#3772BA#3772BA

#3772BA is a mid, vivid cyan. Relative luminance 0.164; OKLCH L 54.8% C 0.128 H 254.9°. Best body text is #FFFFFF at 4.91:1 contrast (WCAG AA passes).

Color values

HEX#3772BA
RGBrgb(55, 114, 186)
HSLhsl(213, 54%, 47%)
HSVhsv(213, 70%, 73%)
CMYKcmyk(70.4%, 38.7%, 0%, 27.1%)
CIE-LABlab(47.48, 5.02, -43.54)
CIE-LCHlch(47.48, 43.83, 276.58°)
OKLaboklab(54.83% -0.0336 -0.124)
OKLCHoklch(54.83% 0.128 254.9)
XYZxyz(16.4525, 16.3903, 48.7414)
Luminance0.1639 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3772BA #BA7F37
analogous
#37B4BA #3772BA #3D37BA
triadic
#3772BA #BA3772 #72BA37
tetradic
#3772BA #BA37B4 #BA7F37 #37BA3D
square
#3772BA #BA37B4 #BA7F37 #37BA3D
split-complementary
#3772BA #BA3D37 #B4BA37
monochromatic
#1B385C #29558B #3772BA #5F91D0 #8EB2DE

Accessibility & contrast

On white

4.91
#3772BA on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.28
#3772BA on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3772BA
4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3772BA#FFFFFF#000000##FFFFFF
##3772BA1.004.914.284.91
#FFFFFF4.911.0021.001.00
#0000004.2821.001.0021.00
##FFFFFF4.911.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5177BD
Deuteranopia (green-blind)
#3D6BB9
Tritanopia (blue-blind)
#00838D
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3772ba;
/* rgb */ color: rgb(55, 114, 186);
/* oklch */ color: oklch(54.8% 0.128 254.9);
Tailwind
colors: {
  custom: {
    50: '#7d9acf',
    500: '#3772ba',
    950: '#000000',
  },
}
SCSS
$custom: #3772ba;
$custom-light: #7d9acf;
$custom-dark: #000000;
JSON
{
  "hex": "#3772ba",
  "rgb": {
    "r": 55,
    "g": 114,
    "b": 186
  },
  "hsl": {
    "h": 212.977,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.54828,
    "c": 0.12848,
    "h": 254.9
  },
  "luminance": 0.16392
}

Semantic roles & 50–950 ramp

primary
#3772BA
secondary
#C8AA85
accent
#9B4ADE
background
#F8F9FC
surface
#EFF2F9
border
#CACCD2
text
#0B0E14
muted
#7C7E82

Preview Lab

Preview with #3772BA

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

Preview Lab → · Contrast checker → · Palette generator →

#3772BA Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva