#182B56#182B56

#182B56 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 29.9% C 0.082 H 264.1°. Best body text is #FFFFFF at 13.83:1 contrast (WCAG AA passes).

Color values

HEX	#182B56
RGB	rgb(24, 43, 86)
HSL	hsl(222, 56%, 22%)
HSV	hsv(222, 72%, 34%)
CMYK	cmyk(72.1%, 50%, 0%, 66.3%)
CIE-LAB	lab(18.34, 8.59, -28.40)
CIE-LCH	lch(18.34, 29.67, 286.83°)
OKLab	oklab(29.89% -0.0083 -0.0812)
OKLCH	oklch(29.89% 0.082 264.1)
XYZ	xyz(2.9197, 2.5935, 9.1490)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182B56 #564318

analogous

#184A56 #182B56 #241856

triadic

#182B56 #56182B #2B5618

tetradic

#182B56 #56184A #564318 #185624

square

#182B56 #56184A #564318 #185624

split-complementary

#182B56 #562418 #4A5618

monochromatic

#070C18 #0B1326 #182B56 #254386 #335BB6

Accessibility & contrast

On white

13.83

#182B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#182B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182B56

13.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182B56	#FFFFFF	#000000	##FFFFFF
##182B56	1.00	13.83	1.52	13.83
#FFFFFF	13.83	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#153058

Deuteranopia (green-blind)

#0A2A55

Tritanopia (blue-blind)

#00353C

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182b56;
/* rgb */ color: rgb(24, 43, 86);
/* oklch */ color: oklch(29.9% 0.082 264.1);

Tailwind

colors: {
  custom: {
    50: '#5d6386',
    500: '#182b56',
    950: '#000000',
  },
}

SCSS

$custom: #182b56;
$custom-light: #5d6386;
$custom-dark: #000000;

JSON

{
  "hex": "#182b56",
  "rgb": {
    "r": 24,
    "g": 43,
    "b": 86
  },
  "hsl": {
    "h": 221.613,
    "s": 56.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.29894,
    "c": 0.08167,
    "h": 264.1
  },
  "luminance": 0.02594
}

Semantic roles & 50–950 ramp

primary

#182B56

secondary

#8D743D

accent

#B148E0

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#05050B

muted

#79797C

Preview Lab

Preview with #182B56

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

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