#343440#343440

#343440 is a dark, muted blue. Relative luminance 0.036; OKLCH L 33.0% C 0.021 H 285.2°. Best body text is #FFFFFF at 12.27:1 contrast (WCAG AA passes).

Color values

HEX	#343440
RGB	rgb(52, 52, 64)
HSL	hsl(240, 10%, 23%)
HSV	hsv(240, 19%, 25%)
CMYK	cmyk(18.8%, 18.8%, 0%, 74.9%)
CIE-LAB	lab(22.15, 3.01, -7.47)
CIE-LCH	lch(22.15, 8.06, 291.97°)
OKLab	oklab(33% 0.0055 -0.0203)
OKLCH	oklch(33% 0.021 285.2)
XYZ	xyz(3.5694, 3.5562, 5.3479)
Luminance	0.0356 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#343440 #404034

analogous

#343A40 #343440 #3A3440

triadic

#343440 #403434 #344034

tetradic

#343440 #40343A #404034 #34403A

square

#343440 #40343A #404034 #34403A

split-complementary

#343440 #403A34 #3A4034

monochromatic

#0E0E11 #19191E #343440 #4F4F62 #6B6B84

Accessibility & contrast

On white

12.27

#343440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#343440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #343440

12.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##343440	#FFFFFF	#000000	##FFFFFF
##343440	1.00	12.27	1.71	12.27
#FFFFFF	12.27	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313541

Deuteranopia (green-blind)

#313540

Tritanopia (blue-blind)

#323638

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #343440;
/* rgb */ color: rgb(52, 52, 64);
/* oklch */ color: oklch(33.0% 0.021 285.2);

Tailwind

colors: {
  custom: {
    50: '#6b6b74',
    500: '#343440',
    950: '#000000',
  },
}

SCSS

$custom: #343440;
$custom-light: #6b6b74;
$custom-dark: #000000;

JSON

{
  "hex": "#343440",
  "rgb": {
    "r": 52,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 240,
    "s": 10.345,
    "l": 22.745
  },
  "oklch": {
    "l": 0.32996,
    "c": 0.02105,
    "h": 285.2
  },
  "luminance": 0.03556
}

Semantic roles & 50–950 ramp

primary

#343440

secondary

#6F6F60

accent

#B375B3

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060608

muted

#7A7A7B

Preview Lab

Preview with #343440

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

Preview Lab → · Contrast checker → · Palette generator →