#283F30#283F30

#283F30 is a dark, muted green. Relative luminance 0.042; OKLCH L 34.4% C 0.039 H 155.2°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#283F30
RGB	rgb(40, 63, 48)
HSL	hsl(141, 22%, 20%)
HSV	hsv(141, 37%, 25%)
CMYK	cmyk(36.5%, 0%, 23.8%, 75.3%)
CIE-LAB	lab(24.38, -12.86, 6.39)
CIE-LCH	lch(24.38, 14.35, 153.58°)
OKLab	oklab(34.35% -0.0355 0.0164)
OKLCH	oklch(34.35% 0.039 155.2)
XYZ	xyz(3.1859, 4.2194, 3.4423)
Luminance	0.0422 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F30 #3F2837

analogous

#2B3F28 #283F30 #283F3B

triadic

#283F30 #30283F #3F3028

tetradic

#283F30 #282B3F #3F2837 #3F3B28

square

#283F30 #282B3F #3F2837 #3F3B28

split-complementary

#283F30 #3B283F #3F282B

monochromatic

#0C130E #101A13 #283F30 #40644D #588A69

Accessibility & contrast

On white

11.39

#283F30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#283F30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F30

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F30	#FFFFFF	#000000	##FFFFFF
##283F30	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2F

Deuteranopia (green-blind)

#3B3931

Tritanopia (blue-blind)

#243F3B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283f30;
/* rgb */ color: rgb(40, 63, 48);
/* oklch */ color: oklch(34.4% 0.039 155.2);

Tailwind

colors: {
  custom: {
    50: '#637468',
    500: '#283f30',
    950: '#000000',
  },
}

SCSS

$custom: #283f30;
$custom-light: #637468;
$custom-dark: #000000;

JSON

{
  "hex": "#283f30",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 48
  },
  "hsl": {
    "h": 140.87,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34353,
    "c": 0.03911,
    "h": 155.2
  },
  "luminance": 0.0422
}

Semantic roles & 50–950 ramp

primary

#283F30

secondary

#715266

accent

#69A1BF

background

#F5F7F6

surface

#EAEDEB

border

#C6C8C6

text

#050806

muted

#797B7A

Preview Lab

Preview with #283F30

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

Preview Lab → · Contrast checker → · Palette generator →