#37758F#37758F

#37758F is a mid, moderate cyan. Relative luminance 0.155; OKLCH L 53.2% C 0.075 H 228.1°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX#37758F
RGBrgb(55, 117, 143)
HSLhsl(198, 44%, 39%)
HSVhsv(198, 62%, 56%)
CMYKcmyk(61.5%, 18.2%, 0%, 43.9%)
CIE-LABlab(46.33, -11.78, -20.16)
CIE-LCHlch(46.33, 23.35, 239.71°)
OKLaboklab(53.25% -0.0504 -0.0562)
OKLCHoklch(53.25% 0.075 228.1)
XYZxyz(12.8928, 15.5167, 28.2968)
Luminance0.1552 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37758F #8F5137
analogous
#378F7D #37758F #37498F
triadic
#37758F #8F3775 #758F37
tetradic
#37758F #7D378F #8F5137 #498F37
square
#37758F #7D378F #8F5137 #498F37
split-complementary
#37758F #8F3749 #8F7D37
monochromatic
#152D37 #265163 #37758F #4A98B9 #76B1CA

Accessibility & contrast

On white

5.12
#37758F on #FFFFFF
AA ✓AA large ✓AAA ✗

On black

4.10
#37758F on #000000
AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37758F
5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37758F#FFFFFF#000000##FFFFFF
##37758F1.005.124.105.12
#FFFFFF5.121.0021.001.00
#0000004.1021.001.0021.00
##FFFFFF5.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#677390
Deuteranopia (green-blind)
#5B6A8F
Tritanopia (blue-blind)
#007C7D
Achromatopsia (no color)
#6E6E6E

Design tokens & code

CSS
--color: #37758f;
/* rgb */ color: rgb(55, 117, 143);
/* oklch */ color: oklch(53.2% 0.075 228.1);
Tailwind
colors: {
  custom: {
    50: '#779caf',
    500: '#37758f',
    950: '#000000',
  },
}
SCSS
$custom: #37758f;
$custom-light: #779caf;
$custom-dark: #000000;
JSON
{
  "hex": "#37758f",
  "rgb": {
    "r": 55,
    "g": 117,
    "b": 143
  },
  "hsl": {
    "h": 197.727,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.53248,
    "c": 0.07549,
    "h": 228.1
  },
  "luminance": 0.15518
}

Semantic roles & 50–950 ramp

primary
#37758F
secondary
#B3836F
accent
#7A54D4
background
#F7F9FA
surface
#EEF2F4
border
#C9CCCE
text
#090E10
muted
#7B7E7F

Preview Lab

Preview with #37758F

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

Preview Lab → · Contrast checker → · Palette generator →

#37758F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva