#1B2011#1B2011

#1B2011 is a very dark, muted yellow-green. Relative luminance 0.013; OKLCH L 23.4% C 0.028 H 123.6°. Best body text is #FFFFFF at 16.65:1 contrast (WCAG AA passes).

Color values

HEX#1B2011
RGBrgb(27, 32, 17)
HSLhsl(80, 31%, 10%)
HSVhsv(80, 47%, 13%)
CMYKcmyk(15.6%, 0%, 46.9%, 87.5%)
CIE-LABlab(11.32, -5.71, 9.13)
CIE-LCHlch(11.32, 10.77, 122.02°)
OKLaboklab(23.35% -0.0155 0.0234)
OKLCHoklch(23.35% 0.028 123.6)
XYZxyz(1.0697, 1.3065, 0.7260)
Luminance0.0131 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B2011 #161120
analogous
#201E11 #1B2011 #142011
triadic
#1B2011 #111B20 #20111B
tetradic
#1B2011 #11201E #161120 #201114
square
#1B2011 #11201E #161120 #201114
split-complementary
#1B2011 #111420 #1E1120
monochromatic
#11140B #11140B #1B2011 #3D4826 #5E703B

Accessibility & contrast

On white

16.65
#1B2011 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.26
#1B2011 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2011
16.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B2011#FFFFFF#000000##FFFFFF
##1B20111.0016.651.2616.65
#FFFFFF16.651.0021.001.00
#0000001.2621.001.0021.00
##FFFFFF16.651.0021.001.00

Color blindness preview

Protanopia (red-blind)
#221E10
Deuteranopia (green-blind)
#211E12
Tritanopia (blue-blind)
#1C1F1C
Achromatopsia (no color)
#1E1E1E

Design tokens & code

CSS
--color: #1b2011;
/* rgb */ color: rgb(27, 32, 17);
/* oklch */ color: oklch(23.4% 0.028 123.6);
Tailwind
colors: {
  custom: {
    50: '#575b4f',
    500: '#1b2011',
    950: '#000000',
  },
}
SCSS
$custom: #1b2011;
$custom-light: #575b4f;
$custom-dark: #000000;
JSON
{
  "hex": "#1b2011",
  "rgb": {
    "r": 27,
    "g": 32,
    "b": 17
  },
  "hsl": {
    "h": 80,
    "s": 30.612,
    "l": 9.608
  },
  "oklch": {
    "l": 0.23351,
    "c": 0.02813,
    "h": 123.6
  },
  "luminance": 0.01307
}

Semantic roles & 50–950 ramp

primary
#1B2011
secondary
#413755
accent
#61C783
background
#F5F5F4
surface
#E9E9E7
border
#C5C5C3
text
#030402
muted
#787978

Preview Lab

Preview with #1B2011

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

Preview Lab → · Contrast checker → · Palette generator →

#1B2011 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva