#37557A#37557A

#37557A is a dark, moderate cyan. Relative luminance 0.087; OKLCH L 44.3% C 0.071 H 254.3°. Best body text is #FFFFFF at 7.66:1 contrast (WCAG AA passes).

Color values

HEX#37557A
RGBrgb(55, 85, 122)
HSLhsl(213, 38%, 35%)
HSVhsv(213, 55%, 48%)
CMYKcmyk(54.9%, 30.3%, 0%, 52.2%)
CIE-LABlab(35.43, 0.48, -24.36)
CIE-LCHlch(35.43, 24.36, 271.12°)
OKLaboklab(44.31% -0.0192 -0.0684)
OKLCHoklch(44.31% 0.071 254.3)
XYZxyz(8.3357, 8.7137, 19.6512)
Luminance0.0871 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37557A #7A5C37
analogous
#37777A #37557A #3A377A
triadic
#37557A #7A3755 #557A37
tetradic
#37557A #7A3777 #7A5C37 #377A3A
square
#37557A #7A3777 #7A5C37 #377A3A
split-complementary
#37557A #7A3A37 #777A37
monochromatic
#111A26 #243850 #37557A #4A72A4 #6E92BE

Accessibility & contrast

On white

7.66
#37557A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.74
#37557A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37557A
7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37557A#FFFFFF#000000##FFFFFF
##37557A1.007.662.747.66
#FFFFFF7.661.0021.001.00
#0000002.7421.001.0021.00
##FFFFFF7.661.0021.001.00

Color blindness preview

Protanopia (red-blind)
#46577C
Deuteranopia (green-blind)
#3E5079
Tritanopia (blue-blind)
#125D62
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #37557a;
/* rgb */ color: rgb(55, 85, 122);
/* oklch */ color: oklch(44.3% 0.071 254.3);
Tailwind
colors: {
  custom: {
    50: '#7384a0',
    500: '#37557a',
    950: '#000000',
  },
}
SCSS
$custom: #37557a;
$custom-light: #7384a0;
$custom-dark: #000000;
JSON
{
  "hex": "#37557a",
  "rgb": {
    "r": 55,
    "g": 85,
    "b": 122
  },
  "hsl": {
    "h": 213.134,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.44312,
    "c": 0.07105,
    "h": 254.3
  },
  "luminance": 0.08714
}

Semantic roles & 50–950 ramp

primary
#37557A
secondary
#A68A66
accent
#9A5ACE
background
#F7F8F9
surface
#EDEFF2
border
#C8CACC
text
#080A0E
muted
#7B7C7E

Preview Lab

Preview with #37557A

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

Preview Lab → · Contrast checker → · Palette generator →

#37557A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva