#A637B3#A637B3

#A637B3 is a mid, highly saturated purple. Relative luminance 0.141; OKLCH L 54.7% C 0.205 H 323.4°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#A637B3
RGB	rgb(166, 55, 179)
HSL	hsl(294, 53%, 46%)
HSV	hsv(294, 69%, 70%)
CMYK	cmyk(7.3%, 69.3%, 0%, 29.8%)
CIE-LAB	lab(44.37, 61.12, -43.81)
CIE-LCH	lch(44.37, 75.20, 324.36°)
OKLab	oklab(54.7% 0.1641 -0.1221)
OKLCH	oklch(54.7% 0.205 323.4)
XYZ	xyz(25.2280, 14.0955, 44.0310)
Luminance	0.1409 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A637B3 #44B337

analogous

#6837B3 #A637B3 #B33782

triadic

#A637B3 #B3A637 #37B3A6

tetradic

#A637B3 #B36837 #44B337 #3782B3

square

#A637B3 #B36837 #44B337 #3782B3

split-complementary

#A637B3 #82B337 #37B368

monochromatic

#4F1A55 #7B2984 #A637B3 #C15BCD #D28ADB

Accessibility & contrast

On white

5.50

#A637B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#A637B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A637B3

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A637B3	#FFFFFF	#000000	##FFFFFF
##A637B3	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1261B7

Deuteranopia (green-blind)

#4B6DB0

Tritanopia (blue-blind)

#A94C71

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #a637b3;
/* rgb */ color: rgb(166, 55, 179);
/* oklch */ color: oklch(54.7% 0.205 323.4);

Tailwind

colors: {
  custom: {
    50: '#c478ca',
    500: '#a637b3',
    950: '#000000',
  },
}

SCSS

$custom: #a637b3;
$custom-light: #c478ca;
$custom-dark: #000000;

JSON

{
  "hex": "#a637b3",
  "rgb": {
    "r": 166,
    "g": 55,
    "b": 179
  },
  "hsl": {
    "h": 293.71,
    "s": 52.991,
    "l": 45.882
  },
  "oklch": {
    "l": 0.54695,
    "c": 0.20454,
    "h": 323.4
  },
  "luminance": 0.14094
}

Semantic roles & 50–950 ramp

primary

#A637B3

secondary

#88C581

accent

#DC4B5B

background

#FCF7FC

surface

#F8EEF8

border

#D1C9D1

text

#130913

muted

#827B82

Preview Lab

Preview with #A637B3

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

Preview Lab → · Contrast checker → · Palette generator →