#37419A#37419A

#37419A is a dark, vivid blue. Relative luminance 0.069; OKLCH L 42.0% C 0.144 H 273.6°. Best body text is #FFFFFF at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#37419A
RGB	rgb(55, 65, 154)
HSL	hsl(234, 47%, 41%)
HSV	hsv(234, 64%, 60%)
CMYK	cmyk(64.3%, 57.8%, 0%, 39.6%)
CIE-LAB	lab(31.64, 25.05, -50.02)
CIE-LCH	lch(31.64, 55.94, 296.60°)
OKLab	oklab(42.05% 0.0091 -0.1438)
OKLCH	oklch(42.05% 0.144 273.6)
XYZ	xyz(9.2966, 6.9251, 31.4124)
Luminance	0.0693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37419A #9A9037

analogous

#37729A #37419A #5E379A

triadic

#37419A #9A3741 #419A37

tetradic

#37419A #9A3772 #9A9037 #379A5E

square

#37419A #9A3772 #9A9037 #379A5E

split-complementary

#37419A #9A5E37 #729A37

monochromatic

#171B40 #272E6D #37419A #4E5AC0 #7B84D0

Accessibility & contrast

On white

8.80

#37419A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#37419A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37419A

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37419A	#FFFFFF	#000000	##FFFFFF
##37419A	1.00	8.80	2.39	8.80
#FFFFFF	8.80	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9D

Deuteranopia (green-blind)

#004698

Tritanopia (blue-blind)

#005667

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #37419a;
/* rgb */ color: rgb(55, 65, 154);
/* oklch */ color: oklch(42.0% 0.144 273.6);

Tailwind

colors: {
  custom: {
    50: '#7975b8',
    500: '#37419a',
    950: '#000000',
  },
}

SCSS

$custom: #37419a;
$custom-light: #7975b8;
$custom-dark: #000000;

JSON

{
  "hex": "#37419a",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 154
  },
  "hsl": {
    "h": 233.939,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42047,
    "c": 0.14408,
    "h": 273.6
  },
  "luminance": 0.06926
}

Semantic roles & 50–950 ramp

primary

#37419A

secondary

#B9B274

accent

#C951D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #37419A

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

Preview Lab → · Contrast checker → · Palette generator →