#283503#283503

#283503 is a dark, moderate yellow-green. Relative luminance 0.030; OKLCH L 30.6% C 0.073 H 123.8°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX#283503
RGBrgb(40, 53, 3)
HSLhsl(76, 89%, 11%)
HSVhsv(76, 94%, 21%)
CMYKcmyk(24.5%, 0%, 94.3%, 79.2%)
CIE-LABlab(20.06, -13.70, 26.69)
CIE-LCHlch(20.06, 30.00, 117.18°)
OKLaboklab(30.62% -0.0403 0.0603)
OKLCHoklch(30.62% 0.073 123.8)
XYZxyz(2.1646, 3.0039, 0.5519)
Luminance0.0300 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#283503 #100335
analogous
#352903 #283503 #0F3503
triadic
#283503 #032835 #350328
tetradic
#283503 #033529 #100335 #35030F
square
#283503 #033529 #100335 #35030F
split-complementary
#283503 #030F35 #290335
monochromatic
#161D02 #161D02 #283503 #546F06 #7FA90A

Accessibility & contrast

On white

13.12
#283503 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.60
#283503 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283503
13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##283503#FFFFFF#000000##FFFFFF
##2835031.0013.121.6013.12
#FFFFFF13.121.0021.001.00
#0000001.6021.001.0021.00
##FFFFFF13.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#393100
Deuteranopia (green-blind)
#373007
Tritanopia (blue-blind)
#2B322C
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #283503;
/* rgb */ color: rgb(40, 53, 3);
/* oklch */ color: oklch(30.6% 0.073 123.8);
Tailwind
colors: {
  custom: {
    50: '#646c49',
    500: '#283503',
    950: '#000000',
  },
}
SCSS
$custom: #283503;
$custom-light: #646c49;
$custom-dark: #000000;
JSON
{
  "hex": "#283503",
  "rgb": {
    "r": 40,
    "g": 53,
    "b": 3
  },
  "hsl": {
    "h": 75.6,
    "s": 89.286,
    "l": 10.98
  },
  "oklch": {
    "l": 0.30622,
    "c": 0.07255,
    "h": 123.8
  },
  "luminance": 0.03004
}

Semantic roles & 50–950 ramp

primary
#283503
secondary
#341C78
accent
#29FF60
background
#F6F6F4
surface
#EBEBE7
border
#C6C6C3
text
#050701
muted
#7A7A77

Preview Lab

Preview with #283503

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

Preview Lab → · Contrast checker → · Palette generator →

#283503 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva