#377BAD#377BAD

#377BAD is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.2% C 0.104 H 243.5°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX#377BAD
RGBrgb(55, 123, 173)
HSLhsl(205, 52%, 45%)
HSVhsv(205, 68%, 68%)
CMYKcmyk(68.2%, 28.9%, 0%, 32.2%)
CIE-LABlab(49.49, -5.06, -32.85)
CIE-LCHlch(49.49, 33.23, 261.24°)
OKLaboklab(56.19% -0.0463 -0.0927)
OKLCHoklch(56.19% 0.104 243.5)
XYZxyz(16.1985, 17.9936, 42.1465)
Luminance0.1799 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377BAD #AD6937
analogous
#37ADA4 #377BAD #3740AD
triadic
#377BAD #AD377B #7BAD37
tetradic
#377BAD #A437AD #AD6937 #40AD37
square
#377BAD #A437AD #AD6937 #40AD37
split-complementary
#377BAD #AD3740 #ADA437
monochromatic
#193950 #285A7F #377BAD #5799CA #86B5D8

Accessibility & contrast

On white

4.57
#377BAD on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.60
#377BAD on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377BAD
4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377BAD#FFFFFF#000000##000000
##377BAD1.004.574.604.60
#FFFFFF4.571.0021.0021.00
#0000004.6021.001.001.00
##0000004.6021.001.001.00

Color blindness preview

Protanopia (red-blind)
#647CAF
Deuteranopia (green-blind)
#5471AC
Tritanopia (blue-blind)
#00878C
Achromatopsia (no color)
#767676

Design tokens & code

CSS
--color: #377bad;
/* rgb */ color: rgb(55, 123, 173);
/* oklch */ color: oklch(56.2% 0.104 243.5);
Tailwind
colors: {
  custom: {
    50: '#7ba1c5',
    500: '#377bad',
    950: '#000000',
  },
}
SCSS
$custom: #377bad;
$custom-light: #7ba1c5;
$custom-dark: #000000;
JSON
{
  "hex": "#377bad",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 173
  },
  "hsl": {
    "h": 205.424,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.56186,
    "c": 0.10361,
    "h": 243.5
  },
  "luminance": 0.17995
}

Semantic roles & 50–950 ramp

primary
#377BAD
secondary
#C29B7D
accent
#894DDB
background
#F8F9FC
surface
#EFF2F8
border
#CACCD1
text
#0A0E13
muted
#7C7E82

Preview Lab

Preview with #377BAD

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

Preview Lab → · Contrast checker → · Palette generator →

#377BAD Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva