#37528D#37528D

#37528D is a dark, moderate blue. Relative luminance 0.088; OKLCH L 44.7% C 0.102 H 264.1°. Best body text is #FFFFFF at 7.63:1 contrast (WCAG AA passes).

Color values

HEX#37528D
RGBrgb(55, 82, 141)
HSLhsl(221, 44%, 38%)
HSVhsv(221, 61%, 55%)
CMYKcmyk(61%, 41.8%, 0%, 44.7%)
CIE-LABlab(35.54, 9.08, -35.84)
CIE-LCHlch(35.54, 36.98, 284.21°)
OKLaboklab(44.73% -0.0104 -0.1019)
OKLCHoklch(44.73% 0.102 264.1)
XYZxyz(9.3989, 8.7691, 26.3914)
Luminance0.0877 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37528D #8D7237
analogous
#377D8D #37528D #47378D
triadic
#37528D #8D3752 #528D37
tetradic
#37528D #8D377D #8D7237 #378D47
square
#37528D #8D377D #8D7237 #378D47
split-complementary
#37528D #8D4737 #7D8D37
monochromatic
#151F35 #263861 #37528D #496CB8 #7590C9

Accessibility & contrast

On white

7.63
#37528D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.75
#37528D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37528D
7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37528D#FFFFFF#000000##FFFFFF
##37528D1.007.632.757.63
#FFFFFF7.631.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.631.0021.001.00

Color blindness preview

Protanopia (red-blind)
#38588F
Deuteranopia (green-blind)
#2D508C
Tritanopia (blue-blind)
#005F68
Achromatopsia (no color)
#545454

Design tokens & code

CSS
--color: #37528d;
/* rgb */ color: rgb(55, 82, 141);
/* oklch */ color: oklch(44.7% 0.102 264.1);
Tailwind
colors: {
  custom: {
    50: '#7682af',
    500: '#37528d',
    950: '#000000',
  },
}
SCSS
$custom: #37528d;
$custom-light: #7682af;
$custom-dark: #000000;
JSON
{
  "hex": "#37528d",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 141
  },
  "hsl": {
    "h": 221.163,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44729,
    "c": 0.10243,
    "h": 264.1
  },
  "luminance": 0.0877
}

Semantic roles & 50–950 ramp

primary
#37528D
secondary
#B29D6E
accent
#AC54D4
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#090A10
muted
#7B7C7F

Preview Lab

Preview with #37528D

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

Preview Lab → · Contrast checker → · Palette generator →

#37528D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva