#4337B4#4337B4

#4337B4 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.4% C 0.189 H 279.4°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX#4337B4
RGBrgb(67, 55, 180)
HSLhsl(246, 53%, 46%)
HSVhsv(246, 69%, 71%)
CMYKcmyk(62.8%, 69.4%, 0%, 29.4%)
CIE-LABlab(32.30, 42.05, -64.51)
CIE-LCHlch(32.30, 77.01, 303.10°)
OKLaboklab(43.43% 0.0308 -0.186)
OKLCHoklch(43.43% 0.189 279.4)
XYZxyz(11.9165, 7.2200, 43.9368)
Luminance0.0722 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4337B4 #A8B437
analogous
#3769B4 #4337B4 #8137B4
triadic
#4337B4 #B44337 #37B443
tetradic
#4337B4 #B43769 #A8B437 #37B481
square
#4337B4 #B43769 #A8B437 #37B481
split-complementary
#4337B4 #B48137 #69B437
monochromatic
#201A56 #322985 #4337B4 #665BCD #928ADB

Accessibility & contrast

On white

8.59
#4337B4 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.44
#4337B4 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4337B4
8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4337B4#FFFFFF#000000##FFFFFF
##4337B41.008.592.448.59
#FFFFFF8.591.0021.001.00
#0000002.4421.001.0021.00
##FFFFFF8.591.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051B8
Deuteranopia (green-blind)
#0047B2
Tritanopia (blue-blind)
#005871
Achromatopsia (no color)
#4C4C4C

Design tokens & code

CSS
--color: #4337b4;
/* rgb */ color: rgb(67, 55, 180);
/* oklch */ color: oklch(43.4% 0.189 279.4);
Tailwind
colors: {
  custom: {
    50: '#856fcc',
    500: '#4337b4',
    950: '#000000',
  },
}
SCSS
$custom: #4337b4;
$custom-light: #856fcc;
$custom-dark: #000000;
JSON
{
  "hex": "#4337b4",
  "rgb": {
    "r": 67,
    "g": 55,
    "b": 180
  },
  "hsl": {
    "h": 245.76,
    "s": 53.191,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43433,
    "c": 0.18857,
    "h": 279.4
  },
  "luminance": 0.07221
}

Semantic roles & 50–950 ramp

primary
#4337B4
secondary
#BFC681
accent
#DD4BCF
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0713
muted
#7D7A82

Preview Lab

Preview with #4337B4

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

Preview Lab → · Contrast checker → · Palette generator →

#4337B4 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva