#18334B#18334B

#18334B is a dark, muted cyan. Relative luminance 0.031; OKLCH L 31.2% C 0.055 H 247.4°. Best body text is #FFFFFF at 13.01:1 contrast (WCAG AA passes).

Color values

HEX	#18334B
RGB	rgb(24, 51, 75)
HSL	hsl(208, 52%, 19%)
HSV	hsv(208, 68%, 29%)
CMYK	cmyk(68%, 32%, 0%, 70.6%)
CIE-LAB	lab(20.32, -1.58, -17.87)
CIE-LCH	lch(20.32, 17.94, 264.94°)
OKLab	oklab(31.21% -0.021 -0.0503)
OKLCH	oklch(31.21% 0.055 247.4)
XYZ	xyz(2.8300, 3.0696, 7.0986)
Luminance	0.0307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18334B #4B3018

analogous

#184B4A #18334B #181A4B

triadic

#18334B #4B1833 #334B18

tetradic

#18334B #4A184B #4B3018 #1A4B18

square

#18334B #4A184B #4B3018 #1A4B18

split-complementary

#18334B #4B181A #4B4A18

monochromatic

#071017 #09131D #18334B #275379 #3672A8

Accessibility & contrast

On white

13.01

#18334B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#18334B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18334B

13.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18334B	#FFFFFF	#000000	##FFFFFF
##18334B	1.00	13.01	1.61	13.01
#FFFFFF	13.01	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29344C

Deuteranopia (green-blind)

#222F4B

Tritanopia (blue-blind)

#00393B

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #18334b;
/* rgb */ color: rgb(24, 51, 75);
/* oklch */ color: oklch(31.2% 0.055 247.4);

Tailwind

colors: {
  custom: {
    50: '#5b6a7d',
    500: '#18334b',
    950: '#000000',
  },
}

SCSS

$custom: #18334b;
$custom-light: #5b6a7d;
$custom-dark: #000000;

JSON

{
  "hex": "#18334b",
  "rgb": {
    "r": 24,
    "g": 51,
    "b": 75
  },
  "hsl": {
    "h": 208.235,
    "s": 51.515,
    "l": 19.412
  },
  "oklch": {
    "l": 0.31214,
    "c": 0.05455,
    "h": 247.4
  },
  "luminance": 0.0307
}

Semantic roles & 50–950 ramp

primary

#18334B

secondary

#825D3D

accent

#904DDB

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040609

muted

#797A7B

Preview Lab

Preview with #18334B

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

Preview Lab → · Contrast checker → · Palette generator →