#181501#181501

#181501 is a very dark, muted yellow. Relative luminance 0.007; OKLCH L 19.3% C 0.038 H 102.2°. Best body text is #FFFFFF at 18.32:1 contrast (WCAG AA passes).

Color values

HEX#181501
RGBrgb(24, 21, 1)
HSLhsl(52, 92%, 5%)
HSVhsv(52, 96%, 9%)
CMYKcmyk(0%, 12.5%, 95.8%, 90.6%)
CIE-LABlab(6.62, -1.88, 9.47)
CIE-LCHlch(6.62, 9.65, 101.26°)
OKLaboklab(19.35% -0.0081 0.0374)
OKLCHoklch(19.35% 0.038 102.2)
XYZxyz(0.6504, 0.7327, 0.1359)
Luminance0.0073 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#181501 #010418
analogous
#180A01 #181501 #101801
triadic
#181501 #011815 #150118
tetradic
#181501 #01180A #010418 #180110
square
#181501 #01180A #010418 #180110
split-complementary
#181501 #011018 #0A0118
monochromatic
#1D1A01 #1D1A01 #1D1A01 #534803 #8E7C06

Accessibility & contrast

On white

18.32
#181501 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.15
#181501 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181501
18.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##181501#FFFFFF#000000##FFFFFF
##1815011.0018.321.1518.32
#FFFFFF18.321.0021.001.00
#0000001.1521.001.0021.00
##FFFFFF18.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#181400
Deuteranopia (green-blind)
#191502
Tritanopia (blue-blind)
#1B1310
Achromatopsia (no color)
#151515

Design tokens & code

CSS
--color: #181501;
/* rgb */ color: rgb(24, 21, 1);
/* oklch */ color: oklch(19.3% 0.038 102.2);
Tailwind
colors: {
  custom: {
    50: '#545247',
    500: '#181501',
    950: '#000000',
  },
}
SCSS
$custom: #181501;
$custom-light: #545247;
$custom-dark: #000000;
JSON
{
  "hex": "#181501",
  "rgb": {
    "r": 24,
    "g": 21,
    "b": 1
  },
  "hsl": {
    "h": 52.174,
    "s": 92,
    "l": 4.902
  },
  "oklch": {
    "l": 0.19349,
    "c": 0.03821,
    "h": 102.2
  },
  "luminance": 0.00733
}

Semantic roles & 50–950 ramp

primary
#181501
secondary
#151F60
accent
#45FF29
background
#F4F4F3
surface
#E7E7E5
border
#C3C3C1
text
#020200
muted
#787877

Preview Lab

Preview with #181501

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

Preview Lab → · Contrast checker → · Palette generator →

#181501 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva