#37419F#37419F

#37419F is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.5% C 0.151 H 273.5°. Best body text is #FFFFFF at 8.68:1 contrast (WCAG AA passes).

Color values

HEX	#37419F
RGB	rgb(55, 65, 159)
HSL	hsl(234, 49%, 42%)
HSV	hsv(234, 65%, 62%)
CMYK	cmyk(65.4%, 59.1%, 0%, 37.6%)
CIE-LAB	lab(32.02, 26.84, -52.42)
CIE-LCH	lch(32.02, 58.89, 297.11°)
OKLab	oklab(42.46% 0.0092 -0.1509)
OKLCH	oklch(42.46% 0.151 273.5)
XYZ	xyz(9.7218, 7.0952, 33.6513)
Luminance	0.0710 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37419F #9F9537

analogous

#37759F #37419F #61379F

triadic

#37419F #9F3741 #419F37

tetradic

#37419F #9F3775 #9F9537 #379F61

square

#37419F #9F3775 #9F9537 #379F61

split-complementary

#37419F #9F6137 #759F37

monochromatic

#181C44 #272E72 #37419F #515CC3 #7E86D2

Accessibility & contrast

On white

8.68

#37419F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#37419F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37419F

8.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37419F	#FFFFFF	#000000	##FFFFFF
##37419F	1.00	8.68	2.42	8.68
#FFFFFF	8.68	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A2

Deuteranopia (green-blind)

#00479D

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37419f;
/* rgb */ color: rgb(55, 65, 159);
/* oklch */ color: oklch(42.5% 0.151 273.5);

Tailwind

colors: {
  custom: {
    50: '#7a75bc',
    500: '#37419f',
    950: '#000000',
  },
}

SCSS

$custom: #37419f;
$custom-light: #7a75bc;
$custom-dark: #000000;

JSON

{
  "hex": "#37419f",
  "rgb": {
    "r": 55,
    "g": 65,
    "b": 159
  },
  "hsl": {
    "h": 234.231,
    "s": 48.598,
    "l": 41.961
  },
  "oklch": {
    "l": 0.42457,
    "c": 0.15113,
    "h": 273.5
  },
  "luminance": 0.07096
}

Semantic roles & 50–950 ramp

primary

#37419F

secondary

#BCB576

accent

#CB50D8

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #37419F

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

Preview Lab → · Contrast checker → · Palette generator →