#1B5D2D#1B5D2D

#1B5D2D is a dark, moderate green. Relative luminance 0.083; OKLCH L 42.4% C 0.102 H 148.9°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX#1B5D2D
RGBrgb(27, 93, 45)
HSLhsl(136, 55%, 24%)
HSVhsv(136, 71%, 36%)
CMYKcmyk(71%, 0%, 51.6%, 63.5%)
CIE-LABlab(34.50, -32.35, 21.60)
CIE-LCHlch(34.50, 38.90, 146.27°)
OKLaboklab(42.44% -0.0872 0.0526)
OKLCHoklch(42.44% 0.102 148.9)
XYZxyz(4.8396, 8.2507, 3.8196)
Luminance0.0825 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5D2D #5D1B4B
analogous
#2A5D1B #1B5D2D #1B5D4E
triadic
#1B5D2D #2D1B5D #5D2D1B
tetradic
#1B5D2D #1B2A5D #5D1B4B #5D4E1B
square
#1B5D2D #1B2A5D #5D1B4B #5D4E1B
split-complementary
#1B5D2D #4E1B5D #5D1B2A
monochromatic
#07180B #0D2E16 #1B5D2D #298C44 #37BC5B

Accessibility & contrast

On white

7.92
#1B5D2D on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.65
#1B5D2D on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5D2D
7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5D2D#FFFFFF#000000##FFFFFF
##1B5D2D1.007.922.657.92
#FFFFFF7.921.0021.001.00
#0000002.6521.001.0021.00
##FFFFFF7.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5E5529
Deuteranopia (green-blind)
#564F30
Tritanopia (blue-blind)
#025B52
Achromatopsia (no color)
#515151

Design tokens & code

CSS
--color: #1b5d2d;
/* rgb */ color: rgb(27, 93, 45);
/* oklch */ color: oklch(42.4% 0.102 148.9);
Tailwind
colors: {
  custom: {
    50: '#618c67',
    500: '#1b5d2d',
    950: '#000000',
  },
}
SCSS
$custom: #1b5d2d;
$custom-light: #618c67;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5d2d",
  "rgb": {
    "r": 27,
    "g": 93,
    "b": 45
  },
  "hsl": {
    "h": 136.364,
    "s": 55,
    "l": 23.529
  },
  "oklch": {
    "l": 0.42441,
    "c": 0.10186,
    "h": 148.9
  },
  "luminance": 0.08251
}

Semantic roles & 50–950 ramp

primary
#1B5D2D
secondary
#93417C
accent
#49B6DE
background
#F6F8F6
surface
#EBF0EB
border
#C6CBC6
text
#050C06
muted
#7A7D7A

Preview Lab

Preview with #1B5D2D

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5D2D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva