#18343D#18343D

#18343D is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.7% C 0.037 H 221.1°. Best body text is #FFFFFF at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#18343D
RGB	rgb(24, 52, 61)
HSL	hsl(195, 44%, 17%)
HSV	hsv(195, 61%, 24%)
CMYK	cmyk(60.7%, 14.8%, 0%, 76.1%)
CIE-LAB	lab(19.99, -7.50, -8.90)
CIE-LCH	lch(19.99, 11.64, 229.87°)
OKLab	oklab(30.73% -0.0282 -0.0247)
OKLCH	oklch(30.73% 0.037 221.1)
XYZ	xyz(2.4467, 2.9869, 4.8616)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18343D #3D2118

analogous

#183D34 #18343D #18223D

triadic

#18343D #3D1834 #343D18

tetradic

#18343D #34183D #3D2118 #223D18

square

#18343D #34183D #3D2118 #223D18

split-complementary

#18343D #3D1822 #3D3418

monochromatic

#091316 #091316 #18343D #295969 #3B7F95

Accessibility & contrast

On white

13.15

#18343D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#18343D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18343D

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18343D	#FFFFFF	#000000	##FFFFFF
##18343D	1.00	13.15	1.60	13.15
#FFFFFF	13.15	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F333D

Deuteranopia (green-blind)

#292E3D

Tritanopia (blue-blind)

#023737

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #18343d;
/* rgb */ color: rgb(24, 52, 61);
/* oklch */ color: oklch(30.7% 0.037 221.1);

Tailwind

colors: {
  custom: {
    50: '#586b72',
    500: '#18343d',
    950: '#000000',
  },
}

SCSS

$custom: #18343d;
$custom-light: #586b72;
$custom-dark: #000000;

JSON

{
  "hex": "#18343d",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 61
  },
  "hsl": {
    "h": 194.595,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.30728,
    "c": 0.03748,
    "h": 221.1
  },
  "luminance": 0.02987
}

Semantic roles & 50–950 ramp

primary

#18343D

secondary

#734B3D

accent

#7355D3

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030608

muted

#787A7B

Preview Lab

Preview with #18343D

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

Preview Lab → · Contrast checker → · Palette generator →