#171A01#171A01

#171A01 is a very dark, muted yellow. Relative luminance 0.009; OKLCH L 20.8% C 0.045 H 115.6°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#171A01
RGB	rgb(23, 26, 1)
HSL	hsl(67, 93%, 5%)
HSV	hsv(67, 96%, 10%)
CMYK	cmyk(11.5%, 0%, 96.2%, 89.8%)
CIE-LAB	lab(8.33, -6.09, 11.96)
CIE-LCH	lch(8.33, 13.42, 117.00°)
OKLab	oklab(20.76% -0.0195 0.0407)
OKLCH	oklch(20.76% 0.045 115.6)
XYZ	xyz(0.7282, 0.9232, 0.1685)
Luminance	0.0092 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171A01 #04011A

analogous

#1A1001 #171A01 #0A1A01

triadic

#171A01 #01171A #1A0117

tetradic

#171A01 #011A10 #04011A #1A010A

square

#171A01 #011A10 #04011A #1A010A

split-complementary

#171A01 #010A1A #10011A

monochromatic

#1A1D01 #1A1D01 #1A1D01 #4B5503 #7F9006

Accessibility & contrast

On white

17.73

#171A01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#171A01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171A01

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171A01	#FFFFFF	#000000	##FFFFFF
##171A01	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1800

Deuteranopia (green-blind)

#1D1802

Tritanopia (blue-blind)

#191815

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #171a01;
/* rgb */ color: rgb(23, 26, 1);
/* oklch */ color: oklch(20.8% 0.045 115.6);

Tailwind

colors: {
  custom: {
    50: '#535647',
    500: '#171a01',
    950: '#000000',
  },
}

SCSS

$custom: #171a01;
$custom-light: #535647;
$custom-dark: #000000;

JSON

{
  "hex": "#171a01",
  "rgb": {
    "r": 23,
    "g": 26,
    "b": 1
  },
  "hsl": {
    "h": 67.2,
    "s": 92.593,
    "l": 5.294
  },
  "oklch": {
    "l": 0.20762,
    "c": 0.04509,
    "h": 115.6
  },
  "luminance": 0.00923
}

Semantic roles & 50–950 ramp

primary

#171A01

secondary

#1E1562

accent

#29FF43

background

#F4F5F3

surface

#E7E9E5

border

#C3C5C1

text

#020300

muted

#787877

Preview Lab

Preview with #171A01

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

Preview Lab → · Contrast checker → · Palette generator →