#C638EE
Closest named color: Hot Purple (#CB00F5). oklch(62.9% 0.265 317.4), rgb(198, 56, 238).
Aa
Black text reads best on this color (5.20:1).
About this color
#C638EE is a medium-light, vivid purple. In OKLCH its lightness is 63%, its chroma 0.265 and its hue 317°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Hot Purple (#CB00F5), ΔE 0.036 away. Black text reads best on it, at 5.20:1.
| Hue family | Purples |
| Lightness | medium-light (63%) |
| Chroma | vivid (0.265) |
| Temperature | in between |
| Nearest name | Hot Purple (#CB00F5) |
| Black text | 5.20:1 |
| White text | 4.03:1 |
Values
| HEX | #C638EE |
| RGB | rgb(198, 56, 238) |
| HSL | hsl(287, 84%, 58%) |
| OKLCH | oklch(62.9% 0.265 317.4) |
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 #C638EE | 4.03:1 | AA large text | Lc -71.8 | Content text, not long reading |
| Black text on #C638EE | 5.20:1 | AA | Lc 37.8 | Non-text elements, placeholder text |
| #C638EE text on white | 4.03:1 | AA large text | Lc 66.3 | Content text, not long reading |
| #C638EE text on black | 5.20:1 | AA | Lc -35.4 | 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 500.
-
Step 50
50
#FAF2FD
oklch(97% 0.017 316.9)
-
Step 100
100
#F5E3FB
oklch(93.7% 0.037 317.7)
-
Step 200
200
#EDCBF9
oklch(88.5% 0.072 317.2)
-
Step 300
300
#E3A5F7
oklch(80.8% 0.13 317.7)
-
Step 400
400
#D36FF3
oklch(70.7% 0.206 317.4)
-
Step 500
500 (this color)
#C638EE
oklch(62.9% 0.265 317.4)
-
Step 600
600
#AF00D7
oklch(55.7% 0.271 317.4)
-
Step 700
700
#9400B6
oklch(49.2% 0.239 317.5)
-
Step 800
800
#7A0096
oklch(42.7% 0.207 317.7)
-
Step 900
900
#640C7B
oklch(37.6% 0.173 317.4)
-
Step 950
950
#3B0D48
oklch(27% 0.109 317.6)
#C638EE 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) | #0076F3 | 0.247 |
| Deuteranopia (no green cones) | #3D83EA | 0.231 |
| Tritanopia (no blue cones) | #C46193 | 0.167 |
| Achromatopsia (no color) | #7E7E7E | 0.267 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #C638EE
#C638EE
oklch(62.9% 0.265 317.4)
- #45A200
#45A200
oklch(63% 0.193 137.5)
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 #C638EE, closest first.
No curated palette has a color within ΔE 0.04 of #C638EE.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Hot Purple #CB00F5 ΔE 0.036
- Purple Pink #D725DE ΔE 0.043
- Neon Purple #BC13FE ΔE 0.046
- Bright Purple #BE03FD ΔE 0.048
- Heliotrope #D94FF5 ΔE 0.052
- Bright Lilac #C95EFB ΔE 0.061
- Medium Orchid #BA55D3 ΔE 0.063
- Bright Lavender #C760FF ΔE 0.065
Use #C638EE 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.