#37438F#37438F

#37438F is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.6% C 0.125 H 273.0°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#37438F
RGB	rgb(55, 67, 143)
HSL	hsl(232, 44%, 39%)
HSV	hsv(232, 62%, 56%)
CMYK	cmyk(61.5%, 53.1%, 0%, 43.9%)
CIE-LAB	lab(31.37, 19.76, -43.74)
CIE-LCH	lch(31.37, 48.00, 294.32°)
OKLab	oklab(41.59% 0.0065 -0.1253)
OKLCH	oklch(41.59% 0.125 273)
XYZ	xyz(8.5390, 6.8090, 26.8456)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37438F #8F8337

analogous

#376F8F #37438F #57378F

triadic

#37438F #8F3743 #438F37

tetradic

#37438F #8F376F #8F8337 #378F57

square

#37438F #8F376F #8F8337 #378F57

split-complementary

#37438F #8F5737 #6F8F37

monochromatic

#151A37 #262E63 #37438F #4A59B9 #7682CA

Accessibility & contrast

On white

8.89

#37438F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#37438F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37438F

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37438F	#FFFFFF	#000000	##FFFFFF
##37438F	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174E92

Deuteranopia (green-blind)

#00468D

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37438f;
/* rgb */ color: rgb(55, 67, 143);
/* oklch */ color: oklch(41.6% 0.125 273.0);

Tailwind

colors: {
  custom: {
    50: '#7776b0',
    500: '#37438f',
    950: '#000000',
  },
}

SCSS

$custom: #37438f;
$custom-light: #7776b0;
$custom-dark: #000000;

JSON

{
  "hex": "#37438f",
  "rgb": {
    "r": 55,
    "g": 67,
    "b": 143
  },
  "hsl": {
    "h": 231.818,
    "s": 44.444,
    "l": 38.824
  },
  "oklch": {
    "l": 0.4159,
    "c": 0.12546,
    "h": 273
  },
  "luminance": 0.0681
}

Semantic roles & 50–950 ramp

primary

#37438F

secondary

#B3AA6F

accent

#C354D4

background

#F7F7FA

surface

#EEEDF5

border

#C9C8CF

text

#090810

muted

#7B7B7F

Preview Lab

Preview with #37438F

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

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