#182C54#182C54

#182C54 is a dark, moderate blue. Relative luminance 0.026; OKLCH L 30.0% C 0.077 H 262.7°. Best body text is #FFFFFF at 13.75:1 contrast (WCAG AA passes).

Color values

HEX	#182C54
RGB	rgb(24, 44, 84)
HSL	hsl(220, 56%, 21%)
HSV	hsv(220, 71%, 33%)
CMYK	cmyk(71.4%, 47.6%, 0%, 67.1%)
CIE-LAB	lab(18.52, 7.03, -26.77)
CIE-LCH	lch(18.52, 27.67, 284.72°)
OKLab	oklab(29.99% -0.0098 -0.0764)
OKLCH	oklch(29.99% 0.077 262.7)
XYZ	xyz(2.8770, 2.6354, 8.7428)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182C54 #544018

analogous

#184A54 #182C54 #221854

triadic

#182C54 #54182C #2C5418

tetradic

#182C54 #54184A #544018 #185422

square

#182C54 #54184A #544018 #185422

split-complementary

#182C54 #542218 #4A5418

monochromatic

#070C18 #0A1324 #182C54 #264584 #335EB3

Accessibility & contrast

On white

13.75

#182C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182C54

13.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182C54	#FFFFFF	#000000	##FFFFFF
##182C54	1.00	13.75	1.53	13.75
#FFFFFF	13.75	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#193056

Deuteranopia (green-blind)

#0F2B53

Tritanopia (blue-blind)

#00353B

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182c54;
/* rgb */ color: rgb(24, 44, 84);
/* oklch */ color: oklch(30.0% 0.077 262.7);

Tailwind

colors: {
  custom: {
    50: '#5c6484',
    500: '#182c54',
    950: '#000000',
  },
}

SCSS

$custom: #182c54;
$custom-light: #5c6484;
$custom-dark: #000000;

JSON

{
  "hex": "#182c54",
  "rgb": {
    "r": 24,
    "g": 44,
    "b": 84
  },
  "hsl": {
    "h": 220,
    "s": 55.556,
    "l": 21.176
  },
  "oklch": {
    "l": 0.2999,
    "c": 0.07706,
    "h": 262.7
  },
  "luminance": 0.02636
}

Semantic roles & 50–950 ramp

primary

#182C54

secondary

#8B713D

accent

#AD49DF

background

#F5F5F8

surface

#E9EAEF

border

#C5C6CA

text

#04050B

muted

#79797C

Preview Lab

Preview with #182C54

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

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