#4437BB#4437BB

#4437BB is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.2% C 0.197 H 279.0°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#4437BB
RGB	rgb(68, 55, 187)
HSL	hsl(246, 55%, 47%)
HSV	hsv(246, 71%, 73%)
CMYK	cmyk(63.6%, 70.6%, 0%, 26.7%)
CIE-LAB	lab(33.02, 44.42, -67.47)
CIE-LCH	lch(33.02, 80.78, 303.36°)
OKLab	oklab(44.17% 0.0309 -0.1947)
OKLCH	oklch(44.17% 0.197 279)
XYZ	xyz(12.7169, 7.5482, 47.7909)
Luminance	0.0755 (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

#4437BB #AEBB37

analogous

#376CBB #4437BB #8637BB

triadic

#4437BB #BB4437 #37BB44

tetradic

#4437BB #BB376C #AEBB37 #37BB86

square

#4437BB #BB376C #AEBB37 #37BB86

split-complementary

#4437BB #BB8637 #6CBB37

monochromatic

#221B5C #33298C #4437BB #6A5FD0 #968EDE

Accessibility & contrast

On white

8.37

#4437BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#4437BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4437BB

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4437BB	#FFFFFF	#000000	##FFFFFF
##4437BB	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053BF

Deuteranopia (green-blind)

#0048B9

Tritanopia (blue-blind)

#005B75

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #4437bb;
/* rgb */ color: rgb(68, 55, 187);
/* oklch */ color: oklch(44.2% 0.197 279.0);

Tailwind

colors: {
  custom: {
    50: '#866fd1',
    500: '#4437bb',
    950: '#000000',
  },
}

SCSS

$custom: #4437bb;
$custom-light: #866fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4437bb",
  "rgb": {
    "r": 68,
    "g": 55,
    "b": 187
  },
  "hsl": {
    "h": 245.909,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.44165,
    "c": 0.1971,
    "h": 279
  },
  "luminance": 0.07549
}

Semantic roles & 50–950 ramp

primary

#4437BB

secondary

#C2C985

accent

#DE4ACF

background

#F8F6FD

surface

#F0ECFA

border

#CBC7D3

text

#0D0714

muted

#7D7A83

Preview Lab

Preview with #4437BB

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

Preview Lab → · Contrast checker → · Palette generator →