#37587C#37587C

#37587C is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.1% C 0.071 H 251.6°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX#37587C
RGBrgb(55, 88, 124)
HSLhsl(211, 39%, 35%)
HSVhsv(211, 56%, 49%)
CMYKcmyk(55.6%, 29%, 0%, 51.4%)
CIE-LABlab(36.45, -0.74, -23.99)
CIE-LCHlch(36.45, 24.00, 268.23°)
OKLaboklab(45.15% -0.0224 -0.0673)
OKLCHoklch(45.15% 0.071 251.6)
XYZxyz(8.7021, 9.2462, 20.3910)
Luminance0.0925 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37587C #7C5B37
analogous
#377A7C #37587C #38377C
triadic
#37587C #7C3758 #587C37
tetradic
#37587C #7C377A #7C5B37 #377C38
square
#37587C #7C377A #7C5B37 #377C38
split-complementary
#37587C #7C3837 #7A7C37
monochromatic
#111C27 #243A52 #37587C #4A76A6 #6E95BF

Accessibility & contrast

On white

7.37
#37587C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.85
#37587C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37587C
7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37587C#FFFFFF#000000##FFFFFF
##37587C1.007.372.857.37
#FFFFFF7.371.0021.001.00
#0000002.8521.001.0021.00
##FFFFFF7.371.0021.001.00

Color blindness preview

Protanopia (red-blind)
#495A7E
Deuteranopia (green-blind)
#41537B
Tritanopia (blue-blind)
#0E6065
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #37587c;
/* rgb */ color: rgb(55, 88, 124);
/* oklch */ color: oklch(45.1% 0.071 251.6);
Tailwind
colors: {
  custom: {
    50: '#7387a2',
    500: '#37587c',
    950: '#000000',
  },
}
SCSS
$custom: #37587c;
$custom-light: #7387a2;
$custom-dark: #000000;
JSON
{
  "hex": "#37587c",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 124
  },
  "hsl": {
    "h": 211.304,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.45149,
    "c": 0.07093,
    "h": 251.6
  },
  "luminance": 0.09247
}

Semantic roles & 50–950 ramp

primary
#37587C
secondary
#A88967
accent
#9659CE
background
#F7F8F9
surface
#EDEFF2
border
#C8CACC
text
#080B0F
muted
#7B7C7E

Preview Lab

Preview with #37587C

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

Preview Lab → · Contrast checker → · Palette generator →

#37587C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva