#182E4A#182E4A

#182E4A is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.8% C 0.058 H 255.2°. Best body text is #FFFFFF at 13.74:1 contrast (WCAG AA passes).

Color values

HEX	#182E4A
RGB	rgb(24, 46, 74)
HSL	hsl(214, 51%, 19%)
HSV	hsv(214, 68%, 29%)
CMYK	cmyk(67.6%, 37.8%, 0%, 71%)
CIE-LAB	lab(18.55, 1.52, -19.98)
CIE-LCH	lch(18.55, 20.03, 274.36°)
OKLab	oklab(29.81% -0.0149 -0.0565)
OKLCH	oklch(29.81% 0.058 255.2)
XYZ	xyz(2.5893, 2.6424, 6.8508)
Luminance	0.0264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182E4A #4A3418

analogous

#18474A #182E4A #1B184A

triadic

#182E4A #4A182E #2E4A18

tetradic

#182E4A #4A1847 #4A3418 #184A1B

square

#182E4A #4A1847 #4A3418 #184A1B

split-complementary

#182E4A #4A1B18 #474A18

monochromatic

#070E17 #09111C #182E4A #274B78 #3667A6

Accessibility & contrast

On white

13.74

#182E4A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#182E4A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182E4A

13.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182E4A	#FFFFFF	#000000	##FFFFFF
##182E4A	1.00	13.74	1.53	13.74
#FFFFFF	13.74	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22304B

Deuteranopia (green-blind)

#1B2B49

Tritanopia (blue-blind)

#003438

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182e4a;
/* rgb */ color: rgb(24, 46, 74);
/* oklch */ color: oklch(29.8% 0.058 255.2);

Tailwind

colors: {
  custom: {
    50: '#5a667c',
    500: '#182e4a',
    950: '#000000',
  },
}

SCSS

$custom: #182e4a;
$custom-light: #5a667c;
$custom-dark: #000000;

JSON

{
  "hex": "#182e4a",
  "rgb": {
    "r": 24,
    "g": 46,
    "b": 74
  },
  "hsl": {
    "h": 213.6,
    "s": 51.02,
    "l": 19.216
  },
  "oklch": {
    "l": 0.29807,
    "c": 0.05846,
    "h": 255.2
  },
  "luminance": 0.02643
}

Semantic roles & 50–950 ramp

primary

#182E4A

secondary

#81633D

accent

#9C4DDA

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040509

muted

#797A7B

Preview Lab

Preview with #182E4A

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

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