#C66DDD
Closest named color: Orchid (#DA70D6). oklch(67.7% 0.181 319.1), rgb(198, 109, 221).
Aa
Black text reads best on this color (6.63:1).
About this color
#C66DDD is a medium-light, vivid purple. In OKLCH its lightness is 68%, its chroma 0.181 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Orchid (#DA70D6), ΔE 0.039 away. Black text reads best on it, at 6.63:1.
| Hue family | Purples |
| Lightness | medium-light (68%) |
| Chroma | vivid (0.181) |
| Temperature | in between |
| Nearest name | Orchid (#DA70D6) |
| Black text | 6.63:1 |
| White text | 3.16:1 |
Values
| HEX | #C66DDD |
| RGB | rgb(198, 109, 221) |
| HSL | hsl(288, 62%, 65%) |
| OKLCH | oklch(67.7% 0.181 319.1) |
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 #C66DDD | 3.16:1 | AA large text | Lc -63.8 | Content text, not long reading |
| Black text on #C66DDD | 6.63:1 | AA | Lc 45.7 | Large or bold text, headings |
| #C66DDD text on white | 3.16:1 | AA large text | Lc 58.4 | Large or bold text, headings |
| #C66DDD text on black | 6.63:1 | AA | Lc -43.3 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F4E3F8
oklch(93.6% 0.033 319.8)
-
Step 200
200
#ECCCF4
oklch(88.4% 0.064 319.5)
-
Step 300
300
#E0A9EF
oklch(80.9% 0.113 318.9)
-
Step 400
400 (this color)
#C66DDD
oklch(67.7% 0.181 319.1)
-
Step 500
500
#C24ADF
oklch(63% 0.232 319.2)
-
Step 600
600
#AE1DCD
oklch(55.7% 0.252 319.2)
-
Step 700
700
#9505B1
oklch(49.1% 0.234 319.2)
-
Step 800
800
#791090
oklch(42.7% 0.195 319)
-
Step 900
900
#621A73
oklch(37.7% 0.152 319.1)
-
Step 950
950
#391243
oklch(27% 0.095 318.8)
#C66DDD 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) | #598BE1 | 0.165 |
| Deuteranopia (no green cones) | #7494DA | 0.147 |
| Tritanopia (no blue cones) | #C77D9B | 0.116 |
| Achromatopsia (no color) | #919191 | 0.183 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66DDD
#C66DDD
oklch(67.7% 0.181 319.1)
- #54B136
#54B136
oklch(67.9% 0.182 139.1)
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 #C66DDD, closest first.
No curated palette has a color within ΔE 0.04 of #C66DDD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orchid #DA70D6 ΔE 0.039
- Light Purple #BF77F6 ΔE 0.041
- Easter Purple #C071FE ΔE 0.050
- Light Urple #B36FF6 ΔE 0.050
- Medium Orchid #BA55D3 ΔE 0.056
- Bright Lilac #C95EFB ΔE 0.057
- Bright Lavender #C760FF ΔE 0.060
- Pinky Purple #C94CBE ΔE 0.071
Use #C66DDD 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.