#283F34#283F34

#283F34 is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.5% C 0.035 H 163.2°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#283F34
RGB	rgb(40, 63, 52)
HSL	hsl(151, 22%, 20%)
HSV	hsv(151, 37%, 25%)
CMYK	cmyk(36.5%, 0%, 17.5%, 75.3%)
CIE-LAB	lab(24.49, -11.89, 3.91)
CIE-LCH	lch(24.49, 12.51, 161.80°)
OKLab	oklab(34.48% -0.0333 0.0101)
OKLCH	oklch(34.48% 0.035 163.2)
XYZ	xyz(3.2722, 4.2539, 3.8968)
Luminance	0.0425 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F34 #3F2833

analogous

#283F28 #283F34 #283E3F

triadic

#283F34 #34283F #3F3428

tetradic

#283F34 #28283F #3F2833 #3E3F28

square

#283F34 #28283F #3F2833 #3E3F28

split-complementary

#283F34 #3F283E #3F2828

monochromatic

#0C130F #101A15 #283F34 #406453 #588A72

Accessibility & contrast

On white

11.35

#283F34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#283F34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F34

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F34	#FFFFFF	#000000	##FFFFFF
##283F34	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3C33

Deuteranopia (green-blind)

#3A3935

Tritanopia (blue-blind)

#233F3C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283f34;
/* rgb */ color: rgb(40, 63, 52);
/* oklch */ color: oklch(34.5% 0.035 163.2);

Tailwind

colors: {
  custom: {
    50: '#63746b',
    500: '#283f34',
    950: '#000000',
  },
}

SCSS

$custom: #283f34;
$custom-light: #63746b;
$custom-dark: #000000;

JSON

{
  "hex": "#283f34",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 52
  },
  "hsl": {
    "h": 151.304,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34478,
    "c": 0.03483,
    "h": 163.2
  },
  "luminance": 0.04254
}

Semantic roles & 50–950 ramp

primary

#283F34

secondary

#715261

accent

#6992BF

background

#F5F7F6

surface

#EAEDEB

border

#C6C8C6

text

#050806

muted

#797B7A

Preview Lab

Preview with #283F34

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

Preview Lab → · Contrast checker → · Palette generator →