#283709#283709

#283709 is a dark, moderate yellow-green. Relative luminance 0.032; OKLCH L 31.3% C 0.070 H 126.1°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX#283709
RGBrgb(40, 55, 9)
HSLhsl(80, 72%, 13%)
HSVhsv(80, 84%, 22%)
CMYKcmyk(27.3%, 0%, 83.6%, 78.4%)
CIE-LABlab(20.84, -14.37, 25.12)
CIE-LCHlch(20.84, 28.94, 119.77°)
OKLaboklab(31.27% -0.0414 0.0568)
OKLCHoklch(31.27% 0.07 126.1)
XYZxyz(2.2906, 3.2032, 0.7560)
Luminance0.0320 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283709 #180937
analogous
#372F09 #283709 #113709
triadic
#283709 #092837 #370928
tetradic
#283709 #09372F #180937 #370911
square
#283709 #09372F #180937 #370911
split-complementary
#283709 #091137 #2F0937
monochromatic
#131A04 #131A04 #283709 #4E6C12 #75A01A

Accessibility & contrast

On white

12.80
#283709 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.64
#283709 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283709
12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283709#FFFFFF#000000##FFFFFF
##2837091.0012.801.6412.80
#FFFFFF12.801.0021.001.00
#0000001.6421.001.0021.00
##FFFFFF12.801.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A3303
Deuteranopia (green-blind)
#38320D
Tritanopia (blue-blind)
#2A342E
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #283709;
/* rgb */ color: rgb(40, 55, 9);
/* oklch */ color: oklch(31.3% 0.070 126.1);
Tailwind
colors: {
  custom: {
    50: '#646d4c',
    500: '#283709',
    950: '#000000',
  },
}
SCSS
$custom: #283709;
$custom-light: #646d4c;
$custom-dark: #000000;
JSON
{
  "hex": "#283709",
  "rgb": {
    "r": 40,
    "g": 55,
    "b": 9
  },
  "hsl": {
    "h": 79.565,
    "s": 71.875,
    "l": 12.549
  },
  "oklch": {
    "l": 0.3127,
    "c": 0.07027,
    "h": 126.1
  },
  "luminance": 0.03203
}

Semantic roles & 50–950 ramp

primary
#283709
secondary
#402775
accent
#39EF74
background
#F6F6F4
surface
#EBEBE7
border
#C6C6C3
text
#050701
muted
#7A7A77

Preview Lab

Preview with #283709

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

Preview Lab → · Contrast checker → · Palette generator →

#283709 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva