#343A40#343A40

#343A40 is a dark, near-neutral cyan. Relative luminance 0.041; OKLCH L 34.5% C 0.013 H 248.2°. Best body text is #FFFFFF at 11.51:1 contrast (WCAG AA passes).

Color values

HEX	#343A40
RGB	rgb(52, 58, 64)
HSL	hsl(210, 10%, 23%)
HSV	hsv(210, 19%, 25%)
CMYK	cmyk(18.8%, 9.4%, 0%, 74.9%)
CIE-LAB	lab(24.08, -1.00, -4.56)
CIE-LCH	lch(24.08, 4.67, 257.67°)
OKLab	oklab(34.51% -0.0049 -0.0123)
OKLCH	oklch(34.51% 0.013 248.2)
XYZ	xyz(3.8544, 4.1263, 5.4429)
Luminance	0.0413 (WCAG relative)
Temperature	neutral
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343A40 #403A34

analogous

#344040 #343A40 #343440

triadic

#343A40 #40343A #3A4034

tetradic

#343A40 #403440 #403A34 #344034

square

#343A40 #403440 #403A34 #344034

split-complementary

#343A40 #403434 #404034

monochromatic

#0E0F11 #191B1E #343A40 #4F5962 #6B7784

Accessibility & contrast

On white

11.51

#343A40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#343A40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343A40

11.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343A40	#FFFFFF	#000000	##FFFFFF
##343A40	1.00	11.51	1.83	11.51
#FFFFFF	11.51	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A40

Deuteranopia (green-blind)

#363940

Tritanopia (blue-blind)

#313B3C

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #343a40;
/* rgb */ color: rgb(52, 58, 64);
/* oklch */ color: oklch(34.5% 0.013 248.2);

Tailwind

colors: {
  custom: {
    50: '#6b7074',
    500: '#343a40',
    950: '#000000',
  },
}

SCSS

$custom: #343a40;
$custom-light: #6b7074;
$custom-dark: #000000;

JSON

{
  "hex": "#343a40",
  "rgb": {
    "r": 52,
    "g": 58,
    "b": 64
  },
  "hsl": {
    "h": 210,
    "s": 10.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.34514,
    "c": 0.01329,
    "h": 248.2
  },
  "luminance": 0.04126
}

Semantic roles & 50–950 ramp

primary

#343A40

secondary

#6F6860

accent

#9475B3

background

#F6F6F7

surface

#EBECED

border

#C6C7C8

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #343A40

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

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