#37477A#37477A

#37477A is a dark, moderate blue. Relative luminance 0.067; OKLCH L 41.0% C 0.088 H 269.1°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX#37477A
RGBrgb(55, 71, 122)
HSLhsl(226, 38%, 35%)
HSVhsv(226, 55%, 48%)
CMYKcmyk(54.9%, 41.8%, 0%, 52.2%)
CIE-LABlab(31.17, 9.62, -31.06)
CIE-LCHlch(31.17, 32.51, 287.20°)
OKLaboklab(41% -0.0013 -0.088)
OKLCHoklch(41% 0.088 269.1)
XYZxyz(7.3405, 6.7233, 19.3195)
Luminance0.0672 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37477A #7A6A37
analogous
#37687A #37477A #49377A
triadic
#37477A #7A3747 #477A37
tetradic
#37477A #7A3768 #7A6A37 #377A49
square
#37477A #7A3768 #7A6A37 #377A49
split-complementary
#37477A #7A4937 #687A37
monochromatic
#111626 #242E50 #37477A #4A60A4 #6E81BE

Accessibility & contrast

On white

8.96
#37477A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.34
#37477A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37477A
8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37477A#FFFFFF#000000##FFFFFF
##37477A1.008.962.348.96
#FFFFFF8.961.0021.001.00
#0000002.3421.001.0021.00
##FFFFFF8.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#324C7C
Deuteranopia (green-blind)
#2B4779
Tritanopia (blue-blind)
#17525A
Achromatopsia (no color)
#494949

Design tokens & code

CSS
--color: #37477a;
/* rgb */ color: rgb(55, 71, 122);
/* oklch */ color: oklch(41.0% 0.088 269.1);
Tailwind
colors: {
  custom: {
    50: '#7379a1',
    500: '#37477a',
    950: '#000000',
  },
}
SCSS
$custom: #37477a;
$custom-light: #7379a1;
$custom-dark: #000000;
JSON
{
  "hex": "#37477a",
  "rgb": {
    "r": 55,
    "g": 71,
    "b": 122
  },
  "hsl": {
    "h": 225.672,
    "s": 37.853,
    "l": 34.706
  },
  "oklch": {
    "l": 0.41004,
    "c": 0.08802,
    "h": 269.1
  },
  "luminance": 0.06724
}

Semantic roles & 50–950 ramp

primary
#37477A
secondary
#A69766
accent
#B25ACE
background
#F7F7F9
surface
#EDEDF2
border
#C8C8CC
text
#08090F
muted
#7B7B7E

Preview Lab

Preview with #37477A

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

Preview Lab → · Contrast checker → · Palette generator →

#37477A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva