#283A2D#283A2D

#283A2D is a dark, muted green. Relative luminance 0.037; OKLCH L 32.8% C 0.033 H 153.0°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#283A2D
RGB	rgb(40, 58, 45)
HSL	hsl(137, 18%, 19%)
HSV	hsv(137, 31%, 23%)
CMYK	cmyk(31%, 0%, 22.4%, 77.3%)
CIE-LAB	lab(22.54, -10.56, 5.78)
CIE-LCH	lch(22.54, 12.04, 151.33°)
OKLab	oklab(32.84% -0.0291 0.0149)
OKLCH	oklch(32.84% 0.033 153)
XYZ	xyz(2.8616, 3.6666, 3.0391)
Luminance	0.0367 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283A2D #3A2835

analogous

#2C3A28 #283A2D #283A36

triadic

#283A2D #2D283A #3A2D28

tetradic

#283A2D #282C3A #3A2835 #3A3628

square

#283A2D #282C3A #3A2835 #3A3628

split-complementary

#283A2D #36283A #3A282C

monochromatic

#0C120E #0F1611 #283A2D #415E49 #5A8265

Accessibility & contrast

On white

12.11

#283A2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#283A2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283A2D

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283A2D	#FFFFFF	#000000	##FFFFFF
##283A2D	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372C

Deuteranopia (green-blind)

#37352E

Tritanopia (blue-blind)

#253936

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #283a2d;
/* rgb */ color: rgb(40, 58, 45);
/* oklch */ color: oklch(32.8% 0.033 153.0);

Tailwind

colors: {
  custom: {
    50: '#627065',
    500: '#283a2d',
    950: '#000000',
  },
}

SCSS

$custom: #283a2d;
$custom-light: #627065;
$custom-dark: #000000;

JSON

{
  "hex": "#283a2d",
  "rgb": {
    "r": 40,
    "g": 58,
    "b": 45
  },
  "hsl": {
    "h": 136.667,
    "s": 18.367,
    "l": 19.216
  },
  "oklch": {
    "l": 0.32842,
    "c": 0.03272,
    "h": 153
  },
  "luminance": 0.03667
}

Semantic roles & 50–950 ramp

primary

#283A2D

secondary

#6B5364

accent

#6DA5BB

background

#F5F6F6

surface

#EAECEB

border

#C6C7C6

text

#050705

muted

#797A7A

Preview Lab

Preview with #283A2D

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

Preview Lab → · Contrast checker → · Palette generator →