#3944B7#3944B7

#3944B7 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.2% C 0.180 H 272.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX#3944B7
RGBrgb(57, 68, 183)
HSLhsl(235, 53%, 47%)
HSVhsv(235, 69%, 72%)
CMYKcmyk(68.9%, 62.8%, 0%, 28.2%)
CIE-LABlab(34.85, 33.73, -62.15)
CIE-LCHlch(34.85, 70.72, 298.49°)
OKLaboklab(45.18% 0.0084 -0.1793)
OKLCHoklch(45.18% 0.18 272.7)
XYZxyz(12.2988, 8.4218, 45.7680)
Luminance0.0842 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3944B7 #B7AC39
analogous
#3983B7 #3944B7 #6D39B7
triadic
#3944B7 #B73944 #44B739
tetradic
#3944B7 #B73983 #B7AC39 #39B76D
square
#3944B7 #B73983 #B7AC39 #39B76D
split-complementary
#3944B7 #B76D39 #83B739
monochromatic
#1C215A #2A3388 #3944B7 #6069CD #8E95DC

Accessibility & contrast

On white

7.82
#3944B7 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.68
#3944B7 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3944B7
7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3944B7#FFFFFF#000000##FFFFFF
##3944B71.007.822.687.82
#FFFFFF7.821.0021.001.00
#0000002.6821.001.0021.00
##FFFFFF7.821.0021.001.00

Color blindness preview

Protanopia (red-blind)
#0058BB
Deuteranopia (green-blind)
#004CB5
Tritanopia (blue-blind)
#006177
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #3944b7;
/* rgb */ color: rgb(57, 68, 183);
/* oklch */ color: oklch(45.2% 0.180 272.7);
Tailwind
colors: {
  custom: {
    50: '#8078ce',
    500: '#3944b7',
    950: '#000000',
  },
}
SCSS
$custom: #3944b7;
$custom-light: #8078ce;
$custom-dark: #000000;
JSON
{
  "hex": "#3944b7",
  "rgb": {
    "r": 57,
    "g": 68,
    "b": 183
  },
  "hsl": {
    "h": 234.762,
    "s": 52.5,
    "l": 47.059
  },
  "oklch": {
    "l": 0.45184,
    "c": 0.17954,
    "h": 272.7
  },
  "luminance": 0.08423
}

Semantic roles & 50–950 ramp

primary
#3944B7
secondary
#C7C185
accent
#CF4CDC
background
#F8F7FC
surface
#F0EDF9
border
#CBC8D2
text
#0B0914
muted
#7C7B82

Preview Lab

Preview with #3944B7

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

Preview Lab → · Contrast checker → · Palette generator →

#3944B7 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva