#182F42#182F42

#182F42 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.6% C 0.045 H 245.1°. Best body text is #FFFFFF at 13.78:1 contrast (WCAG AA passes).

Color values

HEX	#182F42
RGB	rgb(24, 47, 66)
HSL	hsl(207, 47%, 18%)
HSV	hsv(207, 64%, 26%)
CMYK	cmyk(63.6%, 28.8%, 0%, 74.1%)
CIE-LAB	lab(18.45, -2.31, -14.68)
CIE-LCH	lch(18.45, 14.86, 261.06°)
OKLab	oklab(29.59% -0.0191 -0.0411)
OKLCH	oklch(29.59% 0.045 245.1)
XYZ	xyz(2.3762, 2.6204, 5.5338)
Luminance	0.0262 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F42 #422B18

analogous

#184240 #182F42 #181A42

triadic

#182F42 #42182F #2F4218

tetradic

#182F42 #401842 #422B18 #1A4218

square

#182F42 #401842 #422B18 #1A4218

split-complementary

#182F42 #42181A #424018

monochromatic

#081016 #081016 #182F42 #284F6F #396F9C

Accessibility & contrast

On white

13.78

#182F42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#182F42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F42

13.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F42	#FFFFFF	#000000	##FFFFFF
##182F42	1.00	13.78	1.52	13.78
#FFFFFF	13.78	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#272F43

Deuteranopia (green-blind)

#212B42

Tritanopia (blue-blind)

#003436

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #182f42;
/* rgb */ color: rgb(24, 47, 66);
/* oklch */ color: oklch(29.6% 0.045 245.1);

Tailwind

colors: {
  custom: {
    50: '#596776',
    500: '#182f42',
    950: '#000000',
  },
}

SCSS

$custom: #182f42;
$custom-light: #596776;
$custom-dark: #000000;

JSON

{
  "hex": "#182f42",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 66
  },
  "hsl": {
    "h": 207.143,
    "s": 46.667,
    "l": 17.647
  },
  "oklch": {
    "l": 0.29586,
    "c": 0.04537,
    "h": 245.1
  },
  "luminance": 0.02621
}

Semantic roles & 50–950 ramp

primary

#182F42

secondary

#79583D

accent

#8E51D6

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #182F42

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

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