#37539E#37539E

#37539E is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.1% C 0.126 H 266.2°. Best body text is #FFFFFF at 7.26:1 contrast (WCAG AA passes).

Color values

HEX	#37539E
RGB	rgb(55, 83, 158)
HSL	hsl(224, 48%, 42%)
HSV	hsv(224, 65%, 62%)
CMYK	cmyk(65.2%, 47.5%, 0%, 38%)
CIE-LAB	lab(36.87, 14.59, -44.00)
CIE-LCH	lch(36.87, 46.35, 288.34°)
OKLab	oklab(46.09% -0.0084 -0.1258)
OKLCH	oklch(46.09% 0.126 266.2)
XYZ	xyz(10.8382, 9.4664, 33.5971)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37539E #9E8237

analogous

#37879E #37539E #4E379E

triadic

#37539E #9E3753 #539E37

tetradic

#37539E #9E3787 #9E8237 #379E4E

square

#37539E #9E3787 #9E8237 #379E4E

split-complementary

#37539E #9E4E37 #879E37

monochromatic

#172343 #273B71 #37539E #506FC2 #7D94D2

Accessibility & contrast

On white

7.26

#37539E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#37539E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37539E

7.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37539E	#FFFFFF	#000000	##FFFFFF
##37539E	1.00	7.26	2.89	7.26
#FFFFFF	7.26	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E5CA1

Deuteranopia (green-blind)

#1A529C

Tritanopia (blue-blind)

#006471

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #37539e;
/* rgb */ color: rgb(55, 83, 158);
/* oklch */ color: oklch(46.1% 0.126 266.2);

Tailwind

colors: {
  custom: {
    50: '#7982bb',
    500: '#37539e',
    950: '#000000',
  },
}

SCSS

$custom: #37539e;
$custom-light: #7982bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37539e",
  "rgb": {
    "r": 55,
    "g": 83,
    "b": 158
  },
  "hsl": {
    "h": 223.689,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46089,
    "c": 0.12611,
    "h": 266.2
  },
  "luminance": 0.09467
}

Semantic roles & 50–950 ramp

primary

#37539E

secondary

#BBA876

accent

#B350D8

background

#F7F7FB

surface

#EEEEF6

border

#C9C9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #37539E

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

Preview Lab → · Contrast checker → · Palette generator →