#A638CB#A638CB

#A638CB is a mid, highly saturated purple. Relative luminance 0.152; OKLCH L 56.3% C 0.224 H 316.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#A638CB
RGB	rgb(166, 56, 203)
HSL	hsl(285, 59%, 51%)
HSV	hsv(285, 72%, 80%)
CMYK	cmyk(18.2%, 72.4%, 0%, 20.4%)
CIE-LAB	lab(45.97, 65.25, -55.24)
CIE-LCH	lch(45.97, 85.49, 319.75°)
OKLab	oklab(56.31% 0.1615 -0.1555)
OKLCH	oklch(56.31% 0.224 316.1)
XYZ	xyz(27.9179, 15.2482, 57.9609)
Luminance	0.1525 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A638CB #5DCB38

analogous

#5C38CB #A638CB #CB38A6

triadic

#A638CB #CBA638 #38CBA6

tetradic

#A638CB #CB5C38 #5DCB38 #38A6CB

square

#A638CB #CB5C38 #5DCB38 #38A6CB

split-complementary

#A638CB #A6CB38 #38CB5C

monochromatic

#581C6C #80299D #A638CB #BC69D8 #D199E4

Accessibility & contrast

On white

5.19

#A638CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#A638CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A638CB

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A638CB	#FFFFFF	#000000	##FFFFFF
##A638CB	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066CF

Deuteranopia (green-blind)

#3770C8

Tritanopia (blue-blind)

#A4577F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #a638cb;
/* rgb */ color: rgb(166, 56, 203);
/* oklch */ color: oklch(56.3% 0.224 316.1);

Tailwind

colors: {
  custom: {
    50: '#c579dc',
    500: '#a638cb',
    950: '#000000',
  },
}

SCSS

$custom: #a638cb;
$custom-light: #c579dc;
$custom-dark: #000000;

JSON

{
  "hex": "#a638cb",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 203
  },
  "hsl": {
    "h": 284.898,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5631,
    "c": 0.22424,
    "h": 316.1
  },
  "luminance": 0.15247
}

Semantic roles & 50–950 ramp

primary

#A638CB

secondary

#9FD08F

accent

#E2466D

background

#FCF7FD

surface

#F8EEFB

border

#D1C9D4

text

#130A15

muted

#827C83

Preview Lab

Preview with #A638CB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →