#2B313C#2B313C

#2B313C is a dark, muted blue. Relative luminance 0.030; OKLCH L 31.2% C 0.021 H 262.5°. Best body text is #FFFFFF at 13.07:1 contrast (WCAG AA passes).

Color values

HEX	#2B313C
RGB	rgb(43, 49, 60)
HSL	hsl(219, 17%, 20%)
HSV	hsv(219, 28%, 24%)
CMYK	cmyk(28.3%, 18.3%, 0%, 76.5%)
CIE-LAB	lab(20.19, 0.43, -7.80)
CIE-LCH	lch(20.19, 7.81, 273.16°)
OKLab	oklab(31.21% -0.0028 -0.0213)
OKLCH	oklch(31.21% 0.022 262.5)
XYZ	xyz(2.9100, 3.0364, 4.7068)
Luminance	0.0304 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B313C #3C362B

analogous

#2B393C #2B313C #2D2B3C

triadic

#2B313C #3C2B31 #313C2B

tetradic

#2B313C #3C2B39 #3C362B #2B3C2D

square

#2B313C #3C2B39 #3C362B #2B3C2D

split-complementary

#2B313C #3C2D2B #393C2B

monochromatic

#0D0F12 #111418 #2B313C #454E60 #5E6B83

Accessibility & contrast

On white

13.07

#2B313C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#2B313C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2B313C

13.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B313C	#FFFFFF	#000000	##FFFFFF
##2B313C	1.00	13.07	1.61	13.07
#FFFFFF	13.07	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D323D

Deuteranopia (green-blind)

#2C303C

Tritanopia (blue-blind)

#273335

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #2b313c;
/* rgb */ color: rgb(43, 49, 60);
/* oklch */ color: oklch(31.2% 0.021 262.5);

Tailwind

colors: {
  custom: {
    50: '#646971',
    500: '#2b313c',
    950: '#000000',
  },
}

SCSS

$custom: #2b313c;
$custom-light: #646971;
$custom-dark: #000000;

JSON

{
  "hex": "#2b313c",
  "rgb": {
    "r": 43,
    "g": 49,
    "b": 60
  },
  "hsl": {
    "h": 218.824,
    "s": 16.505,
    "l": 20.196
  },
  "oklch": {
    "l": 0.31207,
    "c": 0.0215,
    "h": 262.5
  },
  "luminance": 0.03036
}

Semantic roles & 50–950 ramp

primary

#2B313C

secondary

#6D6556

accent

#9F6FB9

background

#F6F6F6

surface

#EBEBEC

border

#C6C6C7

text

#050607

muted

#7A7A7A

Preview Lab

Preview with #2B313C

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

Preview Lab → · Contrast checker → · Palette generator →