#2E3440#2E3440

#2E3440 is a dark, muted blue. Relative luminance 0.034; OKLCH L 32.4% C 0.023 H 264.2°. Best body text is #FFFFFF at 12.49:1 contrast (WCAG AA passes).

Color values

HEX	#2E3440
RGB	rgb(46, 52, 64)
HSL	hsl(220, 16%, 22%)
HSV	hsv(220, 28%, 25%)
CMYK	cmyk(28.1%, 18.8%, 0%, 74.9%)
CIE-LAB	lab(21.60, 0.69, -8.35)
CIE-LCH	lch(21.60, 8.37, 274.75°)
OKLab	oklab(32.44% -0.0023 -0.0228)
OKLCH	oklch(32.44% 0.023 264.2)
XYZ	xyz(3.2799, 3.4069, 5.3343)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2E3440 #403A2E

analogous

#2E3D40 #2E3440 #312E40

triadic

#2E3440 #402E34 #34402E

tetradic

#2E3440 #402E3D #403A2E #2E4031

square

#2E3440 #402E3D #403A2E #2E4031

split-complementary

#2E3440 #40312E #3D402E

monochromatic

#0D0E12 #14171C #2E3440 #485164 #616E87

Accessibility & contrast

On white

12.49

#2E3440 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#2E3440 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2E3440

12.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2E3440	#FFFFFF	#000000	##FFFFFF
##2E3440	1.00	12.49	1.68	12.49
#FFFFFF	12.49	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303541

Deuteranopia (green-blind)

#2F3340

Tritanopia (blue-blind)

#293638

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #2e3440;
/* rgb */ color: rgb(46, 52, 64);
/* oklch */ color: oklch(32.4% 0.023 264.2);

Tailwind

colors: {
  custom: {
    50: '#676b74',
    500: '#2e3440',
    950: '#000000',
  },
}

SCSS

$custom: #2e3440;
$custom-light: #676b74;
$custom-dark: #000000;

JSON

{
  "hex": "#2e3440",
  "rgb": {
    "r": 46,
    "g": 52,
    "b": 64
  },
  "hsl": {
    "h": 220,
    "s": 16.364,
    "l": 21.569
  },
  "oklch": {
    "l": 0.32437,
    "c": 0.02295,
    "h": 264.2
  },
  "luminance": 0.03407
}

Semantic roles & 50–950 ramp

primary

#2E3440

secondary

#706959

accent

#A06FB9

background

#F6F6F7

surface

#EBEBED

border

#C6C6C8

text

#060608

muted

#7A7A7B

Preview Lab

Preview with #2E3440

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

Preview Lab → · Contrast checker → · Palette generator →