#184557#184557

#184557 is a dark, muted cyan. Relative luminance 0.051; OKLCH L 36.8% C 0.057 H 227.9°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#184557
RGB	rgb(24, 69, 87)
HSL	hsl(197, 57%, 22%)
HSV	hsv(197, 72%, 34%)
CMYK	cmyk(72.4%, 20.7%, 0%, 65.9%)
CIE-LAB	lab(27.12, -8.77, -15.23)
CIE-LCH	lch(27.12, 17.57, 240.06°)
OKLab	oklab(36.81% -0.0384 -0.0426)
OKLCH	oklch(36.81% 0.057 227.9)
XYZ	xyz(4.2244, 5.1381, 9.7841)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184557 #572A18

analogous

#18574A #184557 #182657

triadic

#184557 #571845 #455718

tetradic

#184557 #4A1857 #572A18 #265718

square

#184557 #4A1857 #572A18 #265718

split-complementary

#184557 #571826 #574A18

monochromatic

#071318 #0B1F27 #184557 #256B87 #3291B7

Accessibility & contrast

On white

10.36

#184557 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#184557 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184557

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184557	#FFFFFF	#000000	##FFFFFF
##184557	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4458

Deuteranopia (green-blind)

#333D57

Tritanopia (blue-blind)

#004A4B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #184557;
/* rgb */ color: rgb(24, 69, 87);
/* oklch */ color: oklch(36.8% 0.057 227.9);

Tailwind

colors: {
  custom: {
    50: '#5e7886',
    500: '#184557',
    950: '#000000',
  },
}

SCSS

$custom: #184557;
$custom-light: #5e7886;
$custom-dark: #000000;

JSON

{
  "hex": "#184557",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 87
  },
  "hsl": {
    "h": 197.143,
    "s": 56.757,
    "l": 21.765
  },
  "oklch": {
    "l": 0.36809,
    "c": 0.05739,
    "h": 227.9
  },
  "luminance": 0.05139
}

Semantic roles & 50–950 ramp

primary

#184557

secondary

#8E543D

accent

#7348E0

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #184557

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

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