#283B0A#283B0A

#283B0A is a dark, moderate yellow-green. Relative luminance 0.036; OKLCH L 32.5% C 0.076 H 128.6°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX#283B0A
RGBrgb(40, 59, 10)
HSLhsl(83, 71%, 14%)
HSVhsv(83, 83%, 23%)
CMYKcmyk(32.2%, 0%, 83.1%, 76.9%)
CIE-LABlab(22.31, -16.54, 26.29)
CIE-LCHlch(22.31, 31.06, 122.17°)
OKLaboklab(32.46% -0.0472 0.0591)
OKLCHoklch(32.46% 0.076 128.6)
XYZxyz(2.4938, 3.6009, 0.8508)
Luminance0.0360 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283B0A #1D0A3B
analogous
#3B350A #283B0A #0F3B0A
triadic
#283B0A #0A283B #3B0A28
tetradic
#283B0A #0A3B35 #1D0A3B #3B0A0F
square
#283B0A #0A3B35 #1D0A3B #3B0A0F
split-complementary
#283B0A #0A0F3B #350A3B
monochromatic
#121A04 #121A04 #283B0A #4B6F13 #6FA41C

Accessibility & contrast

On white

12.21
#283B0A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.72
#283B0A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283B0A
12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283B0A#FFFFFF#000000##FFFFFF
##283B0A1.0012.211.7212.21
#FFFFFF12.211.0021.001.00
#0000001.7221.001.0021.00
##FFFFFF12.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3E3603
Deuteranopia (green-blind)
#3C350E
Tritanopia (blue-blind)
#2A3831
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #283b0a;
/* rgb */ color: rgb(40, 59, 10);
/* oklch */ color: oklch(32.5% 0.076 128.6);
Tailwind
colors: {
  custom: {
    50: '#64714d',
    500: '#283b0a',
    950: '#000000',
  },
}
SCSS
$custom: #283b0a;
$custom-light: #64714d;
$custom-dark: #000000;
JSON
{
  "hex": "#283b0a",
  "rgb": {
    "r": 40,
    "g": 59,
    "b": 10
  },
  "hsl": {
    "h": 83.265,
    "s": 71.014,
    "l": 13.529
  },
  "oklch": {
    "l": 0.32462,
    "c": 0.07562,
    "h": 128.6
  },
  "luminance": 0.03601
}

Semantic roles & 50–950 ramp

primary
#283B0A
secondary
#472878
accent
#3AEE80
background
#F6F6F4
surface
#EBECE7
border
#C6C7C3
text
#050701
muted
#7A7A77

Preview Lab

Preview with #283B0A

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

Preview Lab → · Contrast checker → · Palette generator →

#283B0A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva