#6437BB#6437BB

#6437BB is a mid, vivid violet. Relative luminance 0.090; OKLCH L 47.0% C 0.194 H 293.0°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#6437BB
RGB	rgb(100, 55, 187)
HSL	hsl(260, 55%, 47%)
HSV	hsv(260, 71%, 73%)
CMYK	cmyk(46.5%, 70.6%, 0%, 26.7%)
CIE-LAB	lab(36.04, 49.38, -62.41)
CIE-LCH	lch(36.04, 79.58, 308.35°)
OKLab	oklab(47.04% 0.076 -0.1788)
OKLCH	oklch(47.04% 0.194 293)
XYZ	xyz(15.5889, 9.0291, 47.9255)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#6437BB #8EBB37

analogous

#374CBB #6437BB #A637BB

triadic

#6437BB #BB6437 #37BB64

tetradic

#6437BB #BB374C #8EBB37 #37BBA6

square

#6437BB #BB374C #8EBB37 #37BBA6

split-complementary

#6437BB #BBA637 #4CBB37

monochromatic

#311B5C #4B298C #6437BB #865FD0 #AA8EDE

Accessibility & contrast

On white

7.48

#6437BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#6437BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437BB

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6437BB	#FFFFFF	#000000	##FFFFFF
##6437BB	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056BF

Deuteranopia (green-blind)

#0052B8

Tritanopia (blue-blind)

#4A5975

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #6437bb;
/* rgb */ color: rgb(100, 55, 187);
/* oklch */ color: oklch(47.0% 0.194 293.0);

Tailwind

colors: {
  custom: {
    50: '#9871d0',
    500: '#6437bb',
    950: '#000000',
  },
}

SCSS

$custom: #6437bb;
$custom-light: #9871d0;
$custom-dark: #000000;

JSON

{
  "hex": "#6437bb",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 187
  },
  "hsl": {
    "h": 260.455,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.47043,
    "c": 0.19429,
    "h": 293
  },
  "luminance": 0.0903
}

Semantic roles & 50–950 ramp

primary

#6437BB

secondary

#B2C985

accent

#DE4AAB

background

#F9F7FC

surface

#F2EDF9

border

#CCC8D2

text

#0E0814

muted

#7E7B82

Preview Lab

Preview with #6437BB

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

Preview Lab → · Contrast checker → · Palette generator →