#343640#343640

#343640 is a dark, near-neutral blue. Relative luminance 0.037; OKLCH L 33.5% C 0.018 H 276.5°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#343640
RGB	rgb(52, 54, 64)
HSL	hsl(230, 10%, 23%)
HSV	hsv(230, 19%, 25%)
CMYK	cmyk(18.8%, 15.6%, 0%, 74.9%)
CIE-LAB	lab(22.79, 1.66, -6.51)
CIE-LCH	lch(22.79, 6.72, 284.35°)
OKLab	oklab(33.5% 0.002 -0.0176)
OKLCH	oklch(33.5% 0.018 276.5)
XYZ	xyz(3.6605, 3.7385, 5.3782)
Luminance	0.0374 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343640 #403E34

analogous

#343C40 #343640 #383440

triadic

#343640 #403436 #364034

tetradic

#343640 #40343C #403E34 #344038

square

#343640 #40343C #403E34 #344038

split-complementary

#343640 #403834 #3C4034

monochromatic

#0E0E11 #191A1E #343640 #4F5262 #6B6F84

Accessibility & contrast

On white

12.02

#343640 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#343640 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343640

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343640	#FFFFFF	#000000	##FFFFFF
##343640	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333740

Deuteranopia (green-blind)

#333640

Tritanopia (blue-blind)

#313839

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #343640;
/* rgb */ color: rgb(52, 54, 64);
/* oklch */ color: oklch(33.5% 0.018 276.5);

Tailwind

colors: {
  custom: {
    50: '#6b6c74',
    500: '#343640',
    950: '#000000',
  },
}

SCSS

$custom: #343640;
$custom-light: #6b6c74;
$custom-dark: #000000;

JSON

{
  "hex": "#343640",
  "rgb": {
    "r": 52,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 230,
    "s": 10.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.33497,
    "c": 0.01776,
    "h": 276.5
  },
  "luminance": 0.03739
}

Semantic roles & 50–950 ramp

primary

#343640

secondary

#6F6D60

accent

#A975B3

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060708

muted

#7A7A7B

Preview Lab

Preview with #343640

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

Preview Lab → · Contrast checker → · Palette generator →