#37508C#37508C

#37508C is a dark, moderate blue. Relative luminance 0.084; OKLCH L 44.2% C 0.103 H 265.4°. Best body text is #FFFFFF at 7.81:1 contrast (WCAG AA passes).

Color values

HEX#37508C
RGBrgb(55, 80, 140)
HSLhsl(222, 44%, 38%)
HSVhsv(222, 61%, 55%)
CMYKcmyk(60.7%, 42.9%, 0%, 45.1%)
CIE-LABlab(34.89, 10.03, -36.27)
CIE-LCHlch(34.89, 37.63, 285.46°)
OKLaboklab(44.21% -0.0084 -0.1032)
OKLCHoklch(44.21% 0.104 265.4)
XYZxyz(9.1762, 8.4422, 25.9518)
Luminance0.0844 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37508C #8C7337
analogous
#377A8C #37508C #48378C
triadic
#37508C #8C3750 #508C37
tetradic
#37508C #8C377A #8C7337 #378C48
square
#37508C #8C377A #8C7337 #378C48
split-complementary
#37508C #8C4837 #7A8C37
monochromatic
#141E34 #263760 #37508C #4969B7 #758DC9

Accessibility & contrast

On white

7.81
#37508C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.69
#37508C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37508C
7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37508C#FFFFFF#000000##FFFFFF
##37508C1.007.812.697.81
#FFFFFF7.811.0021.001.00
#0000002.6921.001.0021.00
##FFFFFF7.811.0021.001.00

Color blindness preview

Protanopia (red-blind)
#36568E
Deuteranopia (green-blind)
#2A4E8B
Tritanopia (blue-blind)
#005D67
Achromatopsia (no color)
#525252

Design tokens & code

CSS
--color: #37508c;
/* rgb */ color: rgb(55, 80, 140);
/* oklch */ color: oklch(44.2% 0.103 265.4);
Tailwind
colors: {
  custom: {
    50: '#7580ae',
    500: '#37508c',
    950: '#000000',
  },
}
SCSS
$custom: #37508c;
$custom-light: #7580ae;
$custom-dark: #000000;
JSON
{
  "hex": "#37508c",
  "rgb": {
    "r": 55,
    "g": 80,
    "b": 140
  },
  "hsl": {
    "h": 222.353,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.4421,
    "c": 0.1035,
    "h": 265.4
  },
  "luminance": 0.08443
}

Semantic roles & 50–950 ramp

primary
#37508C
secondary
#B19D6D
accent
#AE54D3
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#090A10
muted
#7B7C7F

Preview Lab

Preview with #37508C

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

Preview Lab → · Contrast checker → · Palette generator →

#37508C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva