#37478E#37478E

#37478E is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.4% C 0.118 H 271.0°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#37478E
RGB	rgb(55, 71, 142)
HSL	hsl(229, 44%, 39%)
HSV	hsv(229, 61%, 56%)
CMYK	cmyk(61.3%, 50%, 0%, 44.3%)
CIE-LAB	lab(32.42, 16.73, -41.44)
CIE-LCH	lch(32.42, 44.69, 291.98°)
OKLab	oklab(42.36% 0.0021 -0.1185)
OKLCH	oklch(42.36% 0.119 271)
XYZ	xyz(8.7096, 7.2710, 26.5304)
Luminance	0.0727 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37478E #8E7E37

analogous

#37728E #37478E #52378E

triadic

#37478E #8E3747 #478E37

tetradic

#37478E #8E3772 #8E7E37 #378E52

square

#37478E #8E3772 #8E7E37 #378E52

split-complementary

#37478E #8E5237 #728E37

monochromatic

#151B36 #263162 #37478E #495EB9 #7685CA

Accessibility & contrast

On white

8.56

#37478E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#37478E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37478E

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37478E	#FFFFFF	#000000	##FFFFFF
##37478E	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235091

Deuteranopia (green-blind)

#13498D

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #37478e;
/* rgb */ color: rgb(55, 71, 142);
/* oklch */ color: oklch(42.4% 0.118 271.0);

Tailwind

colors: {
  custom: {
    50: '#7679af',
    500: '#37478e',
    950: '#000000',
  },
}

SCSS

$custom: #37478e;
$custom-light: #7679af;
$custom-dark: #000000;

JSON

{
  "hex": "#37478e",
  "rgb": {
    "r": 55,
    "g": 71,
    "b": 142
  },
  "hsl": {
    "h": 228.966,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.42361,
    "c": 0.1185,
    "h": 271
  },
  "luminance": 0.07272
}

Semantic roles & 50–950 ramp

primary

#37478E

secondary

#B3A66E

accent

#BC54D4

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #37478E

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

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