#C66DE5
Closest named color: Light Purple (#BF77F6). oklch(68.2% 0.19 316.7), rgb(198, 109, 229).
Aa
Black text reads best on this color (6.72:1).
About this color
#C66DE5 is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.190 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 0.032 away. Black text reads best on it, at 6.72:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.190) |
| Temperature | in between |
| Nearest name | Light Purple (#BF77F6) |
| Black text | 6.72:1 |
| White text | 3.12:1 |
Values
| HEX | #C66DE5 |
| RGB | rgb(198, 109, 229) |
| HSL | hsl(285, 70%, 66%) |
| OKLCH | oklch(68.2% 0.19 316.7) |
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 #C66DE5 | 3.12:1 | AA large text | Lc -63.3 | Content text, not long reading |
| Black text on #C66DE5 | 6.72:1 | AA | Lc 46.2 | Large or bold text, headings |
| #C66DE5 text on white | 3.12:1 | AA large text | Lc 57.9 | Large or bold text, headings |
| #C66DE5 text on black | 6.72:1 | AA | Lc -43.9 | 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
#F3E3FA
oklch(93.5% 0.035 315.7)
-
Step 200
200
#EBCCF7
oklch(88.5% 0.067 316.5)
-
Step 300
300
#DFA8F4
oklch(80.8% 0.12 316.4)
-
Step 400
400 (this color)
#C66DE5
oklch(68.2% 0.19 316.7)
-
Step 500
500
#C147E8
oklch(63.2% 0.243 316.7)
-
Step 600
600
#AC13D6
oklch(55.6% 0.263 316.5)
-
Step 700
700
#9300B7
oklch(49.1% 0.24 316.9)
-
Step 800
800
#780996
oklch(42.7% 0.203 316.6)
-
Step 900
900
#611877
oklch(37.7% 0.157 316.9)
-
Step 950
950
#391146
oklch(27% 0.1 316.7)
#C66DE5 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) | #538CE9 | 0.170 |
| Deuteranopia (no green cones) | #6F94E2 | 0.151 |
| Tritanopia (no blue cones) | #C57F9F | 0.123 |
| Achromatopsia (no color) | #929292 | 0.191 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66DE5
#C66DE5
oklch(68.2% 0.19 316.7)
- #5AB225
#5AB225
oklch(68.2% 0.19 136.8)
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 #C66DE5, closest first.
No curated palette has a color within ΔE 0.04 of #C66DE5.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Purple #BF77F6 ΔE 0.032
- Easter Purple #C071FE ΔE 0.038
- Light Urple #B36FF6 ΔE 0.042
- Orchid #DA70D6 ΔE 0.045
- Bright Lilac #C95EFB ΔE 0.047
- Bright Lavender #C760FF ΔE 0.049
- Medium Orchid #BA55D3 ΔE 0.058
- Heliotrope #D94FF5 ΔE 0.066
Use #C66DE5 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.