#283C3E#283C3E

#283C3E is a dark, muted teal. Relative luminance 0.040; OKLCH L 34.0% C 0.026 H 203.8°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#283C3E
RGB	rgb(40, 60, 62)
HSL	hsl(185, 22%, 20%)
HSV	hsv(185, 35%, 24%)
CMYK	cmyk(35.5%, 3.2%, 0%, 75.7%)
CIE-LAB	lab(23.77, -7.33, -3.79)
CIE-LCH	lch(23.77, 8.25, 207.34°)
OKLab	oklab(34.01% -0.0235 -0.0104)
OKLCH	oklch(34.01% 0.026 203.8)
XYZ	xyz(3.3601, 4.0305, 5.1574)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283C3E #3E2A28

analogous

#283E35 #283C3E #28313E

triadic

#283C3E #3E283C #3C3E28

tetradic

#283C3E #35283E #3E2A28 #313E28

square

#283C3E #35283E #3E2A28 #313E28

split-complementary

#283C3E #3E2831 #3E3528

monochromatic

#0C1213 #101819 #283C3E #406063 #588488

Accessibility & contrast

On white

11.63

#283C3E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#283C3E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C3E

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283C3E	#FFFFFF	#000000	##FFFFFF
##283C3E	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393A3E

Deuteranopia (green-blind)

#35373E

Tritanopia (blue-blind)

#203E3D

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283c3e;
/* rgb */ color: rgb(40, 60, 62);
/* oklch */ color: oklch(34.0% 0.026 203.8);

Tailwind

colors: {
  custom: {
    50: '#637173',
    500: '#283c3e',
    950: '#000000',
  },
}

SCSS

$custom: #283c3e;
$custom-light: #637173;
$custom-dark: #000000;

JSON

{
  "hex": "#283c3e",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 62
  },
  "hsl": {
    "h": 185.455,
    "s": 21.569,
    "l": 20
  },
  "oklch": {
    "l": 0.34007,
    "c": 0.02566,
    "h": 203.8
  },
  "luminance": 0.04031
}

Semantic roles & 50–950 ramp

primary

#283C3E

secondary

#705552

accent

#716ABE

background

#F5F6F6

surface

#EAECEC

border

#C6C7C7

text

#050708

muted

#797A7B

Preview Lab

Preview with #283C3E

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

Preview Lab → · Contrast checker → · Palette generator →