#37448D#37448D

#37448D is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.6% C 0.121 H 272.5°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#37448D
RGB	rgb(55, 68, 141)
HSL	hsl(231, 44%, 38%)
HSV	hsv(231, 61%, 55%)
CMYK	cmyk(61%, 51.8%, 0%, 44.7%)
CIE-LAB	lab(31.51, 18.38, -42.29)
CIE-LCH	lch(31.51, 46.11, 293.49°)
OKLab	oklab(41.65% 0.0053 -0.121)
OKLCH	oklch(41.65% 0.121 272.5)
XYZ	xyz(8.4488, 6.8689, 26.0747)
Luminance	0.0687 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37448D #8D8037

analogous

#376F8D #37448D #55378D

triadic

#37448D #8D3744 #448D37

tetradic

#37448D #8D376F #8D8037 #378D55

square

#37448D #8D376F #8D8037 #378D55

split-complementary

#37448D #8D5537 #6F8D37

monochromatic

#151A35 #262F61 #37448D #495AB8 #7582C9

Accessibility & contrast

On white

8.85

#37448D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#37448D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37448D

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37448D	#FFFFFF	#000000	##FFFFFF
##37448D	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4E90

Deuteranopia (green-blind)

#0A478B

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37448d;
/* rgb */ color: rgb(55, 68, 141);
/* oklch */ color: oklch(41.6% 0.121 272.5);

Tailwind

colors: {
  custom: {
    50: '#7677af',
    500: '#37448d',
    950: '#000000',
  },
}

SCSS

$custom: #37448d;
$custom-light: #7677af;
$custom-dark: #000000;

JSON

{
  "hex": "#37448d",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 141
  },
  "hsl": {
    "h": 230.93,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.4165,
    "c": 0.12112,
    "h": 272.5
  },
  "luminance": 0.0687
}

Semantic roles & 50–950 ramp

primary

#37448D

secondary

#B2A86E

accent

#C054D4

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37448D

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

Preview Lab → · Contrast checker → · Palette generator →