#4337C0#4337C0

#4337C0 is a dark, highly saturated blue. Relative luminance 0.077; OKLCH L 44.6% C 0.203 H 278.1°. Best body text is #FFFFFF at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#4337C0
RGB	rgb(67, 55, 192)
HSL	hsl(245, 55%, 48%)
HSV	hsv(245, 71%, 75%)
CMYK	cmyk(65.1%, 71.4%, 0%, 24.7%)
CIE-LAB	lab(33.41, 45.88, -69.77)
CIE-LCH	lch(33.41, 83.51, 303.33°)
OKLab	oklab(44.57% 0.0287 -0.2014)
OKLCH	oklch(44.57% 0.203 278.1)
XYZ	xyz(13.1923, 7.7303, 50.6559)
Luminance	0.0773 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4337C0 #B4C037

analogous

#3770C0 #4337C0 #8737C0

triadic

#4337C0 #C04337 #37C043

tetradic

#4337C0 #C03770 #B4C037 #37C087

square

#4337C0 #C03770 #B4C037 #37C087

split-complementary

#4337C0 #C08737 #70C037

monochromatic

#221C61 #322990 #4337C0 #6C62D2 #9992E0

Accessibility & contrast

On white

8.25

#4337C0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.55

#4337C0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337C0

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337C0	#FFFFFF	#000000	##FFFFFF
##4337C0	1.00	8.25	2.55	8.25
#FFFFFF	8.25	1.00	21.00	1.00
#000000	2.55	21.00	1.00	21.00
##FFFFFF	8.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0054C4

Deuteranopia (green-blind)

#0049BD

Tritanopia (blue-blind)

#005D78

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #4337c0;
/* rgb */ color: rgb(67, 55, 192);
/* oklch */ color: oklch(44.6% 0.203 278.1);

Tailwind

colors: {
  custom: {
    50: '#8770d4',
    500: '#4337c0',
    950: '#000000',
  },
}

SCSS

$custom: #4337c0;
$custom-light: #8770d4;
$custom-dark: #000000;

JSON

{
  "hex": "#4337c0",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 192
  },
  "hsl": {
    "h": 245.255,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44567,
    "c": 0.20347,
    "h": 278.1
  },
  "luminance": 0.07731
}

Semantic roles & 50–950 ramp

primary

#4337C0

secondary

#C5CB88

accent

#DF49D2

background

#F9F6FD

surface

#F1ECFA

border

#CBC7D3

text

#0D0714

muted

#7E7A83

Preview Lab

Preview with #4337C0

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

Preview Lab → · Contrast checker → · Palette generator →