#4337B2#4337B2

#4337B2 is a dark, vivid blue. Relative luminance 0.071; OKLCH L 43.2% C 0.186 H 279.6°. Best body text is #FFFFFF at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#4337B2
RGB	rgb(67, 55, 178)
HSL	hsl(246, 53%, 46%)
HSV	hsv(246, 69%, 70%)
CMYK	cmyk(62.4%, 69.1%, 0%, 30.2%)
CIE-LAB	lab(32.12, 41.41, -63.62)
CIE-LCH	lch(32.12, 75.91, 303.06°)
OKLab	oklab(43.25% 0.0311 -0.1834)
OKLCH	oklch(43.25% 0.186 279.6)
XYZ	xyz(11.7143, 7.1391, 42.8715)
Luminance	0.0714 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 3.22

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4337B2 #A6B237

analogous

#3768B2 #4337B2 #8037B2

triadic

#4337B2 #B24337 #37B243

tetradic

#4337B2 #B23768 #A6B237 #37B280

square

#4337B2 #B23768 #A6B237 #37B280

split-complementary

#4337B2 #B28037 #68B237

monochromatic

#201A54 #312983 #4337B2 #655ACC #9189DB

Accessibility & contrast

On white

8.65

#4337B2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#4337B2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337B2

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4337B2	#FFFFFF	#000000	##FFFFFF
##4337B2	1.00	8.65	2.43	8.65
#FFFFFF	8.65	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050B6

Deuteranopia (green-blind)

#0047B0

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #4337b2;
/* rgb */ color: rgb(67, 55, 178);
/* oklch */ color: oklch(43.2% 0.186 279.6);

Tailwind

colors: {
  custom: {
    50: '#846fca',
    500: '#4337b2',
    950: '#000000',
  },
}

SCSS

$custom: #4337b2;
$custom-light: #846fca;
$custom-dark: #000000;

JSON

{
  "hex": "#4337b2",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 178
  },
  "hsl": {
    "h": 245.854,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.43248,
    "c": 0.18603,
    "h": 279.6
  },
  "luminance": 0.0714
}

Semantic roles & 50–950 ramp

primary

#4337B2

secondary

#BEC580

accent

#DC4CCE

background

#F8F6FC

surface

#F0ECF9

border

#CBC7D2

text

#0C0713

muted

#7D7A82

Preview Lab

Preview with #4337B2

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

Preview Lab → · Contrast checker → · Palette generator →