#1B360D#1B360D

#1B360D is a dark, moderate yellow-green. Relative luminance 0.029; OKLCH L 30.1% C 0.073 H 136.6°. Best body text is #FFFFFF at 13.29:1 contrast (WCAG AA passes).

Color values

HEX#1B360D
RGBrgb(27, 54, 13)
HSLhsl(100, 61%, 13%)
HSVhsv(100, 76%, 21%)
CMYKcmyk(50%, 0%, 75.9%, 78.8%)
CIE-LABlab(19.64, -19.27, 21.80)
CIE-LCHlch(19.64, 29.10, 131.48°)
OKLaboklab(30.08% -0.0534 0.0504)
OKLCHoklch(30.08% 0.073 136.6)
XYZxyz(1.8438, 2.9003, 0.8434)
Luminance0.0290 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B360D #280D36
analogous
#2F360D #1B360D #0D3613
triadic
#1B360D #0D1B36 #360D1B
tetradic
#1B360D #0D2F36 #280D36 #36130D
square
#1B360D #0D2F36 #280D36 #36130D
split-complementary
#1B360D #130D36 #360D2F
monochromatic
#0C1906 #0C1906 #1B360D #346719 #4C9925

Accessibility & contrast

On white

13.29
#1B360D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.58
#1B360D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B360D
13.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B360D#FFFFFF#000000##FFFFFF
##1B360D1.0013.291.5813.29
#FFFFFF13.291.0021.001.00
#0000001.5821.001.0021.00
##FFFFFF13.291.0021.001.00

Color blindness preview

Protanopia (red-blind)
#383108
Deuteranopia (green-blind)
#342F10
Tritanopia (blue-blind)
#1A342E
Achromatopsia (no color)
#303030

Design tokens & code

CSS
--color: #1b360d;
/* rgb */ color: rgb(27, 54, 13);
/* oklch */ color: oklch(30.1% 0.073 136.6);
Tailwind
colors: {
  custom: {
    50: '#5a6d4e',
    500: '#1b360d',
    950: '#000000',
  },
}
SCSS
$custom: #1b360d;
$custom-light: #5a6d4e;
$custom-dark: #000000;
JSON
{
  "hex": "#1b360d",
  "rgb": {
    "r": 27,
    "g": 54,
    "b": 13
  },
  "hsl": {
    "h": 99.512,
    "s": 61.194,
    "l": 13.137
  },
  "oklch": {
    "l": 0.30076,
    "c": 0.07343,
    "h": 136.6
  },
  "luminance": 0.029
}

Semantic roles & 50–950 ramp

primary
#1B360D
secondary
#5A2D71
accent
#43E4AD
background
#F5F6F4
surface
#E9EBE7
border
#C5C6C3
text
#040701
muted
#797A77

Preview Lab

Preview with #1B360D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B360D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva