#37528C#37528C

#37528C is a dark, moderate blue. Relative luminance 0.087; OKLCH L 44.7% C 0.101 H 263.9°. Best body text is #FFFFFF at 7.64:1 contrast (WCAG AA passes).

Color values

HEX#37528C
RGBrgb(55, 82, 140)
HSLhsl(221, 44%, 38%)
HSVhsv(221, 61%, 55%)
CMYKcmyk(60.7%, 41.4%, 0%, 45.1%)
CIE-LABlab(35.48, 8.72, -35.33)
CIE-LCHlch(35.48, 36.39, 283.86°)
OKLaboklab(44.67% -0.0107 -0.1004)
OKLCHoklch(44.67% 0.101 263.9)
XYZxyz(9.3248, 8.7395, 26.0013)
Luminance0.0874 (WCAG relative)
Temperaturecool
Familyblue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#37528C #8C7137
analogous
#377C8C #37528C #46378C
triadic
#37528C #8C3752 #528C37
tetradic
#37528C #8C377C #8C7137 #378C46
square
#37528C #8C377C #8C7137 #378C46
split-complementary
#37528C #8C4637 #7C8C37
monochromatic
#141F34 #263860 #37528C #496CB7 #758FC9

Accessibility & contrast

On white

7.64
#37528C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

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

Best text color

#FFFFFF on #37528C
7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##37528C#FFFFFF#000000##FFFFFF
##37528C1.007.642.757.64
#FFFFFF7.641.0021.001.00
#0000002.7521.001.0021.00
##FFFFFF7.641.0021.001.00

Color blindness preview

Protanopia (red-blind)
#39588E
Deuteranopia (green-blind)
#2E508B
Tritanopia (blue-blind)
#005F68
Achromatopsia (no color)
#535353

Design tokens & code

CSS
--color: #37528c;
/* rgb */ color: rgb(55, 82, 140);
/* oklch */ color: oklch(44.7% 0.101 263.9);
Tailwind
colors: {
  custom: {
    50: '#7582ae',
    500: '#37528c',
    950: '#000000',
  },
}
SCSS
$custom: #37528c;
$custom-light: #7582ae;
$custom-dark: #000000;
JSON
{
  "hex": "#37528c",
  "rgb": {
    "r": 55,
    "g": 82,
    "b": 140
  },
  "hsl": {
    "h": 220.941,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.44666,
    "c": 0.10095,
    "h": 263.9
  },
  "luminance": 0.0874
}

Semantic roles & 50–950 ramp

primary
#37528C
secondary
#B19C6D
accent
#AB54D3
background
#F7F7FA
surface
#EDEEF4
border
#C8C9CE
text
#090A10
muted
#7B7C7F

Preview Lab

Preview with #37528C

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

Preview Lab → · Contrast checker → · Palette generator →

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