#171901#171901

#171901 is a very dark, muted yellow. Relative luminance 0.009; OKLCH L 20.4% C 0.044 H 113.8°. Best body text is #FFFFFF at 17.86:1 contrast (WCAG AA passes).

Color values

HEX#171901
RGBrgb(23, 25, 1)
HSLhsl(65, 92%, 5%)
HSVhsv(65, 96%, 10%)
CMYKcmyk(8%, 0%, 96%, 90.2%)
CIE-LABlab(7.95, -5.31, 11.39)
CIE-LCHlch(7.95, 12.57, 114.98°)
OKLaboklab(20.45% -0.0176 0.04)
OKLCHoklch(20.45% 0.044 113.8)
XYZxyz(0.7065, 0.8796, 0.1613)
Luminance0.0088 (WCAG relative)
Temperaturewarm
Familyyellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#171901 #030119
analogous
#190F01 #171901 #0B1901
triadic
#171901 #011719 #190117
tetradic
#171901 #01190F #030119 #19010B
square
#171901 #01190F #030119 #19010B
split-complementary
#171901 #010B19 #0F0119
monochromatic
#1B1D01 #1B1D01 #1B1D01 #4D5403 #838F06

Accessibility & contrast

On white

17.86
#171901 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.18
#171901 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171901
17.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##171901#FFFFFF#000000##FFFFFF
##1719011.0017.861.1817.86
#FFFFFF17.861.0021.001.00
#0000001.1821.001.0021.00
##FFFFFF17.861.0021.001.00

Color blindness preview

Protanopia (red-blind)
#1C1700
Deuteranopia (green-blind)
#1C1802
Tritanopia (blue-blind)
#191714
Achromatopsia (no color)
#171717

Design tokens & code

CSS
--color: #171901;
/* rgb */ color: rgb(23, 25, 1);
/* oklch */ color: oklch(20.4% 0.044 113.8);
Tailwind
colors: {
  custom: {
    50: '#535547',
    500: '#171901',
    950: '#000000',
  },
}
SCSS
$custom: #171901;
$custom-light: #535547;
$custom-dark: #000000;
JSON
{
  "hex": "#171901",
  "rgb": {
    "r": 23,
    "g": 25,
    "b": 1
  },
  "hsl": {
    "h": 65,
    "s": 92.308,
    "l": 5.098
  },
  "oklch": {
    "l": 0.2045,
    "c": 0.04365,
    "h": 113.8
  },
  "luminance": 0.0088
}

Semantic roles & 50–950 ramp

primary
#171901
secondary
#1B1561
accent
#29FF3B
background
#F4F4F3
surface
#E7E7E5
border
#C3C3C1
text
#020300
muted
#787877

Preview Lab

Preview with #171901

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

Preview Lab → · Contrast checker → · Palette generator →

#171901 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva