#283333#283333

#283333 is a dark, near-neutral teal. Relative luminance 0.031; OKLCH L 31.1% C 0.015 H 196.4°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#283333
RGB	rgb(40, 51, 51)
HSL	hsl(180, 12%, 18%)
HSV	hsv(180, 22%, 20%)
CMYK	cmyk(21.6%, 0%, 0%, 80%)
CIE-LAB	lab(20.27, -4.62, -1.54)
CIE-LCH	lch(20.27, 4.87, 198.46°)
OKLab	oklab(31.1% -0.0143 -0.0042)
OKLCH	oklch(31.1% 0.015 196.4)
XYZ	xyz(2.6563, 3.0577, 3.5816)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283333 #332828

analogous

#28332D #283333 #282D33

triadic

#283333 #332833 #333328

tetradic

#283333 #2D2833 #332828 #2D3328

square

#283333 #2D2833 #332828 #2D3328

split-complementary

#283333 #33282D #332D28

monochromatic

#0D1111 #0D1111 #283333 #435555 #5E7878

Accessibility & contrast

On white

13.03

#283333 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#283333 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283333

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283333	#FFFFFF	#000000	##FFFFFF
##283333	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#313233

Deuteranopia (green-blind)

#2F3033

Tritanopia (blue-blind)

#253433

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #283333;
/* rgb */ color: rgb(40, 51, 51);
/* oklch */ color: oklch(31.1% 0.015 196.4);

Tailwind

colors: {
  custom: {
    50: '#626a6a',
    500: '#283333',
    950: '#000000',
  },
}

SCSS

$custom: #283333;
$custom-light: #626a6a;
$custom-dark: #000000;

JSON

{
  "hex": "#283333",
  "rgb": {
    "r": 40,
    "g": 51,
    "b": 51
  },
  "hsl": {
    "h": 180,
    "s": 12.088,
    "l": 17.843
  },
  "oklch": {
    "l": 0.31096,
    "c": 0.01488,
    "h": 196.4
  },
  "luminance": 0.03058
}

Semantic roles & 50–950 ramp

primary

#283333

secondary

#635454

accent

#7373B5

background

#F5F6F6

surface

#EAEBEB

border

#C6C6C6

text

#050606

muted

#797A7A

Preview Lab

Preview with #283333

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

Preview Lab → · Contrast checker → · Palette generator →