#182D56#182D56

#182D56 is a dark, moderate blue. Relative luminance 0.027; OKLCH L 30.4% C 0.079 H 262.3°. Best body text is #FFFFFF at 13.56:1 contrast (WCAG AA passes).

Color values

HEX	#182D56
RGB	rgb(24, 45, 86)
HSL	hsl(220, 56%, 22%)
HSV	hsv(220, 72%, 34%)
CMYK	cmyk(72.1%, 47.7%, 0%, 66.3%)
CIE-LAB	lab(18.98, 7.13, -27.36)
CIE-LCH	lch(18.98, 28.28, 284.60°)
OKLab	oklab(30.39% -0.0106 -0.0782)
OKLCH	oklch(30.39% 0.079 262.3)
XYZ	xyz(2.9942, 2.7426, 9.1739)
Luminance	0.0274 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182D56 #564118

analogous

#184C56 #182D56 #221856

triadic

#182D56 #56182D #2D5618

tetradic

#182D56 #56184C #564118 #185622

square

#182D56 #56184C #564118 #185622

split-complementary

#182D56 #562218 #4C5618

monochromatic

#070D18 #0B1426 #182D56 #254686 #335FB6

Accessibility & contrast

On white

13.56

#182D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#182D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182D56

13.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182D56	#FFFFFF	#000000	##FFFFFF
##182D56	1.00	13.56	1.55	13.56
#FFFFFF	13.56	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193158

Deuteranopia (green-blind)

#0F2B55

Tritanopia (blue-blind)

#00363D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182d56;
/* rgb */ color: rgb(24, 45, 86);
/* oklch */ color: oklch(30.4% 0.079 262.3);

Tailwind

colors: {
  custom: {
    50: '#5d6586',
    500: '#182d56',
    950: '#000000',
  },
}

SCSS

$custom: #182d56;
$custom-light: #5d6586;
$custom-dark: #000000;

JSON

{
  "hex": "#182d56",
  "rgb": {
    "r": 24,
    "g": 45,
    "b": 86
  },
  "hsl": {
    "h": 219.677,
    "s": 56.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.3039,
    "c": 0.07888,
    "h": 262.3
  },
  "luminance": 0.02743
}

Semantic roles & 50–950 ramp

primary

#182D56

secondary

#8D723D

accent

#AC48E0

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#05050B

muted

#797A7C

Preview Lab

Preview with #182D56

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

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