#283F33#283F33

#283F33 is a dark, muted green. Relative luminance 0.042; OKLCH L 34.4% C 0.036 H 161.0°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#283F33
RGB	rgb(40, 63, 51)
HSL	hsl(149, 22%, 20%)
HSV	hsv(149, 37%, 25%)
CMYK	cmyk(36.5%, 0%, 19%, 75.3%)
CIE-LAB	lab(24.47, -12.13, 4.53)
CIE-LCH	lch(24.47, 12.95, 159.54°)
OKLab	oklab(34.45% -0.0339 0.0117)
OKLCH	oklch(34.45% 0.036 161)
XYZ	xyz(3.2499, 4.2450, 3.7794)
Luminance	0.0425 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F33 #3F2834

analogous

#283F28 #283F33 #283F3E

triadic

#283F33 #33283F #3F3328

tetradic

#283F33 #28283F #3F2834 #3F3E28

square

#283F33 #28283F #3F2834 #3F3E28

split-complementary

#283F33 #3E283F #3F2828

monochromatic

#0C130F #101A15 #283F33 #406451 #588A70

Accessibility & contrast

On white

11.36

#283F33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#283F33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F33

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F33	#FFFFFF	#000000	##FFFFFF
##283F33	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3C32

Deuteranopia (green-blind)

#3B3934

Tritanopia (blue-blind)

#233F3C

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283f33;
/* rgb */ color: rgb(40, 63, 51);
/* oklch */ color: oklch(34.4% 0.036 161.0);

Tailwind

colors: {
  custom: {
    50: '#63746a',
    500: '#283f33',
    950: '#000000',
  },
}

SCSS

$custom: #283f33;
$custom-light: #63746a;
$custom-dark: #000000;

JSON

{
  "hex": "#283f33",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 148.696,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34446,
    "c": 0.03583,
    "h": 161
  },
  "luminance": 0.04245
}

Semantic roles & 50–950 ramp

primary

#283F33

secondary

#715262

accent

#6996BF

background

#F5F7F6

surface

#EAEDEB

border

#C6C8C6

text

#050806

muted

#797B7A

Preview Lab

Preview with #283F33

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

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