#182A56#182A56

#182A56 is a dark, moderate blue. Relative luminance 0.025; OKLCH L 29.6% C 0.083 H 265.0°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX	#182A56
RGB	rgb(24, 42, 86)
HSL	hsl(223, 56%, 22%)
HSV	hsv(223, 72%, 34%)
CMYK	cmyk(72.1%, 51.2%, 0%, 66.3%)
CIE-LAB	lab(18.02, 9.32, -28.91)
CIE-LCH	lch(18.02, 30.38, 287.88°)
OKLab	oklab(29.65% -0.0072 -0.0828)
OKLCH	oklch(29.65% 0.083 265)
XYZ	xyz(2.8838, 2.5217, 9.1371)
Luminance	0.0252 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182A56 #564418

analogous

#184956 #182A56 #251856

triadic

#182A56 #56182A #2A5618

tetradic

#182A56 #561849 #564418 #185625

square

#182A56 #561849 #564418 #185625

split-complementary

#182A56 #562518 #495618

monochromatic

#070C18 #0B1326 #182A56 #254186 #3359B6

Accessibility & contrast

On white

13.96

#182A56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.50

#182A56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182A56

13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182A56	#FFFFFF	#000000	##FFFFFF
##182A56	1.00	13.96	1.50	13.96
#FFFFFF	13.96	1.00	21.00	1.00
#000000	1.50	21.00	1.00	21.00
##FFFFFF	13.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#132F58

Deuteranopia (green-blind)

#072955

Tritanopia (blue-blind)

#00343B

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182a56;
/* rgb */ color: rgb(24, 42, 86);
/* oklch */ color: oklch(29.6% 0.083 265.0);

Tailwind

colors: {
  custom: {
    50: '#5d6386',
    500: '#182a56',
    950: '#000000',
  },
}

SCSS

$custom: #182a56;
$custom-light: #5d6386;
$custom-dark: #000000;

JSON

{
  "hex": "#182a56",
  "rgb": {
    "r": 24,
    "g": 42,
    "b": 86
  },
  "hsl": {
    "h": 222.581,
    "s": 56.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.29649,
    "c": 0.08308,
    "h": 265
  },
  "luminance": 0.02522
}

Semantic roles & 50–950 ramp

primary

#182A56

secondary

#8D763D

accent

#B448E0

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#05050B

muted

#79797C

Preview Lab

Preview with #182A56

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

Preview Lab → · Contrast checker → · Palette generator →