#37449D#37449D

#37449D is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.144 H 272.5°. Best body text is #FFFFFF at 8.48:1 contrast (WCAG AA passes).

Color values

HEX	#37449D
RGB	rgb(55, 68, 157)
HSL	hsl(232, 48%, 42%)
HSV	hsv(232, 65%, 62%)
CMYK	cmyk(65%, 56.7%, 0%, 38.4%)
CIE-LAB	lab(32.66, 24.14, -50.19)
CIE-LCH	lch(32.66, 55.69, 295.69°)
OKLab	oklab(42.88% 0.0064 -0.1442)
OKLCH	oklch(42.88% 0.144 272.5)
XYZ	xyz(9.7264, 7.3799, 32.8037)
Luminance	0.0738 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37449D #9D9037

analogous

#37779D #37449D #5D379D

triadic

#37449D #9D3744 #449D37

tetradic

#37449D #9D3777 #9D9037 #379D5D

square

#37449D #9D3777 #9D9037 #379D5D

split-complementary

#37449D #9D5D37 #779D37

monochromatic

#171D42 #273070 #37449D #505EC2 #7D88D1

Accessibility & contrast

On white

8.48

#37449D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#37449D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37449D

8.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37449D	#FFFFFF	#000000	##FFFFFF
##37449D	1.00	8.48	2.48	8.48
#FFFFFF	8.48	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0051A0

Deuteranopia (green-blind)

#00489B

Tritanopia (blue-blind)

#005969

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #37449d;
/* rgb */ color: rgb(55, 68, 157);
/* oklch */ color: oklch(42.9% 0.144 272.5);

Tailwind

colors: {
  custom: {
    50: '#7977bb',
    500: '#37449d',
    950: '#000000',
  },
}

SCSS

$custom: #37449d;
$custom-light: #7977bb;
$custom-dark: #000000;

JSON

{
  "hex": "#37449d",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 157
  },
  "hsl": {
    "h": 232.353,
    "s": 48.113,
    "l": 41.569
  },
  "oklch": {
    "l": 0.42881,
    "c": 0.14438,
    "h": 272.5
  },
  "luminance": 0.07381
}

Semantic roles & 50–950 ramp

primary

#37449D

secondary

#BBB275

accent

#C650D8

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #37449D

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

Preview Lab → · Contrast checker → · Palette generator →