#283F2F#283F2F

#283F2F is a dark, muted green. Relative luminance 0.042; OKLCH L 34.3% C 0.040 H 153.5°. Best body text is #FFFFFF at 11.40:1 contrast (WCAG AA passes).

Color values

HEX	#283F2F
RGB	rgb(40, 63, 47)
HSL	hsl(138, 22%, 20%)
HSV	hsv(138, 37%, 25%)
CMYK	cmyk(36.5%, 0%, 25.4%, 75.3%)
CIE-LAB	lab(24.36, -13.09, 7.01)
CIE-LCH	lch(24.36, 14.85, 151.83°)
OKLab	oklab(34.32% -0.036 0.018)
OKLCH	oklch(34.32% 0.04 153.5)
XYZ	xyz(3.1655, 4.2112, 3.3348)
Luminance	0.0421 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F2F #3F2838

analogous

#2C3F28 #283F2F #283F3A

triadic

#283F2F #2F283F #3F2F28

tetradic

#283F2F #282C3F #3F2838 #3F3A28

square

#283F2F #282C3F #3F2838 #3F3A28

split-complementary

#283F2F #3A283F #3F282C

monochromatic

#0C130E #101A13 #283F2F #40644B #588A67

Accessibility & contrast

On white

11.40

#283F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#283F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F2F

11.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F2F	#FFFFFF	#000000	##FFFFFF
##283F2F	1.00	11.40	1.84	11.40
#FFFFFF	11.40	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3B2E

Deuteranopia (green-blind)

#3B3930

Tritanopia (blue-blind)

#243E3B

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #283f2f;
/* rgb */ color: rgb(40, 63, 47);
/* oklch */ color: oklch(34.3% 0.040 153.5);

Tailwind

colors: {
  custom: {
    50: '#637467',
    500: '#283f2f',
    950: '#000000',
  },
}

SCSS

$custom: #283f2f;
$custom-light: #637467;
$custom-dark: #000000;

JSON

{
  "hex": "#283f2f",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 138.261,
    "s": 22.33,
    "l": 20.196
  },
  "oklch": {
    "l": 0.34324,
    "c": 0.04026,
    "h": 153.5
  },
  "luminance": 0.04211
}

Semantic roles & 50–950 ramp

primary

#283F2F

secondary

#715267

accent

#69A5BF

background

#F5F7F6

surface

#EAEDEB

border

#C6C8C6

text

#050806

muted

#797B7A

Preview Lab

Preview with #283F2F

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

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