#6437CF#6437CF

#6437CF is a mid, highly saturated violet. Relative luminance 0.099; OKLCH L 48.8% C 0.217 H 289.3°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#6437CF
RGB	rgb(100, 55, 207)
HSL	hsl(258, 61%, 51%)
HSV	hsv(258, 73%, 81%)
CMYK	cmyk(51.7%, 73.4%, 0%, 18.8%)
CIE-LAB	lab(37.75, 54.84, -71.30)
CIE-LCH	lch(37.75, 89.95, 307.56°)
OKLab	oklab(48.78% 0.0717 -0.2049)
OKLCH	oklch(48.78% 0.217 289.3)
XYZ	xyz(17.8809, 9.9459, 59.9970)
Luminance	0.0995 (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

#6437CF #A2CF37

analogous

#3756CF #6437CF #B037CF

triadic

#6437CF #CF6437 #37CF64

tetradic

#6437CF #CF3756 #A2CF37 #37CFB0

square

#6437CF #CF3756 #A2CF37 #37CFB0

split-complementary

#6437CF #CFB037 #56CF37

monochromatic

#341B71 #4B27A2 #6437CF #8A68DB #B19AE7

Accessibility & contrast

On white

7.02

#6437CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#6437CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #6437CF

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##6437CF	#FFFFFF	#000000	##FFFFFF
##6437CF	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CD3

Deuteranopia (green-blind)

#0055CC

Tritanopia (blue-blind)

#3C6080

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #6437cf;
/* rgb */ color: rgb(100, 55, 207);
/* oklch */ color: oklch(48.8% 0.217 289.3);

Tailwind

colors: {
  custom: {
    50: '#9a72df',
    500: '#6437cf',
    950: '#000000',
  },
}

SCSS

$custom: #6437cf;
$custom-light: #9a72df;
$custom-dark: #000000;

JSON

{
  "hex": "#6437cf",
  "rgb": {
    "r": 100,
    "g": 55,
    "b": 207
  },
  "hsl": {
    "h": 257.763,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48776,
    "c": 0.21708,
    "h": 289.3
  },
  "luminance": 0.09947
}

Semantic roles & 50–950 ramp

primary

#6437CF

secondary

#BFD28F

accent

#E443B5

background

#FAF7FD

surface

#F4EDFB

border

#CEC8D4

text

#0F0815

muted

#7F7B83

Preview Lab

Preview with #6437CF

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

Preview Lab → · Contrast checker → · Palette generator →