#37448C#37448C

#37448C is a dark, moderate blue. Relative luminance 0.068; OKLCH L 41.6% C 0.120 H 272.5°. Best body text is #FFFFFF at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#37448C
RGB	rgb(55, 68, 140)
HSL	hsl(231, 44%, 38%)
HSV	hsv(231, 61%, 55%)
CMYK	cmyk(60.7%, 51.4%, 0%, 45.1%)
CIE-LAB	lab(31.44, 18.02, -41.79)
CIE-LCH	lch(31.44, 45.50, 293.32°)
OKLab	oklab(41.58% 0.0052 -0.1195)
OKLCH	oklch(41.58% 0.12 272.5)
XYZ	xyz(8.3747, 6.8393, 25.6846)
Luminance	0.0684 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37448C #8C7F37

analogous

#376E8C #37448C #54378C

triadic

#37448C #8C3744 #448C37

tetradic

#37448C #8C376E #8C7F37 #378C54

square

#37448C #8C376E #8C7F37 #378C54

split-complementary

#37448C #8C5437 #6E8C37

monochromatic

#141934 #262F60 #37448C #495AB7 #7582C9

Accessibility & contrast

On white

8.87

#37448C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#37448C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37448C

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37448C	#FFFFFF	#000000	##FFFFFF
##37448C	1.00	8.87	2.37	8.87
#FFFFFF	8.87	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4E8F

Deuteranopia (green-blind)

#0D468A

Tritanopia (blue-blind)

#005461

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37448c;
/* rgb */ color: rgb(55, 68, 140);
/* oklch */ color: oklch(41.6% 0.120 272.5);

Tailwind

colors: {
  custom: {
    50: '#7677ae',
    500: '#37448c',
    950: '#000000',
  },
}

SCSS

$custom: #37448c;
$custom-light: #7677ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37448c",
  "rgb": {
    "r": 55,
    "g": 68,
    "b": 140
  },
  "hsl": {
    "h": 230.824,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.41577,
    "c": 0.11963,
    "h": 272.5
  },
  "luminance": 0.0684
}

Semantic roles & 50–950 ramp

primary

#37448C

secondary

#B1A76D

accent

#C054D3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37448C

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

Preview Lab → · Contrast checker → · Palette generator →