#1B3203#1B3203

#1B3203 is a dark, moderate yellow-green. Relative luminance 0.025; OKLCH L 28.7% C 0.076 H 132.6°. Best body text is #FFFFFF at 13.96:1 contrast (WCAG AA passes).

Color values

HEX#1B3203
RGBrgb(27, 50, 3)
HSLhsl(89, 89%, 10%)
HSVhsv(89, 94%, 20%)
CMYKcmyk(46%, 0%, 94%, 80.4%)
CIE-LABlab(18.01, -18.22, 24.08)
CIE-LCHlch(18.01, 30.19, 127.12°)
OKLaboklab(28.71% -0.0516 0.0562)
OKLCHoklch(28.71% 0.076 132.6)
XYZxyz(1.6090, 2.5207, 0.4879)
Luminance0.0252 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B3203 #1A0332
analogous
#323103 #1B3203 #033203
triadic
#1B3203 #031B32 #32031B
tetradic
#1B3203 #033231 #1A0332 #320303
square
#1B3203 #033231 #1A0332 #320303
split-complementary
#1B3203 #030332 #310332
monochromatic
#101D02 #101D02 #1B3203 #3A6C06 #59A50A

Accessibility & contrast

On white

13.96
#1B3203 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.50
#1B3203 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3203
13.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B3203#FFFFFF#000000##FFFFFF
##1B32031.0013.961.5013.96
#FFFFFF13.961.0021.001.00
#0000001.5021.001.0021.00
##FFFFFF13.961.0021.001.00

Color blindness preview

Protanopia (red-blind)
#352D00
Deuteranopia (green-blind)
#312B07
Tritanopia (blue-blind)
#1B2F29
Achromatopsia (no color)
#2C2C2C

Design tokens & code

CSS
--color: #1b3203;
/* rgb */ color: rgb(27, 50, 3);
/* oklch */ color: oklch(28.7% 0.076 132.6);
Tailwind
colors: {
  custom: {
    50: '#5a6a48',
    500: '#1b3203',
    950: '#000000',
  },
}
SCSS
$custom: #1b3203;
$custom-light: #5a6a48;
$custom-dark: #000000;
JSON
{
  "hex": "#1b3203",
  "rgb": {
    "r": 27,
    "g": 50,
    "b": 3
  },
  "hsl": {
    "h": 89.362,
    "s": 88.679,
    "l": 10.392
  },
  "oklch": {
    "l": 0.28712,
    "c": 0.07627,
    "h": 132.6
  },
  "luminance": 0.02521
}

Semantic roles & 50–950 ramp

primary
#1B3203
secondary
#471B75
accent
#29FF92
background
#F5F6F4
surface
#E9EBE6
border
#C5C6C2
text
#040600
muted
#797A77

Preview Lab

Preview with #1B3203

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

Preview Lab → · Contrast checker → · Palette generator →

#1B3203 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva