#37487C#37487C

#37487C is a dark, moderate blue. Relative luminance 0.069; OKLCH L 41.4% C 0.090 H 268.6°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#37487C
RGB	rgb(55, 72, 124)
HSL	hsl(225, 39%, 35%)
HSV	hsv(225, 56%, 49%)
CMYK	cmyk(55.6%, 41.9%, 0%, 51.4%)
CIE-LAB	lab(31.58, 9.65, -31.65)
CIE-LCH	lch(31.58, 33.09, 286.95°)
OKLab	oklab(41.36% -0.0022 -0.0897)
OKLCH	oklch(41.36% 0.09 268.6)
XYZ	xyz(7.5298, 6.9017, 20.0002)
Luminance	0.0690 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37487C #7C6B37

analogous

#376B7C #37487C #48377C

triadic

#37487C #7C3748 #487C37

tetradic

#37487C #7C376B #7C6B37 #377C48

square

#37487C #7C376B #7C6B37 #377C48

split-complementary

#37487C #7C4837 #6B7C37

monochromatic

#111727 #242F52 #37487C #4A61A6 #6E82BF

Accessibility & contrast

On white

8.82

#37487C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#37487C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37487C

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37487C	#FFFFFF	#000000	##FFFFFF
##37487C	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#334E7E

Deuteranopia (green-blind)

#2B477B

Tritanopia (blue-blind)

#14535C

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37487c;
/* rgb */ color: rgb(55, 72, 124);
/* oklch */ color: oklch(41.4% 0.090 268.6);

Tailwind

colors: {
  custom: {
    50: '#737aa2',
    500: '#37487c',
    950: '#000000',
  },
}

SCSS

$custom: #37487c;
$custom-light: #737aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#37487c",
  "rgb": {
    "r": 55,
    "g": 72,
    "b": 124
  },
  "hsl": {
    "h": 225.217,
    "s": 38.547,
    "l": 35.098
  },
  "oklch": {
    "l": 0.4136,
    "c": 0.08976,
    "h": 268.6
  },
  "luminance": 0.06902
}

Semantic roles & 50–950 ramp

primary

#37487C

secondary

#A89867

accent

#B259CE

background

#F7F7FA

surface

#EDEDF3

border

#C8C8CD

text

#08090F

muted

#7B7B7F

Preview Lab

Preview with #37487C

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

Preview Lab → · Contrast checker → · Palette generator →