#343E42#343E42

#343E42 is a dark, near-neutral cyan. Relative luminance 0.046; OKLCH L 35.6% C 0.015 H 223.9°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#343E42
RGB	rgb(52, 62, 66)
HSL	hsl(197, 12%, 23%)
HSV	hsv(197, 21%, 26%)
CMYK	cmyk(21.2%, 6.1%, 0%, 74.1%)
CIE-LAB	lab(25.47, -3.08, -3.83)
CIE-LCH	lch(25.47, 4.91, 231.25°)
OKLab	oklab(35.63% -0.0108 -0.0104)
OKLCH	oklch(35.63% 0.015 223.9)
XYZ	xyz(4.1219, 4.5685, 5.8178)
Luminance	0.0457 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343E42 #423834

analogous

#34423F #343E42 #343742

triadic

#343E42 #42343E #3E4234

tetradic

#343E42 #3F3442 #423834 #374234

square

#343E42 #3F3442 #423834 #374234

split-complementary

#343E42 #423437 #423F34

monochromatic

#0D1011 #191E20 #343E42 #4F5E64 #6A7E86

Accessibility & contrast

On white

10.97

#343E42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#343E42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343E42

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343E42	#FFFFFF	#000000	##FFFFFF
##343E42	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3D42

Deuteranopia (green-blind)

#3A3C42

Tritanopia (blue-blind)

#303F3F

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #343e42;
/* rgb */ color: rgb(52, 62, 66);
/* oklch */ color: oklch(35.6% 0.015 223.9);

Tailwind

colors: {
  custom: {
    50: '#6b7376',
    500: '#343e42',
    950: '#000000',
  },
}

SCSS

$custom: #343e42;
$custom-light: #6b7376;
$custom-dark: #000000;

JSON

{
  "hex": "#343e42",
  "rgb": {
    "r": 52,
    "g": 62,
    "b": 66
  },
  "hsl": {
    "h": 197.143,
    "s": 11.864,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35629,
    "c": 0.01497,
    "h": 223.9
  },
  "luminance": 0.04569
}

Semantic roles & 50–950 ramp

primary

#343E42

secondary

#726560

accent

#8673B5

background

#F6F6F7

surface

#EBECED

border

#C6C7C8

text

#060808

muted

#7A7B7B

Preview Lab

Preview with #343E42

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

Preview Lab → · Contrast checker → · Palette generator →