#A638C4#A638C4

#A638C4 is a mid, highly saturated purple. Relative luminance 0.149; OKLCH L 55.9% C 0.218 H 318.1°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#A638C4
RGB	rgb(166, 56, 196)
HSL	hsl(287, 56%, 49%)
HSV	hsv(287, 71%, 77%)
CMYK	cmyk(15.3%, 71.4%, 0%, 23.1%)
CIE-LAB	lab(45.53, 63.90, -51.90)
CIE-LCH	lch(45.53, 82.32, 320.91°)
OKLab	oklab(55.85% 0.1622 -0.1457)
OKLCH	oklch(55.85% 0.218 318.1)
XYZ	xyz(27.1025, 14.9221, 53.6665)
Luminance	0.1492 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A638C4 #56C438

analogous

#6038C4 #A638C4 #C4389C

triadic

#A638C4 #C4A638 #38C4A6

tetradic

#A638C4 #C46038 #56C438 #389CC4

square

#A638C4 #C46038 #56C438 #389CC4

split-complementary

#A638C4 #9CC438 #38C460

monochromatic

#551D65 #7E2A94 #A638C4 #BC66D3 #D196E1

Accessibility & contrast

On white

5.27

#A638C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#A638C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A638C4

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A638C4	#FFFFFF	#000000	##FFFFFF
##A638C4	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065C8

Deuteranopia (green-blind)

#3E6FC1

Tritanopia (blue-blind)

#A5547B

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #a638c4;
/* rgb */ color: rgb(166, 56, 196);
/* oklch */ color: oklch(55.9% 0.218 318.1);

Tailwind

colors: {
  custom: {
    50: '#c479d6',
    500: '#a638c4',
    950: '#000000',
  },
}

SCSS

$custom: #a638c4;
$custom-light: #c479d6;
$custom-dark: #000000;

JSON

{
  "hex": "#a638c4",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 196
  },
  "hsl": {
    "h": 287.143,
    "s": 55.556,
    "l": 49.412
  },
  "oklch": {
    "l": 0.55851,
    "c": 0.21807,
    "h": 318.1
  },
  "luminance": 0.14921
}

Semantic roles & 50–950 ramp

primary

#A638C4

secondary

#99CC8C

accent

#DF4969

background

#FCF7FD

surface

#F8EEFA

border

#D1C9D3

text

#130A14

muted

#827C83

Preview Lab

Preview with #A638C4

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

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