#283C3A#283C3A

#283C3A is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.9% C 0.026 H 188.2°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#283C3A
RGB	rgb(40, 60, 58)
HSL	hsl(174, 20%, 20%)
HSV	hsv(174, 33%, 24%)
CMYK	cmyk(33.3%, 0%, 3.3%, 76.5%)
CIE-LAB	lab(23.63, -8.47, -1.33)
CIE-LCH	lch(23.63, 8.57, 188.91°)
OKLab	oklab(33.85% -0.0255 -0.0037)
OKLCH	oklch(33.85% 0.026 188.2)
XYZ	xyz(3.2544, 3.9882, 4.6005)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283C3A #3C282A

analogous

#283C30 #283C3A #28343C

triadic

#283C3A #3A283C #3C3A28

tetradic

#283C3A #30283C #3C282A #343C28

square

#283C3A #30283C #3C282A #343C28

split-complementary

#283C3A #3C2834 #3C3028

monochromatic

#0C1212 #101717 #283C3A #40615D #598581

Accessibility & contrast

On white

11.68

#283C3A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#283C3A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283C3A

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283C3A	#FFFFFF	#000000	##FFFFFF
##283C3A	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3A3A

Deuteranopia (green-blind)

#36373A

Tritanopia (blue-blind)

#223D3B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #283c3a;
/* rgb */ color: rgb(40, 60, 58);
/* oklch */ color: oklch(33.9% 0.026 188.2);

Tailwind

colors: {
  custom: {
    50: '#627170',
    500: '#283c3a',
    950: '#000000',
  },
}

SCSS

$custom: #283c3a;
$custom-light: #627170;
$custom-dark: #000000;

JSON

{
  "hex": "#283c3a",
  "rgb": {
    "r": 40,
    "g": 60,
    "b": 58
  },
  "hsl": {
    "h": 174,
    "s": 20,
    "l": 19.608
  },
  "oklch": {
    "l": 0.3385,
    "c": 0.02575,
    "h": 188.2
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary

#283C3A

secondary

#6D5255

accent

#6B73BD

background

#F5F6F6

surface

#EAECEC

border

#C6C7C7

text

#050707

muted

#797A7A

Preview Lab

Preview with #283C3A

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

Preview Lab → · Contrast checker → · Palette generator →