#1B430B#1B430B

#1B430B is a dark, moderate green. Relative luminance 0.043; OKLCH L 34.1% C 0.095 H 138.5°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX#1B430B
RGBrgb(27, 67, 11)
HSLhsl(103, 72%, 15%)
HSVhsv(103, 84%, 26%)
CMYKcmyk(59.7%, 0%, 83.6%, 73.7%)
CIE-LABlab(24.55, -25.70, 27.91)
CIE-LCHlch(24.55, 37.94, 132.63°)
OKLaboklab(34.1% -0.0709 0.0628)
OKLCHoklch(34.1% 0.095 138.5)
XYZxyz(2.5195, 4.2713, 1.0082)
Luminance0.0427 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B430B #330B43
analogous
#37430B #1B430B #0B4317
triadic
#1B430B #0B1B43 #430B1B
tetradic
#1B430B #0B3743 #330B43 #43170B
square
#1B430B #0B3743 #330B43 #43170B
split-complementary
#1B430B #170B43 #430B37
monochromatic
#0B1A04 #0B1A04 #1B430B #307814 #45AC1C

Accessibility & contrast

On white

11.33
#1B430B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.85
#1B430B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B430B
11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B430B#FFFFFF#000000##FFFFFF
##1B430B1.0011.331.8511.33
#FFFFFF11.331.0021.001.00
#0000001.8521.001.0021.00
##FFFFFF11.331.0021.001.00

Color blindness preview

Protanopia (red-blind)
#453C03
Deuteranopia (green-blind)
#403911
Tritanopia (blue-blind)
#184038
Achromatopsia (no color)
#3A3A3A

Design tokens & code

CSS
--color: #1b430b;
/* rgb */ color: rgb(27, 67, 11);
/* oklch */ color: oklch(34.1% 0.095 138.5);
Tailwind
colors: {
  custom: {
    50: '#5d774e',
    500: '#1b430b',
    950: '#000000',
  },
}
SCSS
$custom: #1b430b;
$custom-light: #5d774e;
$custom-dark: #000000;
JSON
{
  "hex": "#1b430b",
  "rgb": {
    "r": 27,
    "g": 67,
    "b": 11
  },
  "hsl": {
    "h": 102.857,
    "s": 71.795,
    "l": 15.294
  },
  "oklch": {
    "l": 0.34103,
    "c": 0.09471,
    "h": 138.5
  },
  "luminance": 0.04271
}

Semantic roles & 50–950 ramp

primary
#1B430B
secondary
#672A80
accent
#39EFBB
background
#F5F7F4
surface
#E9EDE7
border
#C5C8C3
text
#040902
muted
#797B78

Preview Lab

Preview with #1B430B

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

Preview Lab → · Contrast checker → · Palette generator →

#1B430B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva