#283F36#283F36

#283F36 is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.5% C 0.033 H 168.0°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#283F36
RGB	rgb(40, 63, 54)
HSL	hsl(157, 22%, 20%)
HSV	hsv(157, 37%, 25%)
CMYK	cmyk(36.5%, 0%, 14.3%, 75.3%)
CIE-LAB	lab(24.55, -11.38, 2.67)
CIE-LCH	lch(24.55, 11.69, 166.80°)
OKLab	oklab(34.54% -0.0323 0.0069)
OKLCH	oklch(34.54% 0.033 168)
XYZ	xyz(3.3182, 4.2723, 4.1391)
Luminance	0.0427 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F36 #3F2831

analogous

#283F2A #283F36 #283C3F

triadic

#283F36 #36283F #3F3628

tetradic

#283F36 #2A283F #3F2831 #3C3F28

square

#283F36 #2A283F #3F2831 #3C3F28

split-complementary

#283F36 #3F283C #3F2A28

monochromatic

#0C1310 #101A16 #283F36 #406456 #588A76

Accessibility & contrast

On white

11.32

#283F36 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#283F36 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F36

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F36	#FFFFFF	#000000	##FFFFFF
##283F36	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3C36

Deuteranopia (green-blind)

#3A3937

Tritanopia (blue-blind)

#223F3C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283f36;
/* rgb */ color: rgb(40, 63, 54);
/* oklch */ color: oklch(34.5% 0.033 168.0);

Tailwind

colors: {
  custom: {
    50: '#63746d',
    500: '#283f36',
    950: '#000000',
  },
}

SCSS

$custom: #283f36;
$custom-light: #63746d;
$custom-dark: #000000;

JSON

{
  "hex": "#283f36",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 54
  },
  "hsl": {
    "h": 156.522,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34544,
    "c": 0.033,
    "h": 168
  },
  "luminance": 0.04272
}

Semantic roles & 50–950 ramp

primary

#283F36

secondary

#71525E

accent

#698BBF

background

#F5F7F6

surface

#EAEDEB

border

#C6C8C6

text

#050807

muted

#797B7A

Preview Lab

Preview with #283F36

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

Preview Lab → · Contrast checker → · Palette generator →