#1B5C2E#1B5C2E

#1B5C2E is a dark, moderate green. Relative luminance 0.081; OKLCH L 42.2% C 0.099 H 149.5°. Best body text is #FFFFFF at 8.02:1 contrast (WCAG AA passes).

Color values

HEX#1B5C2E
RGBrgb(27, 92, 46)
HSLhsl(138, 55%, 23%)
HSVhsv(138, 71%, 36%)
CMYKcmyk(70.7%, 0%, 50%, 63.9%)
CIE-LABlab(34.16, -31.74, 20.59)
CIE-LCHlch(34.16, 37.84, 147.03°)
OKLaboklab(42.16% -0.0856 0.0504)
OKLCHoklch(42.16% 0.099 149.5)
XYZxyz(4.7719, 8.0841, 3.8931)
Luminance0.0809 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B5C2E #5C1B49
analogous
#285C1B #1B5C2E #1B5C4E
triadic
#1B5C2E #2E1B5C #5C2E1B
tetradic
#1B5C2E #1B285C #5C1B49 #5C4E1B
square
#1B5C2E #1B285C #5C1B49 #5C4E1B
split-complementary
#1B5C2E #4E1B5C #5C1B28
monochromatic
#07180C #0D2D16 #1B5C2E #298B46 #37BB5D

Accessibility & contrast

On white

8.02
#1B5C2E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

2.62
#1B5C2E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B5C2E
8.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B5C2E#FFFFFF#000000##FFFFFF
##1B5C2E1.008.022.628.02
#FFFFFF8.021.0021.001.00
#0000002.6221.001.0021.00
##FFFFFF8.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#5D542A
Deuteranopia (green-blind)
#554E31
Tritanopia (blue-blind)
#025A51
Achromatopsia (no color)
#505050

Design tokens & code

CSS
--color: #1b5c2e;
/* rgb */ color: rgb(27, 92, 46);
/* oklch */ color: oklch(42.2% 0.099 149.5);
Tailwind
colors: {
  custom: {
    50: '#608b67',
    500: '#1b5c2e',
    950: '#000000',
  },
}
SCSS
$custom: #1b5c2e;
$custom-light: #608b67;
$custom-dark: #000000;
JSON
{
  "hex": "#1b5c2e",
  "rgb": {
    "r": 27,
    "g": 92,
    "b": 46
  },
  "hsl": {
    "h": 137.538,
    "s": 54.622,
    "l": 23.333
  },
  "oklch": {
    "l": 0.42164,
    "c": 0.09932,
    "h": 149.5
  },
  "luminance": 0.08085
}

Semantic roles & 50–950 ramp

primary
#1B5C2E
secondary
#92417A
accent
#4AB3DE
background
#F6F8F6
surface
#EBF0EB
border
#C6CBC6
text
#050C06
muted
#7A7D7A

Preview Lab

Preview with #1B5C2E

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

Preview Lab → · Contrast checker → · Palette generator →

#1B5C2E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva