#37458C#37458C

#37458C is a dark, moderate blue. Relative luminance 0.070; OKLCH L 41.8% C 0.118 H 272.0°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#37458C
RGB	rgb(55, 69, 140)
HSL	hsl(230, 44%, 38%)
HSV	hsv(230, 61%, 55%)
CMYK	cmyk(60.7%, 50.7%, 0%, 45.1%)
CIE-LAB	lab(31.72, 17.35, -41.34)
CIE-LCH	lch(31.72, 44.83, 292.77°)
OKLab	oklab(41.79% 0.0041 -0.1182)
OKLCH	oklch(41.79% 0.118 272)
XYZ	xyz(8.4357, 6.9613, 25.7050)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37458C #8C7E37

analogous

#376F8C #37458C #53378C

triadic

#37458C #8C3745 #458C37

tetradic

#37458C #8C376F #8C7E37 #378C53

square

#37458C #8C376F #8C7E37 #378C53

split-complementary

#37458C #8C5337 #6F8C37

monochromatic

#141A34 #262F60 #37458C #495BB7 #7583C9

Accessibility & contrast

On white

8.78

#37458C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#37458C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37458C

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37458C	#FFFFFF	#000000	##FFFFFF
##37458C	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204F8F

Deuteranopia (green-blind)

#11478B

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37458c;
/* rgb */ color: rgb(55, 69, 140);
/* oklch */ color: oklch(41.8% 0.118 272.0);

Tailwind

colors: {
  custom: {
    50: '#7678ae',
    500: '#37458c',
    950: '#000000',
  },
}

SCSS

$custom: #37458c;
$custom-light: #7678ae;
$custom-dark: #000000;

JSON

{
  "hex": "#37458c",
  "rgb": {
    "r": 55,
    "g": 69,
    "b": 140
  },
  "hsl": {
    "h": 230.118,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.41789,
    "c": 0.11826,
    "h": 272
  },
  "luminance": 0.06962
}

Semantic roles & 50–950 ramp

primary

#37458C

secondary

#B1A66D

accent

#BE54D3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37458C

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

Preview Lab → · Contrast checker → · Palette generator →