#283131#283131

#283131 is a dark, near-neutral teal. Relative luminance 0.029; OKLCH L 30.5% C 0.012 H 196.5°. Best body text is #FFFFFF at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#283131
RGB	rgb(40, 49, 49)
HSL	hsl(180, 10%, 17%)
HSV	hsv(180, 18%, 19%)
CMYK	cmyk(18.4%, 0%, 0%, 80.8%)
CIE-LAB	lab(19.51, -3.83, -1.29)
CIE-LCH	lch(19.51, 4.04, 198.60°)
OKLab	oklab(30.47% -0.0118 -0.0035)
OKLCH	oklch(30.47% 0.012 196.5)
XYZ	xyz(2.5276, 2.8694, 3.3258)
Luminance	0.0287 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283131 #312828

analogous

#28312D #283131 #282D31

triadic

#283131 #312831 #313128

tetradic

#283131 #2D2831 #312828 #2D3128

square

#283131 #2D2831 #312828 #2D3128

split-complementary

#283131 #31282D #312D28

monochromatic

#0E1111 #0E1111 #283131 #445353 #5F7474

Accessibility & contrast

On white

13.34

#283131 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#283131 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283131

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283131	#FFFFFF	#000000	##FFFFFF
##283131	1.00	13.34	1.57	13.34
#FFFFFF	13.34	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303031

Deuteranopia (green-blind)

#2E2F31

Tritanopia (blue-blind)

#253231

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #283131;
/* rgb */ color: rgb(40, 49, 49);
/* oklch */ color: oklch(30.5% 0.012 196.5);

Tailwind

colors: {
  custom: {
    50: '#626969',
    500: '#283131',
    950: '#000000',
  },
}

SCSS

$custom: #283131;
$custom-light: #626969;
$custom-dark: #000000;

JSON

{
  "hex": "#283131",
  "rgb": {
    "r": 40,
    "g": 49,
    "b": 49
  },
  "hsl": {
    "h": 180,
    "s": 10.112,
    "l": 17.451
  },
  "oklch": {
    "l": 0.3047,
    "c": 0.01234,
    "h": 196.5
  },
  "luminance": 0.02869
}

Semantic roles & 50–950 ramp

primary

#283131

secondary

#615454

accent

#7575B3

background

#F5F6F6

surface

#EAEBEB

border

#C6C6C6

text

#050606

muted

#797A7A

Preview Lab

Preview with #283131

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

Preview Lab → · Contrast checker → · Palette generator →