#C646DD
Closest named color: Medium Orchid (#BA55D3). oklch(63.1% 0.236 321.2), rgb(198, 70, 221).
Aa
Black text reads best on this color (5.32:1).
About this color
#C646DD is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.236 and its hue 321°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Medium Orchid (#BA55D3), ΔE 0.035 away. Black text reads best on it, at 5.32:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.236) |
| Temperature | in between |
| Nearest name | Medium Orchid (#BA55D3) |
| Black text | 5.32:1 |
| White text | 3.94:1 |
Values
| HEX | #C646DD |
| RGB | rgb(198, 70, 221) |
| HSL | hsl(291, 69%, 57%) |
| OKLCH | oklch(63.1% 0.236 321.2) |
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 #C646DD | 3.94:1 | AA large text | Lc -71.4 | Content text, not long reading |
| Black text on #C646DD | 5.32:1 | AA | Lc 38.2 | Non-text elements, placeholder text |
| #C646DD text on white | 3.94:1 | AA large text | Lc 65.9 | Content text, not long reading |
| #C646DD text on black | 5.32:1 | AA | Lc -35.8 | 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
#FAF2FC
oklch(97% 0.016 319.4)
-
Step 100
100
#F5E3F8
oklch(93.6% 0.034 321.4)
-
Step 200
200
#EDCCF3
oklch(88.5% 0.063 321.1)
-
Step 300
300
#E3A8EE
oklch(81% 0.115 321.1)
-
Step 400
400
#D374E5
oklch(70.6% 0.185 321.1)
-
Step 500
500 (this color)
#C646DD
oklch(63.1% 0.236 321.2)
-
Step 600
600
#B213CB
oklch(55.7% 0.257 321.2)
-
Step 700
700
#9800AE
oklch(49.2% 0.235 321.2)
-
Step 800
800
#7C098E
oklch(42.7% 0.198 321.2)
-
Step 900
900
#641771
oklch(37.6% 0.154 321.4)
-
Step 950
950
#3B1142
oklch(27.1% 0.097 321.7)
#C646DD 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) | #0877E1 | 0.241 |
| Deuteranopia (no green cones) | #5785D9 | 0.205 |
| Tritanopia (no blue cones) | #C8618D | 0.143 |
| Achromatopsia (no color) | #808080 | 0.238 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C646DD
#C646DD
oklch(63.1% 0.236 321.2)
- #23A500
#23A500
oklch(62.9% 0.208 141.2)
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 #C646DD, closest first.
No curated palette has a color within ΔE 0.04 of #C646DD.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Medium Orchid #BA55D3 ΔE 0.035
- Purple Pink #D725DE ΔE 0.044
- Pinky Purple #C94CBE ΔE 0.051
- Heliotrope #D94FF5 ΔE 0.051
- Purpley Pink #C83CB9 ΔE 0.055
- Bright Lilac #C95EFB ΔE 0.058
- Bright Lavender #C760FF ΔE 0.064
- Hot Purple #CB00F5 ΔE 0.066
Use #C646DD 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.