#283F35#283F35

#283F35 is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.5% C 0.034 H 165.5°. Best body text is #FFFFFF at 11.34:1 contrast (WCAG AA passes).

Color values

HEX	#283F35
RGB	rgb(40, 63, 53)
HSL	hsl(154, 22%, 20%)
HSV	hsv(154, 37%, 25%)
CMYK	cmyk(36.5%, 0%, 15.9%, 75.3%)
CIE-LAB	lab(24.52, -11.63, 3.29)
CIE-LCH	lch(24.52, 12.09, 164.22°)
OKLab	oklab(34.51% -0.0328 0.0085)
OKLCH	oklch(34.51% 0.034 165.5)
XYZ	xyz(3.2950, 4.2630, 4.0167)
Luminance	0.0426 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F35 #3F2832

analogous

#283F29 #283F35 #283D3F

triadic

#283F35 #35283F #3F3528

tetradic

#283F35 #29283F #3F2832 #3D3F28

square

#283F35 #29283F #3F2832 #3D3F28

split-complementary

#283F35 #3F283D #3F2928

monochromatic

#0C1310 #101A16 #283F35 #406454 #588A74

Accessibility & contrast

On white

11.34

#283F35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#283F35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F35

11.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F35	#FFFFFF	#000000	##FFFFFF
##283F35	1.00	11.34	1.85	11.34
#FFFFFF	11.34	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3C35

Deuteranopia (green-blind)

#3A3936

Tritanopia (blue-blind)

#233F3C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283f35;
/* rgb */ color: rgb(40, 63, 53);
/* oklch */ color: oklch(34.5% 0.034 165.5);

Tailwind

colors: {
  custom: {
    50: '#63746c',
    500: '#283f35',
    950: '#000000',
  },
}

SCSS

$custom: #283f35;
$custom-light: #63746c;
$custom-dark: #000000;

JSON

{
  "hex": "#283f35",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 53
  },
  "hsl": {
    "h": 153.913,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34511,
    "c": 0.03389,
    "h": 165.5
  },
  "luminance": 0.04263
}

Semantic roles & 50–950 ramp

primary

#283F35

secondary

#71525F

accent

#698EBF

background

#F5F7F6

surface

#EAEDEB

border

#C6C8C6

text

#050806

muted

#797B7A

Preview Lab

Preview with #283F35

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

Preview Lab → · Contrast checker → · Palette generator →