#28440E#28440E

#28440E is a dark, moderate yellow-green. Relative luminance 0.046; OKLCH L 35.2% C 0.086 H 133.1°. Best body text is #FFFFFF at 10.92:1 contrast (WCAG AA passes).

Color values

HEX#28440E
RGBrgb(40, 68, 14)
HSLhsl(91, 66%, 16%)
HSVhsv(91, 79%, 27%)
CMYKcmyk(41.2%, 0%, 79.4%, 73.3%)
CIE-LABlab(25.61, -20.98, 27.90)
CIE-LCHlch(25.61, 34.91, 126.94°)
OKLaboklab(35.17% -0.0589 0.063)
OKLCHoklch(35.17% 0.086 133.1)
XYZxyz(3.0214, 4.6169, 1.1473)
Luminance0.0462 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#28440E #2A0E44
analogous
#43440E #28440E #0E440F
triadic
#28440E #0E2844 #440E28
tetradic
#28440E #0E4344 #2A0E44 #440F0E
square
#28440E #0E4344 #2A0E44 #440F0E
split-complementary
#28440E #0F0E44 #440E43
monochromatic
#0F1905 #0F1905 #28440E #467718 #64AA23

Accessibility & contrast

On white

10.92
#28440E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.92
#28440E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28440E
10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##28440E#FFFFFF#000000##FFFFFF
##28440E1.0010.921.9210.92
#FFFFFF10.921.0021.001.00
#0000001.9221.001.0021.00
##FFFFFF10.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#473E06
Deuteranopia (green-blind)
#433C13
Tritanopia (blue-blind)
#284139
Achromatopsia (no color)
#3D3D3D

Design tokens & code

CSS
--color: #28440e;
/* rgb */ color: rgb(40, 68, 14);
/* oklch */ color: oklch(35.2% 0.086 133.1);
Tailwind
colors: {
  custom: {
    50: '#657850',
    500: '#28440e',
    950: '#000000',
  },
}
SCSS
$custom: #28440e;
$custom-light: #657850;
$custom-dark: #000000;
JSON
{
  "hex": "#28440e",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 14
  },
  "hsl": {
    "h": 91.111,
    "s": 65.854,
    "l": 16.078
  },
  "oklch": {
    "l": 0.35168,
    "c": 0.08628,
    "h": 133.1
  },
  "luminance": 0.04617
}

Semantic roles & 50–950 ramp

primary
#28440E
secondary
#582F7F
accent
#3FE997
background
#F6F7F4
surface
#EBEDE7
border
#C6C8C3
text
#060902
muted
#7A7B78

Preview Lab

Preview with #28440E

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

Preview Lab → · Contrast checker → · Palette generator →

#28440E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva