#184458#184458

#184458 is a dark, muted cyan. Relative luminance 0.050; OKLCH L 36.6% C 0.059 H 231.2°. Best body text is #FFFFFF at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#184458
RGB	rgb(24, 68, 88)
HSL	hsl(199, 57%, 22%)
HSV	hsv(199, 73%, 35%)
CMYK	cmyk(72.7%, 22.7%, 0%, 65.5%)
CIE-LAB	lab(26.83, -7.77, -16.34)
CIE-LCH	lch(26.83, 18.09, 244.57°)
OKLab	oklab(36.59% -0.0368 -0.0458)
OKLCH	oklch(36.59% 0.059 231.2)
XYZ	xyz(4.2046, 5.0326, 9.9804)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184458 #582C18

analogous

#18584C #184458 #182458

triadic

#184458 #581844 #445818

tetradic

#184458 #4C1858 #582C18 #245818

square

#184458 #4C1858 #582C18 #245818

split-complementary

#184458 #581824 #584C18

monochromatic

#071318 #0B1F28 #184458 #256988 #328EB8

Accessibility & contrast

On white

10.47

#184458 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#184458 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184458

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184458	#FFFFFF	#000000	##FFFFFF
##184458	1.00	10.47	2.01	10.47
#FFFFFF	10.47	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A4359

Deuteranopia (green-blind)

#313D58

Tritanopia (blue-blind)

#00494B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #184458;
/* rgb */ color: rgb(24, 68, 88);
/* oklch */ color: oklch(36.6% 0.059 231.2);

Tailwind

colors: {
  custom: {
    50: '#5e7787',
    500: '#184458',
    950: '#000000',
  },
}

SCSS

$custom: #184458;
$custom-light: #5e7787;
$custom-dark: #000000;

JSON

{
  "hex": "#184458",
  "rgb": {
    "r": 24,
    "g": 68,
    "b": 88
  },
  "hsl": {
    "h": 198.75,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.36587,
    "c": 0.05877,
    "h": 231.2
  },
  "luminance": 0.05033
}

Semantic roles & 50–950 ramp

primary

#184458

secondary

#8F573D

accent

#7747E0

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#05080B

muted

#797B7C

Preview Lab

Preview with #184458

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

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