#3777C0#3777C0

#3777C0 is a mid, vivid cyan. Relative luminance 0.178; OKLCH L 56.3% C 0.131 H 253.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#3777C0
RGBrgb(55, 119, 192)
HSLhsl(212, 55%, 48%)
HSVhsv(212, 71%, 75%)
CMYKcmyk(71.4%, 38%, 0%, 24.7%)
CIE-LABlab(49.26, 4.13, -44.17)
CIE-LCHlch(49.26, 44.36, 275.34°)
OKLaboklab(56.32% -0.0369 -0.1258)
OKLCHoklch(56.32% 0.131 253.7)
XYZxyz(17.6833, 17.8097, 52.3646)
Luminance0.1781 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3777C0 #C08037
analogous
#37BBC0 #3777C0 #3B37C0
triadic
#3777C0 #C03777 #77C037
tetradic
#3777C0 #C037BB #C08037 #37C03B
square
#3777C0 #C037BB #C08037 #37C03B
split-complementary
#3777C0 #C03B37 #BBC037
monochromatic
#1C3C61 #295A90 #3777C0 #6296D2 #92B6E0

Accessibility & contrast

On white

4.60
#3777C0 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.56
#3777C0 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3777C0
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3777C0#FFFFFF#000000##FFFFFF
##3777C01.004.604.564.60
#FFFFFF4.601.0021.001.00
#0000004.5621.001.0021.00
##FFFFFF4.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#567CC3
Deuteranopia (green-blind)
#416FBF
Tritanopia (blue-blind)
#008892
Achromatopsia (no color)
#757575

Design tokens & code

CSS
--color: #3777c0;
/* rgb */ color: rgb(55, 119, 192);
/* oklch */ color: oklch(56.3% 0.131 253.7);
Tailwind
colors: {
  custom: {
    50: '#7e9dd3',
    500: '#3777c0',
    950: '#000000',
  },
}
SCSS
$custom: #3777c0;
$custom-light: #7e9dd3;
$custom-dark: #000000;
JSON
{
  "hex": "#3777c0",
  "rgb": {
    "r": 55,
    "g": 119,
    "b": 192
  },
  "hsl": {
    "h": 211.971,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.56324,
    "c": 0.13109,
    "h": 253.7
  },
  "luminance": 0.17812
}

Semantic roles & 50–950 ramp

primary
#3777C0
secondary
#CBAC88
accent
#9949DF
background
#F8F9FD
surface
#EFF2FA
border
#CACCD3
text
#0B0E14
muted
#7C7E83

Preview Lab

Preview with #3777C0

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

Preview Lab → · Contrast checker → · Palette generator →

#3777C0 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva