#37429A#37429A

#37429A is a dark, vivid blue. Relative luminance 0.070; OKLCH L 42.2% C 0.143 H 273.3°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#37429A
RGB	rgb(55, 66, 154)
HSL	hsl(233, 47%, 41%)
HSV	hsv(233, 64%, 60%)
CMYK	cmyk(64.3%, 57.1%, 0%, 39.6%)
CIE-LAB	lab(31.90, 24.39, -49.59)
CIE-LCH	lch(31.90, 55.26, 296.18°)
OKLab	oklab(42.24% 0.0082 -0.1425)
OKLCH	oklch(42.24% 0.143 273.3)
XYZ	xyz(9.3546, 7.0410, 31.4317)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37429A #9A8F37

analogous

#37739A #37429A #5D379A

triadic

#37429A #9A3742 #429A37

tetradic

#37429A #9A3773 #9A8F37 #379A5D

square

#37429A #9A3773 #9A8F37 #379A5D

split-complementary

#37429A #9A5D37 #739A37

monochromatic

#171B40 #272F6D #37429A #4E5BC0 #7B85D0

Accessibility & contrast

On white

8.72

#37429A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#37429A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #37429A

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37429A	#FFFFFF	#000000	##FFFFFF
##37429A	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00509D

Deuteranopia (green-blind)

#004798

Tritanopia (blue-blind)

#005767

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #37429a;
/* rgb */ color: rgb(55, 66, 154);
/* oklch */ color: oklch(42.2% 0.143 273.3);

Tailwind

colors: {
  custom: {
    50: '#7976b8',
    500: '#37429a',
    950: '#000000',
  },
}

SCSS

$custom: #37429a;
$custom-light: #7976b8;
$custom-dark: #000000;

JSON

{
  "hex": "#37429a",
  "rgb": {
    "r": 55,
    "g": 66,
    "b": 154
  },
  "hsl": {
    "h": 233.333,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.42244,
    "c": 0.14275,
    "h": 273.3
  },
  "luminance": 0.07042
}

Semantic roles & 50–950 ramp

primary

#37429A

secondary

#B9B174

accent

#C851D7

background

#F7F7FB

surface

#EEEDF6

border

#C9C8D0

text

#0A0811

muted

#7C7B80

Preview Lab

Preview with #37429A

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

Preview Lab → · Contrast checker → · Palette generator →