#37428F#37428F

#37428F is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.4% C 0.127 H 273.4°. Best body text is #FFFFFF at 8.98:1 contrast (WCAG AA passes).

Color values

HEX	#37428F
RGB	rgb(55, 66, 143)
HSL	hsl(233, 44%, 39%)
HSV	hsv(233, 62%, 56%)
CMYK	cmyk(61.5%, 53.8%, 0%, 43.9%)
CIE-LAB	lab(31.09, 20.43, -44.18)
CIE-LCH	lch(31.09, 48.68, 294.82°)
OKLab	oklab(41.38% 0.0076 -0.1266)
OKLCH	oklch(41.38% 0.127 273.4)
XYZ	xyz(8.4801, 6.6912, 26.8259)
Luminance	0.0669 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37428F #8F8437

analogous

#376E8F #37428F #58378F

triadic

#37428F #8F3742 #428F37

tetradic

#37428F #8F376E #8F8437 #378F58

square

#37428F #8F376E #8F8437 #378F58

split-complementary

#37428F #8F5837 #6E8F37

monochromatic

#151937 #262E63 #37428F #4A58B9 #7681CA

Accessibility & contrast

On white

8.98

#37428F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#37428F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37428F

8.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37428F	#FFFFFF	#000000	##FFFFFF
##37428F	1.00	8.98	2.34	8.98
#FFFFFF	8.98	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#144D92

Deuteranopia (green-blind)

#00458D

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #37428f;
/* rgb */ color: rgb(55, 66, 143);
/* oklch */ color: oklch(41.4% 0.127 273.4);

Tailwind

colors: {
  custom: {
    50: '#7776b0',
    500: '#37428f',
    950: '#000000',
  },
}

SCSS

$custom: #37428f;
$custom-light: #7776b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37428f",
  "rgb": {
    "r": 55,
    "g": 66,
    "b": 143
  },
  "hsl": {
    "h": 232.5,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.41383,
    "c": 0.12684,
    "h": 273.4
  },
  "luminance": 0.06692
}

Semantic roles & 50–950 ramp

primary

#37428F

secondary

#B3AB6F

accent

#C454D4

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37428F

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

Preview Lab → · Contrast checker → · Palette generator →