#6437B4#6437B4

#6437B4 is a mid, vivid violet. Relative luminance 0.087; OKLCH L 46.5% C 0.186 H 294.5°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#6437B4
RGB	rgb(100, 55, 180)
HSL	hsl(262, 53%, 46%)
HSV	hsv(262, 69%, 71%)
CMYK	cmyk(44.4%, 69.4%, 0%, 29.4%)
CIE-LAB	lab(35.47, 47.48, -59.20)
CIE-LCH	lch(35.47, 75.89, 308.73°)
OKLab	oklab(46.46% 0.0773 -0.1694)
OKLCH	oklch(46.46% 0.186 294.5)
XYZ	xyz(14.8577, 8.7366, 44.0747)
Luminance	0.0874 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 3.79

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6437B4 #87B437

analogous

#3748B4 #6437B4 #A237B4

triadic

#6437B4 #B46437 #37B464

tetradic

#6437B4 #B43748 #87B437 #37B4A2

square

#6437B4 #B43748 #87B437 #37B4A2

split-complementary

#6437B4 #B4A237 #48B437

monochromatic

#301A56 #4A2985 #6437B4 #845BCD #A78ADB

Accessibility & contrast

On white

7.64

#6437B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#6437B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437B4

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6437B4	#FFFFFF	#000000	##FFFFFF
##6437B4	1.00	7.64	2.75	7.64
#FFFFFF	7.64	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B8

Deuteranopia (green-blind)

#0051B1

Tritanopia (blue-blind)

#4E5671

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #6437b4;
/* rgb */ color: rgb(100, 55, 180);
/* oklch */ color: oklch(46.5% 0.186 294.5);

Tailwind

colors: {
  custom: {
    50: '#9771cb',
    500: '#6437b4',
    950: '#000000',
  },
}

SCSS

$custom: #6437b4;
$custom-light: #9771cb;
$custom-dark: #000000;

JSON

{
  "hex": "#6437b4",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 180
  },
  "hsl": {
    "h": 261.6,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.46461,
    "c": 0.18617,
    "h": 294.5
  },
  "luminance": 0.08737
}

Semantic roles & 50–950 ramp

primary

#6437B4

secondary

#ADC681

accent

#DD4BA8

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #6437B4

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

Preview Lab → · Contrast checker → · Palette generator →