#37549E#37549E

#37549E is a mid, vivid blue. Relative luminance 0.096; OKLCH L 46.3% C 0.125 H 265.7°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#37549E
RGB	rgb(55, 84, 158)
HSL	hsl(223, 48%, 42%)
HSV	hsv(223, 65%, 62%)
CMYK	cmyk(65.2%, 46.8%, 0%, 38%)
CIE-LAB	lab(37.15, 13.93, -43.54)
CIE-LCH	lch(37.15, 45.71, 287.74°)
OKLab	oklab(46.31% -0.0094 -0.1245)
OKLCH	oklch(46.31% 0.125 265.7)
XYZ	xyz(10.9153, 9.6205, 33.6228)
Luminance	0.0962 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37549E #9E8137

analogous

#37889E #37549E #4E379E

triadic

#37549E #9E3754 #549E37

tetradic

#37549E #9E3788 #9E8137 #379E4E

square

#37549E #9E3788 #9E8137 #379E4E

split-complementary

#37549E #9E4E37 #889E37

monochromatic

#172443 #273C71 #37549E #5070C2 #7D95D2

Accessibility & contrast

On white

7.18

#37549E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#37549E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37549E

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37549E	#FFFFFF	#000000	##FFFFFF
##37549E	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#305CA1

Deuteranopia (green-blind)

#1D539C

Tritanopia (blue-blind)

#006571

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #37549e;
/* rgb */ color: rgb(55, 84, 158);
/* oklch */ color: oklch(46.3% 0.125 265.7);

Tailwind

colors: {
  custom: {
    50: '#7983bb',
    500: '#37549e',
    950: '#000000',
  },
}

SCSS

$custom: #37549e;
$custom-light: #7983bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37549e",
  "rgb": {
    "r": 55,
    "g": 84,
    "b": 158
  },
  "hsl": {
    "h": 223.107,
    "s": 48.357,
    "l": 41.765
  },
  "oklch": {
    "l": 0.46307,
    "c": 0.12483,
    "h": 265.7
  },
  "luminance": 0.09621
}

Semantic roles & 50–950 ramp

primary

#37549E

secondary

#BBA876

accent

#B250D8

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #37549E

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

Preview Lab → · Contrast checker → · Palette generator →