#37428D#37428D

#37428D is a dark, vivid blue. Relative luminance 0.066; OKLCH L 41.2% C 0.124 H 273.4°. Best body text is #FFFFFF at 9.03:1 contrast (WCAG AA passes).

Color values

HEX	#37428D
RGB	rgb(55, 66, 141)
HSL	hsl(232, 44%, 38%)
HSV	hsv(232, 61%, 55%)
CMYK	cmyk(61%, 53.2%, 0%, 44.7%)
CIE-LAB	lab(30.95, 19.72, -43.18)
CIE-LCH	lch(30.95, 47.47, 294.54°)
OKLab	oklab(41.23% 0.0074 -0.1237)
OKLCH	oklch(41.23% 0.124 273.4)
XYZ	xyz(8.3299, 6.6311, 26.0351)
Luminance	0.0663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37428D #8D8237

analogous

#376D8D #37428D #57378D

triadic

#37428D #8D3742 #428D37

tetradic

#37428D #8D376D #8D8237 #378D57

square

#37428D #8D376D #8D8237 #378D57

split-complementary

#37428D #8D5737 #6D8D37

monochromatic

#151935 #262D61 #37428D #4957B8 #7580C9

Accessibility & contrast

On white

9.03

#37428D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#37428D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37428D

9.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37428D	#FFFFFF	#000000	##FFFFFF
##37428D	1.00	9.03	2.33	9.03
#FFFFFF	9.03	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D90

Deuteranopia (green-blind)

#01458B

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #37428d;
/* rgb */ color: rgb(55, 66, 141);
/* oklch */ color: oklch(41.2% 0.124 273.4);

Tailwind

colors: {
  custom: {
    50: '#7676af',
    500: '#37428d',
    950: '#000000',
  },
}

SCSS

$custom: #37428d;
$custom-light: #7676af;
$custom-dark: #000000;

JSON

{
  "hex": "#37428d",
  "rgb": {
    "r": 55,
    "g": 66,
    "b": 141
  },
  "hsl": {
    "h": 232.326,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41232,
    "c": 0.12388,
    "h": 273.4
  },
  "luminance": 0.06632
}

Semantic roles & 50–950 ramp

primary

#37428D

secondary

#B2A96E

accent

#C354D4

background

#F7F7FA

surface

#EEEDF4

border

#C9C8CE

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37428D

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

Preview Lab → · Contrast checker → · Palette generator →