#18334D#18334D

#18334D is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.3% C 0.057 H 249.3°. Best body text is #FFFFFF at 12.97:1 contrast (WCAG AA passes).

Color values

HEX	#18334D
RGB	rgb(24, 51, 77)
HSL	hsl(209, 52%, 20%)
HSV	hsv(209, 69%, 30%)
CMYK	cmyk(68.8%, 33.8%, 0%, 69.8%)
CIE-LAB	lab(20.43, -0.79, -19.05)
CIE-LCH	lch(20.43, 19.06, 267.62°)
OKLab	oklab(31.34% -0.0203 -0.0537)
OKLCH	oklch(31.34% 0.057 249.3)
XYZ	xyz(2.8996, 3.0974, 7.4648)
Luminance	0.0310 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18334D #4D3218

analogous

#184D4D #18334D #18194D

triadic

#18334D #4D1833 #334D18

tetradic

#18334D #4D184D #4D3218 #194D18

square

#18334D #4D184D #4D3218 #194D18

split-complementary

#18334D #4D1819 #4D4D18

monochromatic

#070F17 #09141E #18334D #27527C #3571AA

Accessibility & contrast

On white

12.97

#18334D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#18334D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18334D

12.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18334D	#FFFFFF	#000000	##FFFFFF
##18334D	1.00	12.97	1.62	12.97
#FFFFFF	12.97	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#28344E

Deuteranopia (green-blind)

#212F4C

Tritanopia (blue-blind)

#00393C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18334d;
/* rgb */ color: rgb(24, 51, 77);
/* oklch */ color: oklch(31.3% 0.057 249.3);

Tailwind

colors: {
  custom: {
    50: '#5b6a7f',
    500: '#18334d',
    950: '#000000',
  },
}

SCSS

$custom: #18334d;
$custom-light: #5b6a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#18334d",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 77
  },
  "hsl": {
    "h": 209.434,
    "s": 52.475,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31336,
    "c": 0.05745,
    "h": 249.3
  },
  "luminance": 0.03098
}

Semantic roles & 50–950 ramp

primary

#18334D

secondary

#84603D

accent

#934CDC

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #18334D

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

Preview Lab → · Contrast checker → · Palette generator →