#37489A#37489A

#37489A is a dark, vivid blue. Relative luminance 0.078; OKLCH L 43.5% C 0.135 H 271.0°. Best body text is #FFFFFF at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#37489A
RGB	rgb(55, 72, 154)
HSL	hsl(230, 47%, 41%)
HSV	hsv(230, 64%, 60%)
CMYK	cmyk(64.3%, 53.2%, 0%, 39.6%)
CIE-LAB	lab(33.52, 20.41, -46.98)
CIE-LCH	lch(33.52, 51.22, 293.48°)
OKLab	oklab(43.46% 0.0023 -0.1347)
OKLCH	oklch(43.46% 0.135 271)
XYZ	xyz(9.7237, 7.7792, 31.5547)
Luminance	0.0778 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37489A #9A8937

analogous

#37799A #37489A #57379A

triadic

#37489A #9A3748 #489A37

tetradic

#37489A #9A3779 #9A8937 #379A57

square

#37489A #9A3779 #9A8937 #379A57

split-complementary

#37489A #9A5737 #799A37

monochromatic

#171E40 #27336D #37489A #4E62C0 #7B8AD0

Accessibility & contrast

On white

8.22

#37489A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.56

#37489A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37489A

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37489A	#FFFFFF	#000000	##FFFFFF
##37489A	1.00	8.22	2.56	8.22
#FFFFFF	8.22	1.00	21.00	1.00
#000000	2.56	21.00	1.00	21.00
##FFFFFF	8.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16539D

Deuteranopia (green-blind)

#004B98

Tritanopia (blue-blind)

#005B6A

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #37489a;
/* rgb */ color: rgb(55, 72, 154);
/* oklch */ color: oklch(43.5% 0.135 271.0);

Tailwind

colors: {
  custom: {
    50: '#787ab8',
    500: '#37489a',
    950: '#000000',
  },
}

SCSS

$custom: #37489a;
$custom-light: #787ab8;
$custom-dark: #000000;

JSON

{
  "hex": "#37489a",
  "rgb": {
    "r": 55,
    "g": 72,
    "b": 154
  },
  "hsl": {
    "h": 229.697,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.43459,
    "c": 0.13476,
    "h": 271
  },
  "luminance": 0.0778
}

Semantic roles & 50–950 ramp

primary

#37489A

secondary

#B9AD74

accent

#C051D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0911

muted

#7C7B80

Preview Lab

Preview with #37489A

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

Preview Lab → · Contrast checker → · Palette generator →