#A638B3#A638B3

#A638B3 is a mid, highly saturated purple. Relative luminance 0.142; OKLCH L 54.8% C 0.203 H 323.3°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#A638B3
RGB	rgb(166, 56, 179)
HSL	hsl(294, 52%, 46%)
HSV	hsv(294, 69%, 70%)
CMYK	cmyk(7.3%, 68.7%, 0%, 29.8%)
CIE-LAB	lab(44.51, 60.73, -43.59)
CIE-LCH	lch(44.51, 74.76, 324.33°)
OKLab	oklab(54.79% 0.1631 -0.1215)
OKLCH	oklch(54.79% 0.203 323.3)
XYZ	xyz(25.2760, 14.1915, 44.0470)
Luminance	0.1419 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A638B3 #45B338

analogous

#6938B3 #A638B3 #B33882

triadic

#A638B3 #B3A638 #38B3A6

tetradic

#A638B3 #B36938 #45B338 #3882B3

square

#A638B3 #B36938 #45B338 #3882B3

split-complementary

#A638B3 #82B338 #38B369

monochromatic

#501B56 #7B2984 #A638B3 #C05CCC #D28BDB

Accessibility & contrast

On white

5.47

#A638B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#A638B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A638B3

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A638B3	#FFFFFF	#000000	##FFFFFF
##A638B3	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1561B7

Deuteranopia (green-blind)

#4C6EB0

Tritanopia (blue-blind)

#A94D71

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #a638b3;
/* rgb */ color: rgb(166, 56, 179);
/* oklch */ color: oklch(54.8% 0.203 323.3);

Tailwind

colors: {
  custom: {
    50: '#c478ca',
    500: '#a638b3',
    950: '#000000',
  },
}

SCSS

$custom: #a638b3;
$custom-light: #c478ca;
$custom-dark: #000000;

JSON

{
  "hex": "#a638b3",
  "rgb": {
    "r": 166,
    "g": 56,
    "b": 179
  },
  "hsl": {
    "h": 293.659,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.54794,
    "c": 0.20333,
    "h": 323.3
  },
  "luminance": 0.1419
}

Semantic roles & 50–950 ramp

primary

#A638B3

secondary

#89C582

accent

#DC4C5B

background

#FCF7FC

surface

#F8EEF8

border

#D1C9D1

text

#130A13

muted

#827C82

Preview Lab

Preview with #A638B3

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

Preview Lab → · Contrast checker → · Palette generator →