#37587A#37587A

#37587A is a mid, moderate cyan. Relative luminance 0.092; OKLCH L 45.0% C 0.068 H 250.2°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX#37587A
RGBrgb(55, 88, 122)
HSLhsl(210, 38%, 35%)
HSVhsv(210, 55%, 48%)
CMYKcmyk(54.9%, 27.9%, 0%, 52.2%)
CIE-LABlab(36.36, -1.42, -22.90)
CIE-LCHlch(36.36, 22.95, 266.46°)
OKLaboklab(45.04% -0.023 -0.0642)
OKLCHoklch(45.04% 0.068 250.2)
XYZxyz(8.5769, 9.1961, 19.7316)
Luminance0.0920 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37587A #7A5937
analogous
#377A7A #37587A #38377A
triadic
#37587A #7A3758 #587A37
tetradic
#37587A #7A377A #7A5937 #377A38
square
#37587A #7A377A #7A5937 #377A38
split-complementary
#37587A #7A3837 #7A7A37
monochromatic
#111B26 #243A50 #37587A #4A76A4 #6E95BE

Accessibility & contrast

On white

7.40
#37587A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.84
#37587A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37587A
7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37587A#FFFFFF#000000##FFFFFF
##37587A1.007.402.847.40
#FFFFFF7.401.0021.001.00
#0000002.8421.001.0021.00
##FFFFFF7.401.0021.001.00

Color blindness preview

Protanopia (red-blind)
#4A597C
Deuteranopia (green-blind)
#415379
Tritanopia (blue-blind)
#116064
Achromatopsia (no color)
#565656

Design tokens & code

CSS
--color: #37587a;
/* rgb */ color: rgb(55, 88, 122);
/* oklch */ color: oklch(45.0% 0.068 250.2);
Tailwind
colors: {
  custom: {
    50: '#7387a0',
    500: '#37587a',
    950: '#000000',
  },
}
SCSS
$custom: #37587a;
$custom-light: #7387a0;
$custom-dark: #000000;
JSON
{
  "hex": "#37587a",
  "rgb": {
    "r": 55,
    "g": 88,
    "b": 122
  },
  "hsl": {
    "h": 210.448,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.45044,
    "c": 0.0682,
    "h": 250.2
  },
  "luminance": 0.09197
}

Semantic roles & 50–950 ramp

primary
#37587A
secondary
#A68766
accent
#955ACE
background
#F7F8F9
surface
#EDEFF2
border
#C8CACC
text
#080B0E
muted
#7B7C7E

Preview Lab

Preview with #37587A

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

Preview Lab → · Contrast checker → · Palette generator →

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