#4339B7#4339B7

#4339B7 is a dark, vivid blue. Relative luminance 0.075; OKLCH L 44.0% C 0.190 H 278.7°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX#4339B7
RGBrgb(67, 57, 183)
HSLhsl(245, 53%, 47%)
HSVhsv(245, 69%, 72%)
CMYKcmyk(63.4%, 68.9%, 0%, 28.2%)
CIE-LABlab(33.00, 41.85, -65.15)
CIE-LCHlch(33.00, 77.43, 302.72°)
OKLaboklab(44.02% 0.0288 -0.1879)
OKLCHoklch(44.02% 0.19 278.7)
XYZxyz(12.3224, 7.5375, 45.5961)
Luminance0.0754 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#4339B7 #ADB739
analogous
#396EB7 #4339B7 #8239B7
triadic
#4339B7 #B74339 #39B743
tetradic
#4339B7 #B7396E #ADB739 #39B782
square
#4339B7 #B7396E #ADB739 #39B782
split-complementary
#4339B7 #B78239 #6EB739
monochromatic
#211C5A #322A88 #4339B7 #6860CD #958EDC

Accessibility & contrast

On white

8.37
#4339B7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.51
#4339B7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4339B7
8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##4339B7#FFFFFF#000000##FFFFFF
##4339B71.008.372.518.37
#FFFFFF8.371.0021.001.00
#0000002.5121.001.0021.00
##FFFFFF8.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0053BB
Deuteranopia (green-blind)
#0048B5
Tritanopia (blue-blind)
#005B73
Achromatopsia (no color)
#4E4E4E

Design tokens & code

CSS
--color: #4339b7;
/* rgb */ color: rgb(67, 57, 183);
/* oklch */ color: oklch(44.0% 0.190 278.7);
Tailwind
colors: {
  custom: {
    50: '#8571ce',
    500: '#4339b7',
    950: '#000000',
  },
}
SCSS
$custom: #4339b7;
$custom-light: #8571ce;
$custom-dark: #000000;
JSON
{
  "hex": "#4339b7",
  "rgb": {
    "r": 67,
    "g": 57,
    "b": 183
  },
  "hsl": {
    "h": 244.762,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.44018,
    "c": 0.19008,
    "h": 278.7
  },
  "luminance": 0.07538
}

Semantic roles & 50–950 ramp

primary
#4339B7
secondary
#C1C785
accent
#DC4CD0
background
#F8F6FC
surface
#F0ECF9
border
#CBC7D2
text
#0C0814
muted
#7D7B82

Preview Lab

Preview with #4339B7

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

Preview Lab → · Contrast checker → · Palette generator →

#4339B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva