#182B72#182B72

#182B72 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.3% C 0.125 H 267.4°. Best body text is #FFFFFF at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#182B72
RGB	rgb(24, 43, 114)
HSL	hsl(227, 65%, 27%)
HSV	hsv(227, 79%, 45%)
CMYK	cmyk(78.9%, 62.3%, 0%, 55.3%)
CIE-LAB	lab(20.58, 20.16, -43.11)
CIE-LCH	lch(20.58, 47.59, 295.06°)
OKLab	oklab(32.3% -0.0057 -0.1245)
OKLCH	oklch(32.3% 0.125 267.4)
XYZ	xyz(4.2768, 3.1364, 16.2963)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B72 #725F18

analogous

#185872 #182B72 #321872

triadic

#182B72 #72182B #2B7218

tetradic

#182B72 #721858 #725F18 #187232

square

#182B72 #721858 #725F18 #187232

split-complementary

#182B72 #723218 #587218

monochromatic

#050A19 #0D183F #182B72 #233EA5 #3153D4

Accessibility & contrast

On white

12.90

#182B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#182B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B72

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B72	#FFFFFF	#000000	##FFFFFF
##182B72	1.00	12.90	1.63	12.90
#FFFFFF	12.90	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003674

Deuteranopia (green-blind)

#002E71

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #182b72;
/* rgb */ color: rgb(24, 43, 114);
/* oklch */ color: oklch(32.3% 0.125 267.4);

Tailwind

colors: {
  custom: {
    50: '#64649b',
    500: '#182b72',
    950: '#000000',
  },
}

SCSS

$custom: #182b72;
$custom-light: #64649b;
$custom-dark: #000000;

JSON

{
  "hex": "#182b72",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 114
  },
  "hsl": {
    "h": 227.333,
    "s": 65.217,
    "l": 27.059
  },
  "oklch": {
    "l": 0.32301,
    "c": 0.12465,
    "h": 267.4
  },
  "luminance": 0.03137
}

Semantic roles & 50–950 ramp

primary

#182B72

secondary

#A7913E

accent

#C540E8

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #182B72

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

Preview Lab → · Contrast checker → · Palette generator →