#283F2B#283F2B

#283F2B is a dark, muted green. Relative luminance 0.042; OKLCH L 34.2% C 0.045 H 147.8°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#283F2B
RGB	rgb(40, 63, 43)
HSL	hsl(128, 22%, 20%)
HSV	hsv(128, 37%, 25%)
CMYK	cmyk(36.5%, 0%, 31.7%, 75.3%)
CIE-LAB	lab(24.26, -13.98, 9.48)
CIE-LCH	lch(24.26, 16.89, 145.84°)
OKLab	oklab(34.21% -0.0382 0.0241)
OKLCH	oklch(34.21% 0.045 147.8)
XYZ	xyz(3.0885, 4.1804, 2.9292)
Luminance	0.0418 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 10.53

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F2B #3F283C

analogous

#303F28 #283F2B #283F36

triadic

#283F2B #2B283F #3F2B28

tetradic

#283F2B #28303F #3F283C #3F3628

square

#283F2B #28303F #3F283C #3F3628

split-complementary

#283F2B #36283F #3F2830

monochromatic

#0C130D #101A11 #283F2B #406445 #588A5E

Accessibility & contrast

On white

11.44

#283F2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#283F2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F2B

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F2B	#FFFFFF	#000000	##FFFFFF
##283F2B	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#403B2A

Deuteranopia (green-blind)

#3C392C

Tritanopia (blue-blind)

#253E3A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283f2b;
/* rgb */ color: rgb(40, 63, 43);
/* oklch */ color: oklch(34.2% 0.045 147.8);

Tailwind

colors: {
  custom: {
    50: '#637464',
    500: '#283f2b',
    950: '#000000',
  },
}

SCSS

$custom: #283f2b;
$custom-light: #637464;
$custom-dark: #000000;

JSON

{
  "hex": "#283f2b",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 43
  },
  "hsl": {
    "h": 127.826,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34212,
    "c": 0.04515,
    "h": 147.8
  },
  "luminance": 0.04181
}

Semantic roles & 50–950 ramp

primary

#283F2B

secondary

#71526D

accent

#69B4BF

background

#F5F7F5

surface

#EAEDEA

border

#C6C8C6

text

#050805

muted

#797B79

Preview Lab

Preview with #283F2B

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

Preview Lab → · Contrast checker → · Palette generator →