#1F3609#1F3609

#1F3609 is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.3% C 0.074 H 132.9°. Best body text is #FFFFFF at 13.21:1 contrast (WCAG AA passes).

Color values

HEX#1F3609
RGBrgb(31, 54, 9)
HSLhsl(91, 71%, 12%)
HSVhsv(91, 83%, 21%)
CMYKcmyk(42.6%, 0%, 83.3%, 78.8%)
CIE-LABlab(19.84, -17.99, 23.82)
CIE-LCHlch(19.84, 29.85, 127.06°)
OKLaboklab(30.29% -0.0506 0.0545)
OKLCHoklch(30.29% 0.074 132.9)
XYZxyz(1.9335, 2.9493, 0.7258)
Luminance0.0295 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1F3609 #200936
analogous
#363609 #1F3609 #09360A
triadic
#1F3609 #091F36 #36091F
tetradic
#1F3609 #093636 #200936 #360A09
square
#1F3609 #093636 #200936 #360A09
split-complementary
#1F3609 #0A0936 #360936
monochromatic
#0F1A04 #0F1A04 #1F3609 #3D6A12 #5B9F1A

Accessibility & contrast

On white

13.21
#1F3609 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.59
#1F3609 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F3609
13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1F3609#FFFFFF#000000##FFFFFF
##1F36091.0013.211.5913.21
#FFFFFF13.211.0021.001.00
#0000001.5921.001.0021.00
##FFFFFF13.211.0021.001.00

Color blindness preview

Protanopia (red-blind)
#393103
Deuteranopia (green-blind)
#352F0D
Tritanopia (blue-blind)
#1F332D
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #1f3609;
/* rgb */ color: rgb(31, 54, 9);
/* oklch */ color: oklch(30.3% 0.074 132.9);
Tailwind
colors: {
  custom: {
    50: '#5d6d4c',
    500: '#1f3609',
    950: '#000000',
  },
}
SCSS
$custom: #1f3609;
$custom-light: #5d6d4c;
$custom-dark: #000000;
JSON
{
  "hex": "#1f3609",
  "rgb": {
    "r": 31,
    "g": 54,
    "b": 9
  },
  "hsl": {
    "h": 90.667,
    "s": 71.429,
    "l": 12.353
  },
  "oklch": {
    "l": 0.30291,
    "c": 0.07433,
    "h": 132.9
  },
  "luminance": 0.02949
}

Semantic roles & 50–950 ramp

primary
#1F3609
secondary
#4E2774
accent
#3AEE96
background
#F5F6F4
surface
#E9EBE7
border
#C5C6C3
text
#040701
muted
#797A77

Preview Lab

Preview with #1F3609

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

Preview Lab → · Contrast checker → · Palette generator →

#1F3609 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva