#182F48#182F48

#182F48 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.9% C 0.054 H 251.9°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#182F48
RGB	rgb(24, 47, 72)
HSL	hsl(211, 50%, 19%)
HSV	hsv(211, 67%, 28%)
CMYK	cmyk(66.7%, 34.7%, 0%, 71.8%)
CIE-LAB	lab(18.78, 0.02, -18.26)
CIE-LCH	lch(18.78, 18.26, 270.07°)
OKLab	oklab(29.95% -0.0169 -0.0515)
OKLCH	oklch(29.95% 0.054 251.9)
XYZ	xyz(2.5625, 2.6949, 6.5148)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182F48 #483118

analogous

#184748 #182F48 #191848

triadic

#182F48 #48182F #2F4818

tetradic

#182F48 #481847 #483118 #184819

square

#182F48 #481847 #483118 #184819

split-complementary

#182F48 #481918 #474818

monochromatic

#080F17 #09111A #182F48 #274D76 #376BA4

Accessibility & contrast

On white

13.65

#182F48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#182F48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182F48

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182F48	#FFFFFF	#000000	##FFFFFF
##182F48	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243049

Deuteranopia (green-blind)

#1E2C47

Tritanopia (blue-blind)

#003538

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #182f48;
/* rgb */ color: rgb(24, 47, 72);
/* oklch */ color: oklch(29.9% 0.054 251.9);

Tailwind

colors: {
  custom: {
    50: '#5a677b',
    500: '#182f48',
    950: '#000000',
  },
}

SCSS

$custom: #182f48;
$custom-light: #5a677b;
$custom-dark: #000000;

JSON

{
  "hex": "#182f48",
  "rgb": {
    "r": 24,
    "g": 47,
    "b": 72
  },
  "hsl": {
    "h": 211.25,
    "s": 50,
    "l": 18.824
  },
  "oklch": {
    "l": 0.29947,
    "c": 0.05421,
    "h": 251.9
  },
  "luminance": 0.02695
}

Semantic roles & 50–950 ramp

primary

#182F48

secondary

#7F5F3D

accent

#974EDA

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040609

muted

#797A7B

Preview Lab

Preview with #182F48

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

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