#37448F#37448F

#37448F is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.8% C 0.124 H 272.5°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#37448F
RGB	rgb(55, 68, 143)
HSL	hsl(231, 44%, 39%)
HSV	hsv(231, 62%, 56%)
CMYK	cmyk(61.5%, 52.4%, 0%, 43.9%)
CIE-LAB	lab(31.64, 19.10, -43.30)
CIE-LCH	lch(31.64, 47.32, 293.80°)
OKLab	oklab(41.8% 0.0055 -0.124)
OKLCH	oklch(41.8% 0.124 272.5)
XYZ	xyz(8.5990, 6.9290, 26.8656)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37448F #8F8237

analogous

#37708F #37448F #56378F

triadic

#37448F #8F3744 #448F37

tetradic

#37448F #8F3770 #8F8237 #378F56

square

#37448F #8F3770 #8F8237 #378F56

split-complementary

#37448F #8F5637 #708F37

monochromatic

#151A37 #262F63 #37448F #4A5AB9 #7683CA

Accessibility & contrast

On white

8.80

#37448F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#37448F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37448F

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37448F	#FFFFFF	#000000	##FFFFFF
##37448F	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4E92

Deuteranopia (green-blind)

#04478D

Tritanopia (blue-blind)

#005563

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37448f;
/* rgb */ color: rgb(55, 68, 143);
/* oklch */ color: oklch(41.8% 0.124 272.5);

Tailwind

colors: {
  custom: {
    50: '#7777b0',
    500: '#37448f',
    950: '#000000',
  },
}

SCSS

$custom: #37448f;
$custom-light: #7777b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37448f",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 143
  },
  "hsl": {
    "h": 231.136,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41799,
    "c": 0.12409,
    "h": 272.5
  },
  "luminance": 0.0693
}

Semantic roles & 50–950 ramp

primary

#37448F

secondary

#B3A96F

accent

#C154D4

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37448F

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

Preview Lab → · Contrast checker → · Palette generator →