#101818#101818

#101818 is a very dark, near-neutral teal. Relative luminance 0.008; OKLCH L 20.1% C 0.012 H 196.2°. Best body text is #FFFFFF at 18.01:1 contrast (WCAG AA passes).

Color values

HEX#101818
RGBrgb(16, 24, 24)
HSLhsl(180, 20%, 8%)
HSVhsv(180, 33%, 9%)
CMYKcmyk(33.3%, 0%, 0%, 90.6%)
CIE-LABlab(7.49, -3.41, -1.20)
CIE-LCHlch(7.49, 3.61, 199.38°)
OKLaboklab(20.1% -0.0114 -0.0033)
OKLCHoklch(20.1% 0.012 196.2)
XYZxyz(0.7051, 0.8293, 0.9869)
Luminance0.0083 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#101818 #181010
analogous
#101814 #101818 #101418
triadic
#101818 #181018 #181810
tetradic
#101818 #141018 #181010 #141810
square
#101818 #141018 #181010 #141810
split-complementary
#101818 #181014 #181410
monochromatic
#0C1212 #0C1212 #101818 #283D3D #416161

Accessibility & contrast

On white

18.01
#101818 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.17
#101818 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #101818
18.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##101818#FFFFFF#000000##FFFFFF
##1018181.0018.011.1718.01
#FFFFFF18.011.0021.001.00
#0000001.1721.001.0021.00
##FFFFFF18.011.0021.001.00

Color blindness preview

Protanopia (red-blind)
#171718
Deuteranopia (green-blind)
#151618
Tritanopia (blue-blind)
#0D1918
Achromatopsia (no color)
#171717

Design tokens & code

CSS
--color: #101818;
/* rgb */ color: rgb(16, 24, 24);
/* oklch */ color: oklch(20.1% 0.012 196.2);
Tailwind
colors: {
  custom: {
    50: '#4e5454',
    500: '#101818',
    950: '#000000',
  },
}
SCSS
$custom: #101818;
$custom-light: #4e5454;
$custom-dark: #000000;
JSON
{
  "hex": "#101818",
  "rgb": {
    "r": 16,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 180,
    "s": 20,
    "l": 7.843
  },
  "oklch": {
    "l": 0.20102,
    "c": 0.01188,
    "h": 196.2
  },
  "luminance": 0.00829
}

Semantic roles & 50–950 ramp

primary
#101818
secondary
#4B3939
accent
#6B6BBD
background
#F4F4F4
surface
#E7E7E7
border
#C3C3C3
text
#010202
muted
#777878

Preview Lab

Preview with #101818

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

Preview Lab → · Contrast checker → · Palette generator →

#101818 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva