#3777C8#3777C8

#3777C8 is a mid, vivid cyan. Relative luminance 0.182; OKLCH L 56.8% C 0.142 H 255.7°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX#3777C8
RGBrgb(55, 119, 200)
HSLhsl(214, 57%, 50%)
HSVhsv(214, 73%, 78%)
CMYKcmyk(72.5%, 40.5%, 0%, 21.6%)
CIE-LABlab(49.71, 7.04, -48.05)
CIE-LCHlch(49.71, 48.57, 278.33°)
OKLaboklab(56.81% -0.035 -0.1372)
OKLCHoklch(56.81% 0.142 255.7)
XYZxyz(18.5939, 18.1740, 57.1604)
Luminance0.1818 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#3777C8 #C88837
analogous
#37C0C8 #3777C8 #3F37C8
triadic
#3777C8 #C83777 #77C837
tetradic
#3777C8 #C837C0 #C88837 #37C83F
square
#3777C8 #C837C0 #C88837 #37C83F
split-complementary
#3777C8 #C83F37 #C0C837
monochromatic
#1D3E68 #2A5A98 #3777C8 #6798D5 #97B8E2

Accessibility & contrast

On white

4.53
#3777C8 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.64
#3777C8 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3777C8
4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##3777C8#FFFFFF#000000##000000
##3777C81.004.534.644.64
#FFFFFF4.531.0021.0021.00
#0000004.6421.001.001.00
##0000004.6421.001.001.00

Color blindness preview

Protanopia (red-blind)
#517DCB
Deuteranopia (green-blind)
#3970C6
Tritanopia (blue-blind)
#008A96
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #3777c8;
/* rgb */ color: rgb(55, 119, 200);
/* oklch */ color: oklch(56.8% 0.142 255.7);
Tailwind
colors: {
  custom: {
    50: '#809dd9',
    500: '#3777c8',
    950: '#000000',
  },
}
SCSS
$custom: #3777c8;
$custom-light: #809dd9;
$custom-dark: #000000;
JSON
{
  "hex": "#3777c8",
  "rgb": {
    "r": 55,
    "g": 119,
    "b": 200
  },
  "hsl": {
    "h": 213.517,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.56812,
    "c": 0.14157,
    "h": 255.7
  },
  "luminance": 0.18176
}

Semantic roles & 50–950 ramp

primary
#3777C8
secondary
#CEB18D
accent
#9D48E0
background
#F8F9FD
surface
#F0F2FA
border
#CBCCD3
text
#0B0E15
muted
#7C7E83

Preview Lab

Preview with #3777C8

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

Preview Lab → · Contrast checker → · Palette generator →

#3777C8 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva