#183444#183444

#183444 is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.1% C 0.045 H 235.7°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#183444
RGB	rgb(24, 52, 68)
HSL	hsl(202, 48%, 18%)
HSV	hsv(202, 65%, 27%)
CMYK	cmyk(64.7%, 23.5%, 0%, 73.3%)
CIE-LAB	lab(20.31, -4.94, -13.16)
CIE-LCH	lch(20.31, 14.06, 249.41°)
OKLab	oklab(31.09% -0.0251 -0.0368)
OKLCH	oklch(31.09% 0.045 235.7)
XYZ	xyz(2.6477, 3.0673, 5.9202)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183444 #442818

analogous

#18443E #183444 #181E44

triadic

#183444 #441834 #344418

tetradic

#183444 #3E1844 #442818 #1E4418

square

#183444 #3E1844 #442818 #1E4418

split-complementary

#183444 #44181E #443E18

monochromatic

#081117 #081117 #183444 #285771 #38799E

Accessibility & contrast

On white

13.01

#183444 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#183444 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183444

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183444	#FFFFFF	#000000	##FFFFFF
##183444	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3445

Deuteranopia (green-blind)

#262F44

Tritanopia (blue-blind)

#003839

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #183444;
/* rgb */ color: rgb(24, 52, 68);
/* oklch */ color: oklch(31.1% 0.045 235.7);

Tailwind

colors: {
  custom: {
    50: '#596b78',
    500: '#183444',
    950: '#000000',
  },
}

SCSS

$custom: #183444;
$custom-light: #596b78;
$custom-dark: #000000;

JSON

{
  "hex": "#183444",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 68
  },
  "hsl": {
    "h": 201.818,
    "s": 47.826,
    "l": 18.039
  },
  "oklch": {
    "l": 0.31089,
    "c": 0.04451,
    "h": 235.7
  },
  "luminance": 0.03068
}

Semantic roles & 50–950 ramp

primary

#183444

secondary

#7B543D

accent

#8150D7

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#040608

muted

#797A7B

Preview Lab

Preview with #183444

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

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