #C66EE5 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.