#A638DD#A638DD

#A638DD is a mid, highly saturated purple. Relative luminance 0.162; OKLCH L 57.5% C 0.240 H 311.4°. Best body text is #FFFFFF at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#A638DD
RGB	rgb(166, 56, 221)
HSL	hsl(280, 71%, 54%)
HSV	hsv(280, 75%, 87%)
CMYK	cmyk(24.9%, 74.7%, 0%, 13.3%)
CIE-LAB	lab(47.18, 68.82, -63.62)
CIE-LCH	lch(47.18, 93.72, 317.25°)
OKLab	oklab(57.55% 0.159 -0.1801)
OKLCH	oklch(57.55% 0.24 311.4)
XYZ	xyz(30.1887, 16.1566, 69.9208)
Luminance	0.1616 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A638DD #6FDD38

analogous

#5438DD #A638DD #DD38C2

triadic

#A638DD #DDA638 #38DDA6

tetradic

#A638DD #DD5438 #6FDD38 #38C2DD

square

#A638DD #DD5438 #6FDD38 #38C2DD

split-complementary

#A638DD #C2DD38 #38DD54

monochromatic

#601784 #851FB8 #A638DD #BD6CE6 #D5A1EF

Accessibility & contrast

On white

4.96

#A638DD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.23

#A638DD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A638DD

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A638DD	#FFFFFF	#000000	##FFFFFF
##A638DD	1.00	4.96	4.23	4.96
#FFFFFF	4.96	1.00	21.00	1.00
#000000	4.23	21.00	1.00	21.00
##FFFFFF	4.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006BE2

Deuteranopia (green-blind)

#1872DA

Tritanopia (blue-blind)

#9F5F89

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #a638dd;
/* rgb */ color: rgb(166, 56, 221);
/* oklch */ color: oklch(57.5% 0.240 311.4);

Tailwind

colors: {
  custom: {
    50: '#c57ae8',
    500: '#a638dd',
    950: '#000000',
  },
}

SCSS

$custom: #a638dd;
$custom-light: #c57ae8;
$custom-dark: #000000;

JSON

{
  "hex": "#a638dd",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 221
  },
  "hsl": {
    "h": 280,
    "s": 70.815,
    "l": 54.314
  },
  "oklch": {
    "l": 0.57547,
    "c": 0.24027,
    "h": 311.4
  },
  "luminance": 0.16156
}

Semantic roles & 50–950 ramp

primary

#A638DD

secondary

#ADDB95

accent

#EE3A76

background

#FCF7FE

surface

#F9EEFD

border

#D2C9D5

text

#140A16

muted

#827C84

Preview Lab

Preview with #A638DD

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

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