#37518D#37518D

#37518D is a dark, moderate blue. Relative luminance 0.086; OKLCH L 44.5% C 0.104 H 264.9°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#37518D
RGB	rgb(55, 81, 141)
HSL	hsl(222, 44%, 38%)
HSV	hsv(222, 61%, 55%)
CMYK	cmyk(61%, 42.6%, 0%, 44.7%)
CIE-LAB	lab(35.24, 9.73, -36.31)
CIE-LCH	lch(35.24, 37.60, 285.01°)
OKLab	oklab(44.5% -0.0093 -0.1033)
OKLCH	oklch(44.5% 0.104 264.9)
XYZ	xyz(9.3241, 8.6194, 26.3665)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37518D #8D7337

analogous

#377C8D #37518D #48378D

triadic

#37518D #8D3751 #518D37

tetradic

#37518D #8D377C #8D7337 #378D48

square

#37518D #8D377C #8D7337 #378D48

split-complementary

#37518D #8D4837 #7C8D37

monochromatic

#151E35 #263861 #37518D #496BB8 #758FC9

Accessibility & contrast

On white

7.71

#37518D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#37518D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37518D

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37518D	#FFFFFF	#000000	##FFFFFF
##37518D	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37578F

Deuteranopia (green-blind)

#2B4F8C

Tritanopia (blue-blind)

#005E68

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #37518d;
/* rgb */ color: rgb(55, 81, 141);
/* oklch */ color: oklch(44.5% 0.104 264.9);

Tailwind

colors: {
  custom: {
    50: '#7681af',
    500: '#37518d',
    950: '#000000',
  },
}

SCSS

$custom: #37518d;
$custom-light: #7681af;
$custom-dark: #000000;

JSON

{
  "hex": "#37518d",
  "rgb": {
    "r": 55,
    "g": 81,
    "b": 141
  },
  "hsl": {
    "h": 221.86,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44502,
    "c": 0.10371,
    "h": 264.9
  },
  "luminance": 0.0862
}

Semantic roles & 50–950 ramp

primary

#37518D

secondary

#B29D6E

accent

#AD54D4

background

#F7F7FA

surface

#EDEEF4

border

#C8C9CE

text

#090A10

muted

#7B7C7F

Preview Lab

Preview with #37518D

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

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