#3774B2#3774B2

#3774B2 is a mid, moderate cyan. Relative luminance 0.165; OKLCH L 54.8% C 0.116 H 251.1°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX#3774B2
RGBrgb(55, 116, 178)
HSLhsl(210, 53%, 46%)
HSVhsv(210, 69%, 70%)
CMYKcmyk(69.1%, 34.8%, 0%, 30.2%)
CIE-LABlab(47.64, 0.91, -38.65)
CIE-LCHlch(47.64, 38.66, 271.34°)
OKLaboklab(54.82% -0.0376 -0.1097)
OKLCHoklch(54.82% 0.116 251.1)
XYZxyz(15.8538, 16.5157, 44.4632)
Luminance0.1652 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3774B2 #B27537
analogous
#37B1B2 #3774B2 #3737B2
triadic
#3774B2 #B23774 #74B237
tetradic
#3774B2 #B237B1 #B27537 #37B237
square
#3774B2 #B237B1 #B27537 #37B237
split-complementary
#3774B2 #B23737 #B1B237
monochromatic
#1A3754 #295683 #3774B2 #5A93CC #89B1DB

Accessibility & contrast

On white

4.88
#3774B2 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.30
#3774B2 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3774B2
4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3774B2#FFFFFF#000000##FFFFFF
##3774B21.004.884.304.88
#FFFFFF4.881.0021.001.00
#0000004.3021.001.0021.00
##FFFFFF4.881.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5877B5
Deuteranopia (green-blind)
#476CB1
Tritanopia (blue-blind)
#00838B
Achromatopsia (no color)
#717171

Design tokens & code

CSS
--color: #3774b2;
/* rgb */ color: rgb(55, 116, 178);
/* oklch */ color: oklch(54.8% 0.116 251.1);
Tailwind
colors: {
  custom: {
    50: '#7c9bc9',
    500: '#3774b2',
    950: '#000000',
  },
}
SCSS
$custom: #3774b2;
$custom-light: #7c9bc9;
$custom-dark: #000000;
JSON
{
  "hex": "#3774b2",
  "rgb": {
    "r": 55,
    "g": 116,
    "b": 178
  },
  "hsl": {
    "h": 210.244,
    "s": 52.79,
    "l": 45.686
  },
  "oklch": {
    "l": 0.54815,
    "c": 0.11595,
    "h": 251.1
  },
  "luminance": 0.16517
}

Semantic roles & 50–950 ramp

primary
#3774B2
secondary
#C5A380
accent
#944CDC
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0B0E13
muted
#7C7E82

Preview Lab

Preview with #3774B2

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

Preview Lab → · Contrast checker → · Palette generator →

#3774B2 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva