#1B2009#1B2009

#1B2009 is a very dark, muted yellow-green. Relative luminance 0.013; OKLCH L 23.2% C 0.040 H 119.8°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#1B2009
RGB	rgb(27, 32, 9)
HSL	hsl(73, 56%, 8%)
HSV	hsv(73, 72%, 13%)
CMYK	cmyk(15.6%, 0%, 71.9%, 87.5%)
CIE-LAB	lab(11.18, -6.93, 12.79)
CIE-LCH	lch(11.18, 14.55, 118.45°)
OKLab	oklab(23.19% -0.0198 0.0345)
OKLCH	oklch(23.19% 0.04 119.8)
XYZ	xyz(1.0178, 1.2858, 0.4529)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B2009 #0E0920

analogous

#201909 #1B2009 #0F2009

triadic

#1B2009 #091B20 #20091B

tetradic

#1B2009 #092019 #0E0920 #20090F

square

#1B2009 #092019 #0E0920 #20090F

split-complementary

#1B2009 #090F20 #190920

monochromatic

#141807 #141807 #1B2009 #435016 #6C8024

Accessibility & contrast

On white

16.70

#1B2009 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#1B2009 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2009

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B2009	#FFFFFF	#000000	##FFFFFF
##1B2009	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#221E07

Deuteranopia (green-blind)

#221E0A

Tritanopia (blue-blind)

#1D1E1B

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1b2009;
/* rgb */ color: rgb(27, 32, 9);
/* oklch */ color: oklch(23.2% 0.040 119.8);

Tailwind

colors: {
  custom: {
    50: '#575b4a',
    500: '#1b2009',
    950: '#000000',
  },
}

SCSS

$custom: #1b2009;
$custom-light: #575b4a;
$custom-dark: #000000;

JSON

{
  "hex": "#1b2009",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 9
  },
  "hsl": {
    "h": 73.043,
    "s": 56.098,
    "l": 8.039
  },
  "oklch": {
    "l": 0.23187,
    "c": 0.03978,
    "h": 119.8
  },
  "luminance": 0.01286
}

Semantic roles & 50–950 ramp

primary

#1B2009

secondary

#34285C

accent

#48DF69

background

#F5F5F4

surface

#E9E9E7

border

#C5C5C3

text

#030401

muted

#787977

Preview Lab

Preview with #1B2009

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

Preview Lab → · Contrast checker → · Palette generator →