#18343C#18343C

#18343C is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.7% C 0.037 H 218.6°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#18343C
RGB	rgb(24, 52, 60)
HSL	hsl(193, 43%, 16%)
HSV	hsv(193, 60%, 24%)
CMYK	cmyk(60%, 13.3%, 0%, 76.5%)
CIE-LAB	lab(19.95, -7.86, -8.28)
CIE-LCH	lch(19.95, 11.42, 226.51°)
OKLab	oklab(30.68% -0.0287 -0.0229)
OKLCH	oklch(30.68% 0.037 218.6)
XYZ	xyz(2.4200, 2.9762, 4.7210)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18343C #3C2018

analogous

#183C32 #18343C #18223C

triadic

#18343C #3C1834 #343C18

tetradic

#18343C #32183C #3C2018 #223C18

square

#18343C #32183C #3C2018 #223C18

split-complementary

#18343C #3C1822 #3C3218

monochromatic

#091316 #091316 #18343C #295A68 #3B8093

Accessibility & contrast

On white

13.16

#18343C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#18343C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18343C

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18343C	#FFFFFF	#000000	##FFFFFF
##18343C	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F333C

Deuteranopia (green-blind)

#292E3C

Tritanopia (blue-blind)

#023736

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #18343c;
/* rgb */ color: rgb(24, 52, 60);
/* oklch */ color: oklch(30.7% 0.037 218.6);

Tailwind

colors: {
  custom: {
    50: '#586b71',
    500: '#18343c',
    950: '#000000',
  },
}

SCSS

$custom: #18343c;
$custom-light: #586b71;
$custom-dark: #000000;

JSON

{
  "hex": "#18343c",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 60
  },
  "hsl": {
    "h": 193.333,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.30679,
    "c": 0.03673,
    "h": 218.6
  },
  "luminance": 0.02976
}

Semantic roles & 50–950 ramp

primary

#18343C

secondary

#72493E

accent

#7155D3

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #18343C

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

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