#1B3304#1B3304

#1B3304 is a dark, moderate yellow-green. Relative luminance 0.026; OKLCH L 29.0% C 0.077 H 133.2°. Best body text is #FFFFFF at 13.80:1 contrast (WCAG AA passes).

Color values

HEX	#1B3304
RGB	rgb(27, 51, 4)
HSL	hsl(91, 85%, 11%)
HSV	hsv(91, 92%, 20%)
CMYK	cmyk(47.1%, 0%, 92.2%, 80%)
CIE-LAB	lab(18.41, -18.64, 24.14)
CIE-LCH	lch(18.41, 30.49, 127.67°)
OKLab	oklab(29.04% -0.0526 0.056)
OKLCH	oklch(29.04% 0.077 133.2)
XYZ	xyz(1.6577, 2.6093, 0.5311)
Luminance	0.0261 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 7.98

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3304 #1C0433

analogous

#323304 #1B3304 #043304

triadic

#1B3304 #041B33 #33041B

tetradic

#1B3304 #043233 #1C0433 #330404

square

#1B3304 #043233 #1C0433 #330404

split-complementary

#1B3304 #040433 #330432

monochromatic

#0F1C02 #0F1C02 #1B3304 #396C08 #57A40D

Accessibility & contrast

On white

13.80

#1B3304 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1B3304 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3304

13.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3304	#FFFFFF	#000000	##FFFFFF
##1B3304	1.00	13.80	1.52	13.80
#FFFFFF	13.80	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#362E00

Deuteranopia (green-blind)

#322C08

Tritanopia (blue-blind)

#1B312A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b3304;
/* rgb */ color: rgb(27, 51, 4);
/* oklch */ color: oklch(29.0% 0.077 133.2);

Tailwind

colors: {
  custom: {
    50: '#5a6b49',
    500: '#1b3304',
    950: '#000000',
  },
}

SCSS

$custom: #1b3304;
$custom-light: #5a6b49;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3304",
  "rgb": {
    "r": 27,
    "g": 51,
    "b": 4
  },
  "hsl": {
    "h": 90.638,
    "s": 85.455,
    "l": 10.784
  },
  "oklch": {
    "l": 0.29038,
    "c": 0.07679,
    "h": 133.2
  },
  "luminance": 0.02609
}

Semantic roles & 50–950 ramp

primary

#1B3304

secondary

#4A1D75

accent

#2CFC96

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040601

muted

#797A77

Preview Lab

Preview with #1B3304

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

Preview Lab → · Contrast checker → · Palette generator →