#C366DA
Closest named color: Medium Orchid (#BA55D3). oklch(66.3% 0.188 319.4), rgb(195, 102, 218).
Aa
Black text reads best on this color (6.23:1).
About this color
#C366DA is a medium-light, vivid purple. In OKLCH its lightness is 66%, its chroma 0.188 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.040 away. Black text reads best on it, at 6.23:1.
| Hue family | Purples |
| Lightness | medium-light (66%) |
| Chroma | vivid (0.188) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 6.23:1 |
| White text | 3.36:1 |
Values
| HEX | #C366DA |
| RGB | rgb(195, 102, 218) |
| HSL | hsl(288, 61%, 63%) |
| OKLCH | oklch(66.3% 0.188 319.4) |
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 #C366DA | 3.36:1 | AA large text | Lc -66.1 | Content text, not long reading |
| Black text on #C366DA | 6.23:1 | AA | Lc 43.4 | Non-text elements, placeholder text |
| #C366DA text on white | 3.36:1 | AA large text | Lc 60.7 | Content text, not long reading |
| #C366DA text on black | 6.23:1 | AA | Lc -41.0 | 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
#F2E5F5
oklch(93.7% 0.025 319.9)
-
Step 200
200
#E8CFEF
oklch(88.5% 0.051 318.8)
-
Step 300
300
#DBAEE6
oklch(80.9% 0.091 319.6)
-
Step 400
400
#C880DA
oklch(70.7% 0.148 319.4)
-
Step 500
500 (this color)
#C366DA
oklch(66.3% 0.188 319.4)
-
Step 600
600
#A43DBC
oklch(55.6% 0.204 319.5)
-
Step 700
700
#8C2EA2
oklch(49.1% 0.189 319.3)
-
Step 800
800
#722884
oklch(42.7% 0.157 319.1)
-
Step 900
900
#5C266A
oklch(37.6% 0.123 318.9)
-
Step 950
950
#36173E
oklch(26.9% 0.079 319)
#C366DA 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) | #5086DE | 0.174 |
| Deuteranopia (no green cones) | #6E8FD7 | 0.154 |
| Tritanopia (no blue cones) | #C47797 | 0.118 |
| Achromatopsia (no color) | #8C8C8C | 0.189 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C366DA
#C366DA
oklch(66.3% 0.188 319.4)
- #4AAD2B
#4AAD2B
oklch(66.3% 0.188 139.5)
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 #C366DA, closest first.
No curated palette has a color within ΔE 0.04 of #C366DA.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.040
- Light Purple #BF77F6 ΔE 0.050
- Orchid #DA70D6 ΔE 0.050
- Light Urple #B36FF6 ΔE 0.051
- Bright Lilac #C95EFB ΔE 0.054
- Easter Purple #C071FE ΔE 0.055
- Bright Lavender #C760FF ΔE 0.058
- Pinky Purple #C94CBE ΔE 0.059
Use #C366DA 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.