#184559#184559

#184559 is a dark, muted cyan. Relative luminance 0.052; OKLCH L 36.9% C 0.059 H 230.7°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#184559
RGB	rgb(24, 69, 89)
HSL	hsl(198, 58%, 22%)
HSV	hsv(198, 73%, 35%)
CMYK	cmyk(73%, 22.5%, 0%, 65.1%)
CIE-LAB	lab(27.22, -8.02, -16.38)
CIE-LCH	lch(27.22, 18.24, 243.92°)
OKLab	oklab(36.91% -0.0376 -0.0459)
OKLCH	oklch(36.91% 0.059 230.7)
XYZ	xyz(4.3073, 5.1712, 10.2204)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184559 #592C18

analogous

#18594D #184559 #182459

triadic

#184559 #591845 #455918

tetradic

#184559 #4D1859 #592C18 #245918

square

#184559 #4D1859 #592C18 #245918

split-complementary

#184559 #591824 #594D18

monochromatic

#061318 #0B2029 #184559 #256A89 #3290B9

Accessibility & contrast

On white

10.32

#184559 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#184559 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184559

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184559	#FFFFFF	#000000	##FFFFFF
##184559	1.00	10.32	2.03	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B445A

Deuteranopia (green-blind)

#323D59

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #184559;
/* rgb */ color: rgb(24, 69, 89);
/* oklch */ color: oklch(36.9% 0.059 230.7);

Tailwind

colors: {
  custom: {
    50: '#5e7888',
    500: '#184559',
    950: '#000000',
  },
}

SCSS

$custom: #184559;
$custom-light: #5e7888;
$custom-dark: #000000;

JSON

{
  "hex": "#184559",
  "rgb": {
    "r": 24,
    "g": 69,
    "b": 89
  },
  "hsl": {
    "h": 198.462,
    "s": 57.522,
    "l": 22.157
  },
  "oklch": {
    "l": 0.36914,
    "c": 0.05935,
    "h": 230.7
  },
  "luminance": 0.05172
}

Semantic roles & 50–950 ramp

primary

#184559

secondary

#90573D

accent

#7647E1

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #184559

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

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