#4337B6#4337B6

#4337B6 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.6% C 0.191 H 279.2°. Best body text is #FFFFFF at 8.53:1 contrast (WCAG AA passes).

Color values

HEX	#4337B6
RGB	rgb(67, 55, 182)
HSL	hsl(246, 54%, 46%)
HSV	hsv(246, 70%, 71%)
CMYK	cmyk(63.2%, 69.8%, 0%, 28.6%)
CIE-LAB	lab(32.48, 42.69, -65.40)
CIE-LCH	lch(32.48, 78.10, 303.14°)
OKLab	oklab(43.62% 0.0304 -0.1886)
OKLCH	oklch(43.62% 0.191 279.2)
XYZ	xyz(12.1217, 7.3021, 45.0176)
Luminance	0.0730 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.17

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4337B6 #AAB637

analogous

#376BB6 #4337B6 #8337B6

triadic

#4337B6 #B64337 #37B643

tetradic

#4337B6 #B6376B #AAB637 #37B683

square

#4337B6 #B6376B #AAB637 #37B683

split-complementary

#4337B6 #B68337 #6BB637

monochromatic

#201B58 #322987 #4337B6 #675CCE #938BDC

Accessibility & contrast

On white

8.53

#4337B6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#4337B6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337B6

8.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337B6	#FFFFFF	#000000	##FFFFFF
##4337B6	1.00	8.53	2.46	8.53
#FFFFFF	8.53	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051BA

Deuteranopia (green-blind)

#0047B4

Tritanopia (blue-blind)

#005972

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4337b6;
/* rgb */ color: rgb(67, 55, 182);
/* oklch */ color: oklch(43.6% 0.191 279.2);

Tailwind

colors: {
  custom: {
    50: '#856fcd',
    500: '#4337b6',
    950: '#000000',
  },
}

SCSS

$custom: #4337b6;
$custom-light: #856fcd;
$custom-dark: #000000;

JSON

{
  "hex": "#4337b6",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 182
  },
  "hsl": {
    "h": 245.669,
    "s": 53.586,
    "l": 46.471
  },
  "oklch": {
    "l": 0.4362,
    "c": 0.19107,
    "h": 279.2
  },
  "luminance": 0.07303
}

Semantic roles & 50–950 ramp

primary

#4337B6

secondary

#C0C682

accent

#DD4BCF

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0714

muted

#7D7A82

Preview Lab

Preview with #4337B6

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

Preview Lab → · Contrast checker → · Palette generator →