#377591#377591

#377591 is a mid, moderate cyan. Relative luminance 0.156; OKLCH L 53.3% C 0.077 H 230.1°. Best body text is #FFFFFF at 5.10:1 contrast (WCAG AA passes).

Color values

HEX#377591
RGBrgb(55, 117, 145)
HSLhsl(199, 45%, 39%)
HSVhsv(199, 62%, 57%)
CMYKcmyk(62.1%, 19.3%, 0%, 43.1%)
CIE-LABlab(46.42, -11.12, -21.22)
CIE-LCHlch(46.42, 23.95, 242.35°)
OKLaboklab(53.34% -0.0496 -0.0592)
OKLCHoklch(53.34% 0.077 230.1)
XYZxyz(13.0457, 15.5779, 29.1019)
Luminance0.1558 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377591 #915337
analogous
#379180 #377591 #374891
triadic
#377591 #913775 #759137
tetradic
#377591 #803791 #915337 #489137
square
#377591 #803791 #915337 #489137
split-complementary
#377591 #913748 #918037
monochromatic
#152D38 #265165 #377591 #4B98BB #77B1CB

Accessibility & contrast

On white

5.10
#377591 on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.12
#377591 on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377591
5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377591#FFFFFF#000000##FFFFFF
##3775911.005.104.125.10
#FFFFFF5.101.0021.001.00
#0000004.1221.001.0021.00
##FFFFFF5.101.0021.001.00

Color blindness preview

Protanopia (red-blind)
#677392
Deuteranopia (green-blind)
#5A6A91
Tritanopia (blue-blind)
#007D7E
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #377591;
/* rgb */ color: rgb(55, 117, 145);
/* oklch */ color: oklch(53.3% 0.077 230.1);
Tailwind
colors: {
  custom: {
    50: '#779cb1',
    500: '#377591',
    950: '#000000',
  },
}
SCSS
$custom: #377591;
$custom-light: #779cb1;
$custom-dark: #000000;
JSON
{
  "hex": "#377591",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 145
  },
  "hsl": {
    "h": 198.667,
    "s": 45,
    "l": 39.216
  },
  "oklch": {
    "l": 0.5334,
    "c": 0.07726,
    "h": 230.1
  },
  "luminance": 0.15579
}

Semantic roles & 50–950 ramp

primary
#377591
secondary
#B48570
accent
#7B53D5
background
#F7F9FA
surface
#EEF2F5
border
#C9CCCF
text
#090E10
muted
#7B7E7F

Preview Lab

Preview with #377591

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

Preview Lab → · Contrast checker → · Palette generator →

#377591 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva