#4339BE#4339BE

#4339BE is a dark, vivid blue. Relative luminance 0.078; OKLCH L 44.7% C 0.199 H 278.0°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX#4339BE
RGBrgb(67, 57, 190)
HSLhsl(245, 54%, 48%)
HSVhsv(245, 70%, 75%)
CMYKcmyk(64.7%, 70%, 0%, 25.5%)
CIE-LABlab(33.64, 44.11, -68.23)
CIE-LCHlch(33.64, 81.24, 302.88°)
OKLaboklab(44.67% 0.0277 -0.1969)
OKLCHoklch(44.67% 0.199 278)
XYZxyz(13.0691, 7.8362, 49.5290)
Luminance0.0784 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4339BE #B4BE39
analogous
#3971BE #4339BE #8539BE
triadic
#4339BE #BE4339 #39BE43
tetradic
#4339BE #BE3971 #B4BE39 #39BE85
square
#4339BE #BE3971 #B4BE39 #39BE85
split-complementary
#4339BE #BE8539 #71BE39
monochromatic
#221D60 #322B8F #4339BE #6C64D0 #9993DF

Accessibility & contrast

On white

8.18
#4339BE on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.57
#4339BE on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339BE
8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4339BE#FFFFFF#000000##FFFFFF
##4339BE1.008.182.578.18
#FFFFFF8.181.0021.001.00
#0000002.5721.001.0021.00
##FFFFFF8.181.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0054C2
Deuteranopia (green-blind)
#004ABC
Tritanopia (blue-blind)
#005D77
Achromatopsia (no color)
#4F4F4F

Design tokens & code

CSS
--color: #4339be;
/* rgb */ color: rgb(67, 57, 190);
/* oklch */ color: oklch(44.7% 0.199 278.0);
Tailwind
colors: {
  custom: {
    50: '#8671d3',
    500: '#4339be',
    950: '#000000',
  },
}
SCSS
$custom: #4339be;
$custom-light: #8671d3;
$custom-dark: #000000;
JSON
{
  "hex": "#4339be",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 190
  },
  "hsl": {
    "h": 244.511,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.44671,
    "c": 0.19886,
    "h": 278
  },
  "luminance": 0.07837
}

Semantic roles & 50–950 ramp

primary
#4339BE
secondary
#C5CA89
accent
#DD4BD2
background
#F8F6FD
surface
#F0ECFA
border
#CBC7D3
text
#0D0814
muted
#7D7B83

Preview Lab

Preview with #4339BE

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

Preview Lab → · Contrast checker → · Palette generator →

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