#4339B2#4339B2

#4339B2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.6% C 0.184 H 279.2°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX#4339B2
RGBrgb(67, 57, 178)
HSLhsl(245, 51%, 46%)
HSVhsv(245, 68%, 70%)
CMYKcmyk(62.4%, 68%, 0%, 30.2%)
CIE-LABlab(32.55, 40.23, -62.91)
CIE-LCHlch(32.55, 74.68, 302.60°)
OKLaboklab(43.56% 0.0295 -0.1813)
OKLCHoklch(43.56% 0.184 279.2)
XYZxyz(11.8112, 7.3330, 42.9038)
Luminance0.0733 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4339B2 #A8B239
analogous
#396BB2 #4339B2 #7F39B2
triadic
#4339B2 #B24339 #39B243
tetradic
#4339B2 #B2396B #A8B239 #39B27F
square
#4339B2 #B2396B #A8B239 #39B27F
split-complementary
#4339B2 #B27F39 #6BB239
monochromatic
#201B55 #322A84 #4339B2 #665DCB #928BDA

Accessibility & contrast

On white

8.51
#4339B2 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.47
#4339B2 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339B2
8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4339B2#FFFFFF#000000##FFFFFF
##4339B21.008.512.478.51
#FFFFFF8.511.0021.001.00
#0000002.4721.001.0021.00
##FFFFFF8.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0051B6
Deuteranopia (green-blind)
#0048B0
Tritanopia (blue-blind)
#005971
Achromatopsia (no color)
#4D4D4D

Design tokens & code

CSS
--color: #4339b2;
/* rgb */ color: rgb(67, 57, 178);
/* oklch */ color: oklch(43.6% 0.184 279.2);
Tailwind
colors: {
  custom: {
    50: '#8470ca',
    500: '#4339b2',
    950: '#000000',
  },
}
SCSS
$custom: #4339b2;
$custom-light: #8470ca;
$custom-dark: #000000;
JSON
{
  "hex": "#4339b2",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 178
  },
  "hsl": {
    "h": 244.959,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.43558,
    "c": 0.18373,
    "h": 279.2
  },
  "luminance": 0.07334
}

Semantic roles & 50–950 ramp

primary
#4339B2
secondary
#BFC482
accent
#DB4DCF
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0713
muted
#7D7A82

Preview Lab

Preview with #4339B2

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

Preview Lab → · Contrast checker → · Palette generator →

#4339B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva