#182B73#182B73

#182B73 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.4% C 0.126 H 267.4°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#182B73
RGB	rgb(24, 43, 115)
HSL	hsl(227, 65%, 27%)
HSV	hsv(227, 79%, 45%)
CMYK	cmyk(79.1%, 62.6%, 0%, 54.9%)
CIE-LAB	lab(20.67, 20.57, -43.61)
CIE-LCH	lch(20.67, 48.22, 295.25°)
OKLab	oklab(32.4% -0.0057 -0.126)
OKLCH	oklch(32.4% 0.126 267.4)
XYZ	xyz(4.3340, 3.1593, 16.5977)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B73 #736018

analogous

#185873 #182B73 #331873

triadic

#182B73 #73182B #2B7318

tetradic

#182B73 #731858 #736018 #187333

square

#182B73 #731858 #736018 #187333

split-complementary

#182B73 #733318 #587318

monochromatic

#050919 #0D1840 #182B73 #233EA6 #3153D4

Accessibility & contrast

On white

12.87

#182B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#182B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B73

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B73	#FFFFFF	#000000	##FFFFFF
##182B73	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003675

Deuteranopia (green-blind)

#002E72

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182b73;
/* rgb */ color: rgb(24, 43, 115);
/* oklch */ color: oklch(32.4% 0.126 267.4);

Tailwind

colors: {
  custom: {
    50: '#64649c',
    500: '#182b73',
    950: '#000000',
  },
}

SCSS

$custom: #182b73;
$custom-light: #64649c;
$custom-dark: #000000;

JSON

{
  "hex": "#182b73",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 115
  },
  "hsl": {
    "h": 227.473,
    "s": 65.468,
    "l": 27.255
  },
  "oklch": {
    "l": 0.32395,
    "c": 0.12611,
    "h": 267.4
  },
  "luminance": 0.0316
}

Semantic roles & 50–950 ramp

primary

#182B73

secondary

#A8923F

accent

#C53FE8

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182B73

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

Preview Lab → · Contrast checker → · Palette generator →