#283A36#283A36

#283A36 is a dark, muted teal. Relative luminance 0.037; OKLCH L 33.1% C 0.024 H 179.5°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#283A36
RGB	rgb(40, 58, 54)
HSL	hsl(167, 18%, 19%)
HSV	hsv(167, 31%, 23%)
CMYK	cmyk(31%, 0%, 6.9%, 77.3%)
CIE-LAB	lab(22.80, -8.31, 0.14)
CIE-LCH	lch(22.80, 8.31, 179.06°)
OKLab	oklab(33.14% -0.0243 0.0002)
OKLCH	oklch(33.14% 0.024 179.5)
XYZ	xyz(3.0538, 3.7434, 4.0510)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283A36 #3A282C

analogous

#283A2D #283A36 #28353A

triadic

#283A36 #36283A #3A3628

tetradic

#283A36 #2D283A #3A282C #353A28

square

#283A36 #2D283A #3A282C #353A28

split-complementary

#283A36 #3A2835 #3A2D28

monochromatic

#0C1211 #0F1614 #283A36 #415E58 #5A8279

Accessibility & contrast

On white

12.01

#283A36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#283A36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283A36

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283A36	#FFFFFF	#000000	##FFFFFF
##283A36	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383836

Deuteranopia (green-blind)

#353536

Tritanopia (blue-blind)

#233B39

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #283a36;
/* rgb */ color: rgb(40, 58, 54);
/* oklch */ color: oklch(33.1% 0.024 179.5);

Tailwind

colors: {
  custom: {
    50: '#62706c',
    500: '#283a36',
    950: '#000000',
  },
}

SCSS

$custom: #283a36;
$custom-light: #62706c;
$custom-dark: #000000;

JSON

{
  "hex": "#283a36",
  "rgb": {
    "r": 40,
    "g": 58,
    "b": 54
  },
  "hsl": {
    "h": 166.667,
    "s": 18.367,
    "l": 19.216
  },
  "oklch": {
    "l": 0.33144,
    "c": 0.02435,
    "h": 179.5
  },
  "luminance": 0.03744
}

Semantic roles & 50–950 ramp

primary

#283A36

secondary

#6B5358

accent

#6D7EBB

background

#F5F6F6

surface

#EAECEB

border

#C6C7C6

text

#050707

muted

#797A7A

Preview Lab

Preview with #283A36

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

Preview Lab → · Contrast checker → · Palette generator →