#37419B#37419B

#37419B is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.1% C 0.145 H 273.6°. Best body text is #FFFFFF at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#37419B
RGB	rgb(55, 65, 155)
HSL	hsl(234, 48%, 41%)
HSV	hsv(234, 65%, 61%)
CMYK	cmyk(64.5%, 58.1%, 0%, 39.2%)
CIE-LAB	lab(31.71, 25.41, -50.50)
CIE-LCH	lch(31.71, 56.53, 296.70°)
OKLab	oklab(42.13% 0.0091 -0.1452)
OKLCH	oklch(42.13% 0.146 273.6)
XYZ	xyz(9.3803, 6.9586, 31.8528)
Luminance	0.0696 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37419B #9B9137

analogous

#37739B #37419B #5F379B

triadic

#37419B #9B3741 #419B37

tetradic

#37419B #9B3773 #9B9137 #379B5F

square

#37419B #9B3773 #9B9137 #379B5F

split-complementary

#37419B #9B5F37 #739B37

monochromatic

#171B41 #272E6E #37419B #4F5AC0 #7C84D0

Accessibility & contrast

On white

8.78

#37419B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#37419B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37419B

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37419B	#FFFFFF	#000000	##FFFFFF
##37419B	1.00	8.78	2.39	8.78
#FFFFFF	8.78	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004F9E

Deuteranopia (green-blind)

#004699

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37419b;
/* rgb */ color: rgb(55, 65, 155);
/* oklch */ color: oklch(42.1% 0.145 273.6);

Tailwind

colors: {
  custom: {
    50: '#7975b9',
    500: '#37419b',
    950: '#000000',
  },
}

SCSS

$custom: #37419b;
$custom-light: #7975b9;
$custom-dark: #000000;

JSON

{
  "hex": "#37419b",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 155
  },
  "hsl": {
    "h": 234,
    "s": 47.619,
    "l": 41.176
  },
  "oklch": {
    "l": 0.42128,
    "c": 0.1455,
    "h": 273.6
  },
  "luminance": 0.06959
}

Semantic roles & 50–950 ramp

primary

#37419B

secondary

#BAB374

accent

#CA51D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #37419B

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

Preview Lab → · Contrast checker → · Palette generator →