#37429C#37429C

#37429C is a dark, vivid blue. Relative luminance 0.071; OKLCH L 42.4% C 0.146 H 273.2°. Best body text is #FFFFFF at 8.67:1 contrast (WCAG AA passes).

Color values

HEX	#37429C
RGB	rgb(55, 66, 156)
HSL	hsl(233, 48%, 41%)
HSV	hsv(233, 65%, 61%)
CMYK	cmyk(64.7%, 57.7%, 0%, 38.8%)
CIE-LAB	lab(32.05, 25.10, -50.56)
CIE-LCH	lch(32.05, 56.45, 296.41°)
OKLab	oklab(42.41% 0.0082 -0.1454)
OKLCH	oklch(42.41% 0.146 273.2)
XYZ	xyz(9.5225, 7.1081, 32.3162)
Luminance	0.0711 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37429C #9C9137

analogous

#37759C #37429C #5F379C

triadic

#37429C #9C3742 #429C37

tetradic

#37429C #9C3775 #9C9137 #379C5F

square

#37429C #9C3775 #9C9137 #379C5F

split-complementary

#37429C #9C5F37 #759C37

monochromatic

#171C42 #272F6F #37429C #4F5CC1 #7C86D1

Accessibility & contrast

On white

8.67

#37429C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.42

#37429C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37429C

8.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37429C	#FFFFFF	#000000	##FFFFFF
##37429C	1.00	8.67	2.42	8.67
#FFFFFF	8.67	1.00	21.00	1.00
#000000	2.42	21.00	1.00	21.00
##FFFFFF	8.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509F

Deuteranopia (green-blind)

#00479A

Tritanopia (blue-blind)

#005868

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37429c;
/* rgb */ color: rgb(55, 66, 156);
/* oklch */ color: oklch(42.4% 0.146 273.2);

Tailwind

colors: {
  custom: {
    50: '#7976ba',
    500: '#37429c',
    950: '#000000',
  },
}

SCSS

$custom: #37429c;
$custom-light: #7976ba;
$custom-dark: #000000;

JSON

{
  "hex": "#37429c",
  "rgb": {
    "r": 55,
    "g": 66,
    "b": 156
  },
  "hsl": {
    "h": 233.465,
    "s": 47.867,
    "l": 41.373
  },
  "oklch": {
    "l": 0.42405,
    "c": 0.14559,
    "h": 273.2
  },
  "luminance": 0.07109
}

Semantic roles & 50–950 ramp

primary

#37429C

secondary

#BAB375

accent

#C950D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #37429C

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

Preview Lab → · Contrast checker → · Palette generator →