#C66ADA
Closest named color: Orchid (#DA70D6). oklch(67.2% 0.183 320.2), rgb(198, 106, 218).
Aa
Black text reads best on this color (6.47:1).
About this color
#C66ADA is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.183 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Orchid (#DA70D6), ΔE 0.041 away. Black text reads best on it, at 6.47:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.183) |
| Temperature | in between |
| Nearest name | Orchid (#DA70D6) |
| Black text | 6.47:1 |
| White text | 3.24:1 |
Values
| HEX | #C66ADA |
| RGB | rgb(198, 106, 218) |
| HSL | hsl(289, 60%, 64%) |
| OKLCH | oklch(67.2% 0.183 320.2) |
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 #C66ADA | 3.24:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #C66ADA | 6.47:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #C66ADA text on white | 3.24:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #C66ADA text on black | 6.47:1 | AA | Lc -42.4 | 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 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
#EDCCF4
oklch(88.5% 0.065 320.3)
-
Step 300
300
#E2A8EE
oklch(80.9% 0.115 320.5)
-
Step 400
400 (this color)
#C66ADA
oklch(67.2% 0.183 320.2)
-
Step 500
500
#C448DE
oklch(63% 0.234 320.2)
-
Step 600
600
#B018CC
oklch(55.7% 0.255 320.2)
-
Step 700
700
#9700B0
oklch(49.2% 0.236 320.3)
-
Step 800
800
#7B0D8F
oklch(42.8% 0.196 320.3)
-
Step 900
900
#631972
oklch(37.7% 0.153 320.2)
-
Step 950
950
#3A1143
oklch(27% 0.097 319.9)
#C66ADA 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) | #5688DE | 0.170 |
| Deuteranopia (no green cones) | #7392D7 | 0.150 |
| Tritanopia (no blue cones) | #C77A98 | 0.115 |
| Achromatopsia (no color) | #8F8F8F | 0.184 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C66ADA
#C66ADA
oklch(67.2% 0.183 320.2)
- #4DAF36
#4DAF36
oklch(67.1% 0.183 140.2)
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 #C66ADA, closest first.
No curated palette has a color within ΔE 0.04 of #C66ADA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Orchid #DA70D6 ΔE 0.041
- Light Purple #BF77F6 ΔE 0.047
- Medium Orchid #BA55D3 ΔE 0.050
- Light Urple #B36FF6 ΔE 0.053
- Easter Purple #C071FE ΔE 0.054
- Bright Lilac #C95EFB ΔE 0.057
- Bright Lavender #C760FF ΔE 0.061
- Pinky Purple #C94CBE ΔE 0.064
Use #C66ADA 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.