#1B3E09#1B3E09

#1B3E09 is a dark, moderate yellow-green. Relative luminance 0.037; OKLCH L 32.5% C 0.089 H 137.3°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX#1B3E09
RGBrgb(27, 62, 9)
HSLhsl(100, 75%, 14%)
HSVhsv(100, 85%, 24%)
CMYKcmyk(56.5%, 0%, 85.5%, 75.7%)
CIE-LABlab(22.65, -23.57, 26.82)
CIE-LCHlch(22.65, 35.70, 131.31°)
OKLaboklab(32.53% -0.0653 0.0603)
OKLCHoklch(32.53% 0.089 137.3)
XYZxyz(2.2239, 3.6978, 0.8550)
Luminance0.0370 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B3E09 #2C093E
analogous
#363E09 #1B3E09 #093E12
triadic
#1B3E09 #091B3E #3E091B
tetradic
#1B3E09 #09363E #2C093E #3E1209
square
#1B3E09 #09363E #2C093E #3E1209
split-complementary
#1B3E09 #12093E #3E0936
monochromatic
#0C1B04 #0C1B04 #1B3E09 #327311 #4AA919

Accessibility & contrast

On white

12.07
#1B3E09 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.74
#1B3E09 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3E09
12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B3E09#FFFFFF#000000##FFFFFF
##1B3E091.0012.071.7412.07
#FFFFFF12.071.0021.001.00
#0000001.7421.001.0021.00
##FFFFFF12.071.0021.001.00

Color blindness preview

Protanopia (red-blind)
#403802
Deuteranopia (green-blind)
#3C350F
Tritanopia (blue-blind)
#193B34
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #1b3e09;
/* rgb */ color: rgb(27, 62, 9);
/* oklch */ color: oklch(32.5% 0.089 137.3);
Tailwind
colors: {
  custom: {
    50: '#5c734d',
    500: '#1b3e09',
    950: '#000000',
  },
}
SCSS
$custom: #1b3e09;
$custom-light: #5c734d;
$custom-dark: #000000;
JSON
{
  "hex": "#1b3e09",
  "rgb": {
    "r": 27,
    "g": 62,
    "b": 9
  },
  "hsl": {
    "h": 99.623,
    "s": 74.648,
    "l": 13.922
  },
  "oklch": {
    "l": 0.32532,
    "c": 0.08889,
    "h": 137.3
  },
  "luminance": 0.03698
}

Semantic roles & 50–950 ramp

primary
#1B3E09
secondary
#5F277C
accent
#37F1B2
background
#F5F7F4
surface
#E9EDE7
border
#C5C8C3
text
#040801
muted
#797B77

Preview Lab

Preview with #1B3E09

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

Preview Lab → · Contrast checker → · Palette generator →

#1B3E09 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva