#18343A#18343A

#18343A is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.6% C 0.035 H 213.3°. Best body text is #FFFFFF at 13.20:1 contrast (WCAG AA passes).

Color values

HEX	#18343A
RGB	rgb(24, 52, 58)
HSL	hsl(191, 41%, 16%)
HSV	hsv(191, 59%, 23%)
CMYK	cmyk(58.6%, 10.3%, 0%, 77.3%)
CIE-LAB	lab(19.86, -8.55, -7.04)
CIE-LCH	lch(19.86, 11.08, 219.47°)
OKLab	oklab(30.59% -0.0297 -0.0195)
OKLCH	oklch(30.59% 0.035 213.3)
XYZ	xyz(2.3681, 2.9555, 4.4478)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18343A #3A1E18

analogous

#183A2F #18343A #18233A

triadic

#18343A #3A1834 #343A18

tetradic

#18343A #2F183A #3A1E18 #233A18

square

#18343A #2F183A #3A1E18 #233A18

split-complementary

#18343A #3A1823 #3A2F18

monochromatic

#091316 #091316 #18343A #2A5B65 #3C8291

Accessibility & contrast

On white

13.20

#18343A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#18343A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18343A

13.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18343A	#FFFFFF	#000000	##FFFFFF
##18343A	1.00	13.20	1.59	13.20
#FFFFFF	13.20	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F323A

Deuteranopia (green-blind)

#2A2E3A

Tritanopia (blue-blind)

#043636

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #18343a;
/* rgb */ color: rgb(24, 52, 58);
/* oklch */ color: oklch(30.6% 0.035 213.3);

Tailwind

colors: {
  custom: {
    50: '#586b70',
    500: '#18343a',
    950: '#000000',
  },
}

SCSS

$custom: #18343a;
$custom-light: #586b70;
$custom-dark: #000000;

JSON

{
  "hex": "#18343a",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 58
  },
  "hsl": {
    "h": 190.588,
    "s": 41.463,
    "l": 16.078
  },
  "oklch": {
    "l": 0.30585,
    "c": 0.03549,
    "h": 213.3
  },
  "luminance": 0.02956
}

Semantic roles & 50–950 ramp

primary

#18343A

secondary

#70473E

accent

#6C57D1

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #18343A

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

Preview Lab → · Contrast checker → · Palette generator →