#A637C3#A637C3

#A637C3 is a mid, highly saturated purple. Relative luminance 0.148; OKLCH L 55.7% C 0.218 H 318.4°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#A637C3
RGB	rgb(166, 55, 195)
HSL	hsl(288, 56%, 49%)
HSV	hsv(288, 72%, 76%)
CMYK	cmyk(14.9%, 71.8%, 0%, 23.5%)
CIE-LAB	lab(45.33, 64.08, -51.63)
CIE-LCH	lch(45.33, 82.29, 321.14°)
OKLab	oklab(55.69% 0.1633 -0.1449)
OKLCH	oklch(55.69% 0.218 318.4)
XYZ	xyz(26.9410, 14.7807, 53.0530)
Luminance	0.1478 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637C3 #54C337

analogous

#6037C3 #A637C3 #C3379A

triadic

#A637C3 #C3A637 #37C3A6

tetradic

#A637C3 #C36037 #54C337 #379AC3

square

#A637C3 #C36037 #54C337 #379AC3

split-complementary

#A637C3 #9AC337 #37C360

monochromatic

#551C64 #7D2A93 #A637C3 #BC64D3 #D194E1

Accessibility & contrast

On white

5.31

#A637C3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#A637C3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637C3

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637C3	#FFFFFF	#000000	##FFFFFF
##A637C3	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064C7

Deuteranopia (green-blind)

#3E6FC0

Tritanopia (blue-blind)

#A5537A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #a637c3;
/* rgb */ color: rgb(166, 55, 195);
/* oklch */ color: oklch(55.7% 0.218 318.4);

Tailwind

colors: {
  custom: {
    50: '#c478d6',
    500: '#a637c3',
    950: '#000000',
  },
}

SCSS

$custom: #a637c3;
$custom-light: #c478d6;
$custom-dark: #000000;

JSON

{
  "hex": "#a637c3",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 195
  },
  "hsl": {
    "h": 287.571,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.55693,
    "c": 0.21833,
    "h": 318.4
  },
  "luminance": 0.14779
}

Semantic roles & 50–950 ramp

primary

#A637C3

secondary

#98CC8A

accent

#DF4968

background

#FCF7FD

surface

#F8EEFA

border

#D1C9D3

text

#130A14

muted

#827C83

Preview Lab

Preview with #A637C3

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

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