#1B2300#1B2300

#1B2300 is a very dark, muted yellow-green. Relative luminance 0.014; OKLCH L 24.0% C 0.058 H 121.5°. Best body text is #FFFFFF at 16.32:1 contrast (WCAG AA passes).

Color values

HEX#1B2300
RGBrgb(27, 35, 0)
HSLhsl(74, 100%, 7%)
HSVhsv(74, 100%, 14%)
CMYKcmyk(22.9%, 0%, 100%, 86.3%)
CIE-LABlab(12.19, -10.04, 17.85)
CIE-LCHlch(12.19, 20.48, 119.36°)
OKLaboklab(23.96% -0.0301 0.0493)
OKLCHoklch(23.96% 0.058 121.5)
XYZxyz(1.0530, 1.4351, 0.2215)
Luminance0.0143 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#1B2300 #080023
analogous
#231A00 #1B2300 #0A2300
triadic
#1B2300 #001B23 #23001B
tetradic
#1B2300 #00231A #080023 #23000A
square
#1B2300 #00231A #080023 #23000A
split-complementary
#1B2300 #000A23 #1A0023
monochromatic
#181F00 #181F00 #1B2300 #4A6000 #799D00

Accessibility & contrast

On white

16.32
#1B2300 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.29
#1B2300 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B2300
16.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##1B2300#FFFFFF#000000##FFFFFF
##1B23001.0016.321.2916.32
#FFFFFF16.321.0021.001.00
#0000001.2921.001.0021.00
##FFFFFF16.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#262000
Deuteranopia (green-blind)
#252002
Tritanopia (blue-blind)
#1D201C
Achromatopsia (no color)
#202020

Design tokens & code

CSS
--color: #1b2300;
/* rgb */ color: rgb(27, 35, 0);
/* oklch */ color: oklch(24.0% 0.058 121.5);
Tailwind
colors: {
  custom: {
    50: '#575d46',
    500: '#1b2300',
    950: '#000000',
  },
}
SCSS
$custom: #1b2300;
$custom-light: #575d46;
$custom-dark: #000000;
JSON
{
  "hex": "#1b2300",
  "rgb": {
    "r": 27,
    "g": 35,
    "b": 0
  },
  "hsl": {
    "h": 73.714,
    "s": 100,
    "l": 6.863
  },
  "oklch": {
    "l": 0.23961,
    "c": 0.05777,
    "h": 121.5
  },
  "luminance": 0.01435
}

Semantic roles & 50–950 ramp

primary
#1B2300
secondary
#27136C
accent
#29FF5A
background
#F5F5F3
surface
#E9E9E5
border
#C5C5C1
text
#030400
muted
#787977

Preview Lab

Preview with #1B2300

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

Preview Lab → · Contrast checker → · Palette generator →

#1B2300 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva