#37488C#37488C

#37488C is a dark, moderate blue. Relative luminance 0.073; OKLCH L 42.4% C 0.114 H 270.4°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#37488C
RGB	rgb(55, 72, 140)
HSL	hsl(228, 44%, 38%)
HSV	hsv(228, 61%, 55%)
CMYK	cmyk(60.7%, 48.6%, 0%, 45.1%)
CIE-LAB	lab(32.57, 15.34, -39.97)
CIE-LCH	lch(32.57, 42.81, 291.00°)
OKLab	oklab(42.43% 0.0007 -0.1141)
OKLCH	oklch(42.43% 0.114 270.4)
XYZ	xyz(8.6250, 7.3397, 25.7681)
Luminance	0.0734 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37488C #8C7B37

analogous

#37728C #37488C #50378C

triadic

#37488C #8C3748 #488C37

tetradic

#37488C #8C3772 #8C7B37 #378C50

square

#37488C #8C3772 #8C7B37 #378C50

split-complementary

#37488C #8C5037 #728C37

monochromatic

#141B34 #263160 #37488C #495FB7 #7586C9

Accessibility & contrast

On white

8.51

#37488C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#37488C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37488C

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37488C	#FFFFFF	#000000	##FFFFFF
##37488C	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27518F

Deuteranopia (green-blind)

#19498B

Tritanopia (blue-blind)

#005763

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #37488c;
/* rgb */ color: rgb(55, 72, 140);
/* oklch */ color: oklch(42.4% 0.114 270.4);

Tailwind

colors: {
  custom: {
    50: '#767aae',
    500: '#37488c',
    950: '#000000',
  },
}

SCSS

$custom: #37488c;
$custom-light: #767aae;
$custom-dark: #000000;

JSON

{
  "hex": "#37488c",
  "rgb": {
    "r": 55,
    "g": 72,
    "b": 140
  },
  "hsl": {
    "h": 228,
    "s": 43.59,
    "l": 38.235
  },
  "oklch": {
    "l": 0.42434,
    "c": 0.11414,
    "h": 270.4
  },
  "luminance": 0.0734
}

Semantic roles & 50–950 ramp

primary

#37488C

secondary

#B1A46D

accent

#BA54D3

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#090910

muted

#7B7B7F

Preview Lab

Preview with #37488C

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

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