#4337CF#4337CF

#4337CF is a mid, highly saturated blue. Relative luminance 0.084; OKLCH L 46.0% C 0.222 H 276.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#4337CF
RGB	rgb(67, 55, 207)
HSL	hsl(245, 61%, 51%)
HSV	hsv(245, 73%, 81%)
CMYK	cmyk(67.6%, 73.4%, 0%, 18.8%)
CIE-LAB	lab(34.86, 50.61, -76.15)
CIE-LCH	lch(34.86, 91.43, 303.61°)
OKLab	oklab(46.03% 0.0259 -0.22)
OKLCH	oklch(46.03% 0.222 276.7)
XYZ	xyz(14.9397, 8.4293, 59.8591)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4337CF #C3CF37

analogous

#3777CF #4337CF #8F37CF

triadic

#4337CF #CF4337 #37CF43

tetradic

#4337CF #CF3777 #C3CF37 #37CF8F

square

#4337CF #CF3777 #C3CF37 #37CF8F

split-complementary

#4337CF #CF8F37 #77CF37

monochromatic

#221B71 #3127A2 #4337CF #7168DB #A09AE7

Accessibility & contrast

On white

7.82

#4337CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#4337CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337CF

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337CF	#FFFFFF	#000000	##FFFFFF
##4337CF	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058D3

Deuteranopia (green-blind)

#004BCC

Tritanopia (blue-blind)

#006280

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4337cf;
/* rgb */ color: rgb(67, 55, 207);
/* oklch */ color: oklch(46.0% 0.222 276.7);

Tailwind

colors: {
  custom: {
    50: '#8a70df',
    500: '#4337cf',
    950: '#000000',
  },
}

SCSS

$custom: #4337cf;
$custom-light: #8a70df;
$custom-dark: #000000;

JSON

{
  "hex": "#4337cf",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 207
  },
  "hsl": {
    "h": 244.737,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.46031,
    "c": 0.22154,
    "h": 276.7
  },
  "luminance": 0.08431
}

Semantic roles & 50–950 ramp

primary

#4337CF

secondary

#CDD28F

accent

#E443D8

background

#F9F6FD

surface

#F2ECFB

border

#CCC7D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4337CF

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

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