#C666DC
Closest named color: Medium Orchid (#BA55D3). oklch(66.7% 0.191 319.9), rgb(198, 102, 220).
Aa
Black text reads best on this color (6.33:1).
About this color
#C666DC is a medium-light, vivid purple. In OKLCH its lightness is 67%, its chroma 0.191 and its hue 320°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.043 away. Black text reads best on it, at 6.33:1.
| Hue family | Purples |
| Lightness | medium-light (67%) |
| Chroma | vivid (0.191) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 6.33:1 |
| White text | 3.31:1 |
Values
| HEX | #C666DC |
| RGB | rgb(198, 102, 220) |
| HSL | hsl(289, 63%, 63%) |
| OKLCH | oklch(66.7% 0.191 319.9) |
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 #C666DC | 3.31:1 | AA large text | Lc -65.5 | Content text, not long reading |
| Black text on #C666DC | 6.33:1 | AA | Lc 44.0 | Non-text elements, placeholder text |
| #C666DC text on white | 3.31:1 | AA large text | Lc 60.1 | Content text, not long reading |
| #C666DC text on black | 6.33:1 | AA | Lc -41.6 | 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 500.
-
Step 50
50
#F9F3FB
oklch(97.1% 0.012 317.7)
-
Step 100
100
#F2E4F5
oklch(93.5% 0.027 320.2)
-
Step 200
200
#E9CFEF
oklch(88.6% 0.051 319.9)
-
Step 300
300
#DCADE7
oklch(80.9% 0.095 319.8)
-
Step 400
400
#C97FDA
oklch(70.6% 0.15 319.9)
-
Step 500
500 (this color)
#C666DC
oklch(66.7% 0.191 319.9)
-
Step 600
600
#A53BBD
oklch(55.6% 0.208 319.6)
-
Step 700
700
#8E2BA3
oklch(49.1% 0.194 320)
-
Step 800
800
#732684
oklch(42.7% 0.16 319.8)
-
Step 900
900
#5D256A
oklch(37.6% 0.125 319.6)
-
Step 950
950
#37173E
oklch(27% 0.079 320.2)
#C666DC 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) | #5086E0 | 0.178 |
| Deuteranopia (no green cones) | #6F91D9 | 0.158 |
| Tritanopia (no blue cones) | #C77798 | 0.119 |
| Achromatopsia (no color) | #8D8D8D | 0.193 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C666DC
#C666DC
oklch(66.7% 0.191 319.9)
- #48AF2B
#48AF2B
oklch(66.8% 0.192 139.8)
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 #C666DC, closest first.
No curated palette has a color within ΔE 0.04 of #C666DC.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.043
- Orchid #DA70D6 ΔE 0.046
- Light Purple #BF77F6 ΔE 0.049
- Bright Lilac #C95EFB ΔE 0.051
- Light Urple #B36FF6 ΔE 0.052
- Easter Purple #C071FE ΔE 0.053
- Bright Lavender #C760FF ΔE 0.055
- Pinky Purple #C94CBE ΔE 0.060
Use #C666DC 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.