#6437B5#6437B5

#6437B5 is a mid, vivid violet. Relative luminance 0.088; OKLCH L 46.5% C 0.187 H 294.3°. Best body text is #FFFFFF at 7.62:1 contrast (WCAG AA passes).

Color values

HEX	#6437B5
RGB	rgb(100, 55, 181)
HSL	hsl(261, 53%, 46%)
HSV	hsv(261, 70%, 71%)
CMYK	cmyk(44.8%, 69.6%, 0%, 29%)
CIE-LAB	lab(35.55, 47.75, -59.66)
CIE-LCH	lch(35.55, 76.42, 308.67°)
OKLab	oklab(46.54% 0.0771 -0.1707)
OKLCH	oklch(46.54% 0.187 294.3)
XYZ	xyz(14.9599, 8.7775, 44.6131)
Luminance	0.0878 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Bluey Purple

#6241C7

ΔE00 3.67

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6437B5 #88B537

analogous

#3749B5 #6437B5 #A337B5

triadic

#6437B5 #B56437 #37B564

tetradic

#6437B5 #B53749 #88B537 #37B5A3

square

#6437B5 #B53749 #88B537 #37B5A3

split-complementary

#6437B5 #B5A337 #49B537

monochromatic

#301A57 #4A2986 #6437B5 #845CCD #A88BDC

Accessibility & contrast

On white

7.62

#6437B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#6437B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437B5

7.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6437B5	#FFFFFF	#000000	##FFFFFF
##6437B5	1.00	7.62	2.76	7.62
#FFFFFF	7.62	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0055B9

Deuteranopia (green-blind)

#0051B2

Tritanopia (blue-blind)

#4D5672

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #6437b5;
/* rgb */ color: rgb(100, 55, 181);
/* oklch */ color: oklch(46.5% 0.187 294.3);

Tailwind

colors: {
  custom: {
    50: '#9771cc',
    500: '#6437b5',
    950: '#000000',
  },
}

SCSS

$custom: #6437b5;
$custom-light: #9771cc;
$custom-dark: #000000;

JSON

{
  "hex": "#6437b5",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 181
  },
  "hsl": {
    "h": 261.429,
    "s": 53.39,
    "l": 46.275
  },
  "oklch": {
    "l": 0.46544,
    "c": 0.18734,
    "h": 294.3
  },
  "luminance": 0.08778
}

Semantic roles & 50–950 ramp

primary

#6437B5

secondary

#AEC682

accent

#DD4BA9

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0813

muted

#7E7B82

Preview Lab

Preview with #6437B5

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

Preview Lab → · Contrast checker → · Palette generator →