#184658#184658

#184658 is a dark, muted cyan. Relative luminance 0.053; OKLCH L 37.1% C 0.058 H 227.5°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#184658
RGB	rgb(24, 70, 88)
HSL	hsl(197, 57%, 22%)
HSV	hsv(197, 73%, 35%)
CMYK	cmyk(72.7%, 20.5%, 0%, 65.5%)
CIE-LAB	lab(27.51, -9.02, -15.28)
CIE-LCH	lch(27.51, 17.74, 239.44°)
OKLab	oklab(37.14% -0.0392 -0.0427)
OKLCH	oklch(37.14% 0.058 227.5)
XYZ	xyz(4.3276, 5.2786, 10.0214)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#184658 #582A18

analogous

#18584A #184658 #182658

triadic

#184658 #581846 #465818

tetradic

#184658 #4A1858 #582A18 #265818

square

#184658 #4A1858 #582A18 #265818

split-complementary

#184658 #581826 #584A18

monochromatic

#071318 #0B2028 #184658 #256C88 #3293B8

Accessibility & contrast

On white

10.22

#184658 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#184658 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #184658

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##184658	#FFFFFF	#000000	##FFFFFF
##184658	1.00	10.22	2.06	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C4559

Deuteranopia (green-blind)

#343E58

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #184658;
/* rgb */ color: rgb(24, 70, 88);
/* oklch */ color: oklch(37.1% 0.058 227.5);

Tailwind

colors: {
  custom: {
    50: '#5e7987',
    500: '#184658',
    950: '#000000',
  },
}

SCSS

$custom: #184658;
$custom-light: #5e7987;
$custom-dark: #000000;

JSON

{
  "hex": "#184658",
  "rgb": {
    "r": 24,
    "g": 70,
    "b": 88
  },
  "hsl": {
    "h": 196.875,
    "s": 57.143,
    "l": 21.961
  },
  "oklch": {
    "l": 0.37136,
    "c": 0.05801,
    "h": 227.5
  },
  "luminance": 0.05279
}

Semantic roles & 50–950 ramp

primary

#184658

secondary

#8F543D

accent

#7247E0

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#05090B

muted

#797B7C

Preview Lab

Preview with #184658

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

Preview Lab → · Contrast checker → · Palette generator →