#283F23#283F23

#283F23 is a dark, muted green. Relative luminance 0.041; OKLCH L 34.0% C 0.055 H 140.0°. Best body text is #FFFFFF at 11.50:1 contrast (WCAG AA passes).

Color values

HEX	#283F23
RGB	rgb(40, 63, 35)
HSL	hsl(109, 29%, 19%)
HSV	hsv(109, 44%, 25%)
CMYK	cmyk(36.5%, 0%, 44.4%, 75.3%)
CIE-LAB	lab(24.09, -15.56, 14.39)
CIE-LCH	lch(24.09, 21.19, 137.23°)
OKLab	oklab(34.02% -0.0425 0.0356)
OKLCH	oklch(34.02% 0.055 140)
XYZ	xyz(2.9558, 4.1274, 2.2307)
Luminance	0.0413 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283F23 #3A233F

analogous

#363F23 #283F23 #233F2C

triadic

#283F23 #23283F #3F2328

tetradic

#283F23 #23363F #3A233F #3F2C23

square

#283F23 #23363F #3A233F #3F2C23

split-complementary

#283F23 #2C233F #3F2336

monochromatic

#0C140B #0F180D #283F23 #416639 #5A8E4F

Accessibility & contrast

On white

11.50

#283F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#283F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283F23

11.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283F23	#FFFFFF	#000000	##FFFFFF
##283F23	1.00	11.50	1.83	11.50
#FFFFFF	11.50	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413B21

Deuteranopia (green-blind)

#3D3825

Tritanopia (blue-blind)

#263D38

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #283f23;
/* rgb */ color: rgb(40, 63, 35);
/* oklch */ color: oklch(34.0% 0.055 140.0);

Tailwind

colors: {
  custom: {
    50: '#63745e',
    500: '#283f23',
    950: '#000000',
  },
}

SCSS

$custom: #283f23;
$custom-light: #63745e;
$custom-dark: #000000;

JSON

{
  "hex": "#283f23",
  "rgb": {
    "r": 40,
    "g": 63,
    "b": 35
  },
  "hsl": {
    "h": 109.286,
    "s": 28.571,
    "l": 19.216
  },
  "oklch": {
    "l": 0.34017,
    "c": 0.05542,
    "h": 140
  },
  "luminance": 0.04127
}

Semantic roles & 50–950 ramp

primary

#283F23

secondary

#6B4C72

accent

#63C5B3

background

#F5F7F5

surface

#EAEDE9

border

#C6C8C5

text

#050804

muted

#797B79

Preview Lab

Preview with #283F23

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

Preview Lab → · Contrast checker → · Palette generator →