#283133#283133

#283133 is a dark, near-neutral cyan. Relative luminance 0.029; OKLCH L 30.6% C 0.013 H 212.6°. Best body text is #FFFFFF at 13.31:1 contrast (WCAG AA passes).

Color values

HEX	#283133
RGB	rgb(40, 49, 51)
HSL	hsl(191, 12%, 18%)
HSV	hsv(191, 22%, 20%)
CMYK	cmyk(21.6%, 3.9%, 0%, 80%)
CIE-LAB	lab(19.58, -3.29, -2.56)
CIE-LCH	lch(19.58, 4.17, 217.86°)
OKLab	oklab(30.55% -0.0108 -0.0069)
OKLCH	oklch(30.55% 0.013 212.6)
XYZ	xyz(2.5708, 2.8867, 3.5531)
Luminance	0.0289 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283133 #332A28

analogous

#28332F #283133 #282B33

triadic

#283133 #332831 #313328

tetradic

#283133 #2F2833 #332A28 #2B3328

square

#283133 #2F2833 #332A28 #2B3328

split-complementary

#283133 #33282B #332F28

monochromatic

#0D1011 #0D1011 #283133 #435255 #5E7378

Accessibility & contrast

On white

13.31

#283133 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#283133 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283133

13.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283133	#FFFFFF	#000000	##FFFFFF
##283133	1.00	13.31	1.58	13.31
#FFFFFF	13.31	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3033

Deuteranopia (green-blind)

#2D2F33

Tritanopia (blue-blind)

#253232

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #283133;
/* rgb */ color: rgb(40, 49, 51);
/* oklch */ color: oklch(30.6% 0.013 212.6);

Tailwind

colors: {
  custom: {
    50: '#62696a',
    500: '#283133',
    950: '#000000',
  },
}

SCSS

$custom: #283133;
$custom-light: #62696a;
$custom-dark: #000000;

JSON

{
  "hex": "#283133",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 51
  },
  "hsl": {
    "h": 190.909,
    "s": 12.088,
    "l": 17.843
  },
  "oklch": {
    "l": 0.3055,
    "c": 0.01285,
    "h": 212.6
  },
  "luminance": 0.02887
}

Semantic roles & 50–950 ramp

primary

#283133

secondary

#635654

accent

#7F73B5

background

#F5F6F6

surface

#EAEBEB

border

#C6C6C6

text

#050606

muted

#797A7A

Preview Lab

Preview with #283133

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

Preview Lab → · Contrast checker → · Palette generator →