#377EAE#377EAE

#377EAE is a mid, moderate cyan. Relative luminance 0.188; OKLCH L 57.0% C 0.103 H 241.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX#377EAE
RGBrgb(55, 126, 174)
HSLhsl(204, 52%, 45%)
HSVhsv(204, 68%, 68%)
CMYKcmyk(68.4%, 27.6%, 0%, 31.8%)
CIE-LABlab(50.44, -6.47, -31.94)
CIE-LCHlch(50.44, 32.59, 258.54°)
OKLaboklab(56.95% -0.0491 -0.09)
OKLCHoklch(56.95% 0.103 241.4)
XYZxyz(16.6735, 18.7881, 42.7839)
Luminance0.1879 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#377EAE #AE6737
analogous
#37AEA3 #377EAE #3742AE
triadic
#377EAE #AE377E #7EAE37
tetradic
#377EAE #A337AE #AE6737 #42AE37
square
#377EAE #A337AE #AE6737 #42AE37
split-complementary
#377EAE #AE3742 #AEA337
monochromatic
#1A3B51 #285C7F #377EAE #589CCA #86B8D9

Accessibility & contrast

On white

4.41
#377EAE on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.76
#377EAE on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #377EAE
4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##377EAE#FFFFFF#000000##000000
##377EAE1.004.414.764.76
#FFFFFF4.411.0021.0021.00
#0000004.7621.001.001.00
##0000004.7621.001.001.00

Color blindness preview

Protanopia (red-blind)
#687EB0
Deuteranopia (green-blind)
#5873AD
Tritanopia (blue-blind)
#008A8F
Achromatopsia (no color)
#787878

Design tokens & code

CSS
--color: #377eae;
/* rgb */ color: rgb(55, 126, 174);
/* oklch */ color: oklch(57.0% 0.103 241.4);
Tailwind
colors: {
  custom: {
    50: '#7ba3c6',
    500: '#377eae',
    950: '#000000',
  },
}
SCSS
$custom: #377eae;
$custom-light: #7ba3c6;
$custom-dark: #000000;
JSON
{
  "hex": "#377eae",
  "rgb": {
    "r": 55,
    "g": 126,
    "b": 174
  },
  "hsl": {
    "h": 204.202,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.56953,
    "c": 0.10254,
    "h": 241.4
  },
  "luminance": 0.1879
}

Semantic roles & 50–950 ramp

primary
#377EAE
secondary
#C39A7E
accent
#864CDB
background
#F8FAFC
surface
#EFF3F8
border
#CACDD1
text
#0A0F13
muted
#7C7F82

Preview Lab

Preview with #377EAE

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

Preview Lab → · Contrast checker → · Palette generator →

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