#1B3305#1B3305

#1B3305 is a dark, moderate yellow-green. Relative luminance 0.026; OKLCH L 29.0% C 0.076 H 133.5°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#1B3305
RGB	rgb(27, 51, 5)
HSL	hsl(91, 82%, 11%)
HSV	hsv(91, 90%, 20%)
CMYK	cmyk(47.1%, 0%, 90.2%, 80%)
CIE-LAB	lab(18.42, -18.53, 23.74)
CIE-LCH	lch(18.42, 30.12, 127.98°)
OKLab	oklab(29.05% -0.0522 0.055)
OKLCH	oklch(29.05% 0.076 133.5)
XYZ	xyz(1.6632, 2.6115, 0.5600)
Luminance	0.0261 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 8.01

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B3305 #1D0533

analogous

#323305 #1B3305 #053306

triadic

#1B3305 #051B33 #33051B

tetradic

#1B3305 #053233 #1D0533 #330605

square

#1B3305 #053233 #1D0533 #330605

split-complementary

#1B3305 #060533 #330532

monochromatic

#0F1C03 #0F1C03 #1B3305 #396B0A #56A210

Accessibility & contrast

On white

13.79

#1B3305 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1B3305 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B3305

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B3305	#FFFFFF	#000000	##FFFFFF
##1B3305	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#352E00

Deuteranopia (green-blind)

#322C09

Tritanopia (blue-blind)

#1B312A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1b3305;
/* rgb */ color: rgb(27, 51, 5);
/* oklch */ color: oklch(29.0% 0.076 133.5);

Tailwind

colors: {
  custom: {
    50: '#5a6b49',
    500: '#1b3305',
    950: '#000000',
  },
}

SCSS

$custom: #1b3305;
$custom-light: #5a6b49;
$custom-dark: #000000;

JSON

{
  "hex": "#1b3305",
  "rgb": {
    "r": 27,
    "g": 51,
    "b": 5
  },
  "hsl": {
    "h": 91.304,
    "s": 82.143,
    "l": 10.98
  },
  "oklch": {
    "l": 0.29049,
    "c": 0.07584,
    "h": 133.5
  },
  "luminance": 0.02612
}

Semantic roles & 50–950 ramp

primary

#1B3305

secondary

#4C1F74

accent

#2FF898

background

#F5F6F4

surface

#E9EBE7

border

#C5C6C3

text

#040601

muted

#797A77

Preview Lab

Preview with #1B3305

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

Preview Lab → · Contrast checker → · Palette generator →