#283D3E#283D3E

#283D3E is a dark, muted teal. Relative luminance 0.041; OKLCH L 34.3% C 0.027 H 199.7°. Best body text is #FFFFFF at 11.49:1 contrast (WCAG AA passes).

Color values

HEX	#283D3E
RGB	rgb(40, 61, 62)
HSL	hsl(183, 22%, 20%)
HSV	hsv(183, 35%, 24%)
CMYK	cmyk(35.5%, 1.6%, 0%, 75.7%)
CIE-LAB	lab(24.12, -7.96, -3.28)
CIE-LCH	lch(24.12, 8.61, 202.39°)
OKLab	oklab(34.28% -0.025 -0.009)
OKLCH	oklch(34.28% 0.027 199.7)
XYZ	xyz(3.4130, 4.1362, 5.1750)
Luminance	0.0414 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283D3E #3E2928

analogous

#283E34 #283D3E #28323E

triadic

#283D3E #3E283D #3D3E28

tetradic

#283D3E #34283E #3E2928 #323E28

square

#283D3E #34283E #3E2928 #323E28

split-complementary

#283D3E #3E2832 #3E3428

monochromatic

#0C1213 #101819 #283D3E #406263 #588688

Accessibility & contrast

On white

11.49

#283D3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#283D3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283D3E

11.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283D3E	#FFFFFF	#000000	##FFFFFF
##283D3E	1.00	11.49	1.83	11.49
#FFFFFF	11.49	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3B3E

Deuteranopia (green-blind)

#36383E

Tritanopia (blue-blind)

#203E3D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283d3e;
/* rgb */ color: rgb(40, 61, 62);
/* oklch */ color: oklch(34.3% 0.027 199.7);

Tailwind

colors: {
  custom: {
    50: '#637273',
    500: '#283d3e',
    950: '#000000',
  },
}

SCSS

$custom: #283d3e;
$custom-light: #637273;
$custom-dark: #000000;

JSON

{
  "hex": "#283d3e",
  "rgb": {
    "r": 40,
    "g": 61,
    "b": 62
  },
  "hsl": {
    "h": 182.727,
    "s": 21.569,
    "l": 20
  },
  "oklch": {
    "l": 0.34282,
    "c": 0.02659,
    "h": 199.7
  },
  "luminance": 0.04136
}

Semantic roles & 50–950 ramp

primary

#283D3E

secondary

#705452

accent

#6E6ABE

background

#F5F6F6

surface

#EAECEC

border

#C6C7C7

text

#050808

muted

#797B7B

Preview Lab

Preview with #283D3E

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

Preview Lab → · Contrast checker → · Palette generator →