#171C01#171C01

#171C01 is a very dark, muted yellow-green. Relative luminance 0.010; OKLCH L 21.4% C 0.048 H 118.8°. Best body text is #FFFFFF at 17.46:1 contrast (WCAG AA passes).

Color values

HEX#171C01
RGBrgb(23, 28, 1)
HSLhsl(71, 93%, 6%)
HSVhsv(71, 96%, 11%)
CMYKcmyk(17.9%, 0%, 96.4%, 89%)
CIE-LABlab(9.12, -7.58, 13.09)
CIE-LCHlch(9.12, 15.12, 120.08°)
OKLaboklab(21.39% -0.0231 0.0421)
OKLCHoklch(21.39% 0.048 118.8)
XYZxyz(0.7741, 1.0149, 0.1838)
Luminance0.0101 (WCAG relative)
Temperaturewarm
Familyyellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#171C01 #06011C
analogous
#1C1301 #171C01 #091C01
triadic
#171C01 #01171C #1C0117
tetradic
#171C01 #011C13 #06011C #1C0109
square
#171C01 #011C13 #06011C #1C0109
split-complementary
#171C01 #01091C #13011C
monochromatic
#181E01 #181E01 #181E01 #485703 #789205

Accessibility & contrast

On white

17.46
#171C01 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.20
#171C01 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171C01
17.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##171C01#FFFFFF#000000##FFFFFF
##171C011.0017.461.2017.46
#FFFFFF17.461.0021.001.00
#0000001.2021.001.0021.00
##FFFFFF17.461.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1F1A00
Deuteranopia (green-blind)
#1E1A02
Tritanopia (blue-blind)
#191A16
Achromatopsia (no color)
#1A1A1A

Design tokens & code

CSS
--color: #171c01;
/* rgb */ color: rgb(23, 28, 1);
/* oklch */ color: oklch(21.4% 0.048 118.8);
Tailwind
colors: {
  custom: {
    50: '#535847',
    500: '#171c01',
    950: '#000000',
  },
}
SCSS
$custom: #171c01;
$custom-light: #535847;
$custom-dark: #000000;
JSON
{
  "hex": "#171c01",
  "rgb": {
    "r": 23,
    "g": 28,
    "b": 1
  },
  "hsl": {
    "h": 71.111,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.2139,
    "c": 0.04804,
    "h": 118.8
  },
  "luminance": 0.01015
}

Semantic roles & 50–950 ramp

primary
#171C01
secondary
#241564
accent
#29FF50
background
#F4F5F3
surface
#E7E9E5
border
#C3C5C1
text
#020300
muted
#787877

Preview Lab

Preview with #171C01

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

Preview Lab → · Contrast checker → · Palette generator →

#171C01 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva