#191C01#191C01

#191C01 is a very dark, muted yellow. Relative luminance 0.010; OKLCH L 21.6% C 0.047 H 115.3°. Best body text is #FFFFFF at 17.39:1 contrast (WCAG AA passes).

Color values

HEX	#191C01
RGB	rgb(25, 28, 1)
HSL	hsl(67, 93%, 6%)
HSV	hsv(67, 96%, 11%)
CMYK	cmyk(10.7%, 0%, 96.4%, 89%)
CIE-LAB	lab(9.32, -6.49, 13.40)
CIE-LCH	lch(9.32, 14.89, 115.85°)
OKLab	oklab(21.6% -0.0201 0.0425)
OKLCH	oklch(21.6% 0.047 115.3)
XYZ	xyz(0.8217, 1.0394, 0.1860)
Luminance	0.0104 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#191C01 #04011C

analogous

#1C1101 #191C01 #0B1C01

triadic

#191C01 #01191C #1C0119

tetradic

#191C01 #011C11 #04011C #1C010B

square

#191C01 #011C11 #04011C #1C010B

split-complementary

#191C01 #010B1C #11011C

monochromatic

#1A1E01 #1A1E01 #1A1E01 #4E5703 #839205

Accessibility & contrast

On white

17.39

#191C01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#191C01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #191C01

17.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##191C01	#FFFFFF	#000000	##FFFFFF
##191C01	1.00	17.39	1.21	17.39
#FFFFFF	17.39	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F1A00

Deuteranopia (green-blind)

#1F1A02

Tritanopia (blue-blind)

#1B1A16

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #191c01;
/* rgb */ color: rgb(25, 28, 1);
/* oklch */ color: oklch(21.6% 0.047 115.3);

Tailwind

colors: {
  custom: {
    50: '#555847',
    500: '#191c01',
    950: '#000000',
  },
}

SCSS

$custom: #191c01;
$custom-light: #555847;
$custom-dark: #000000;

JSON

{
  "hex": "#191c01",
  "rgb": {
    "r": 25,
    "g": 28,
    "b": 1
  },
  "hsl": {
    "h": 66.667,
    "s": 93.103,
    "l": 5.686
  },
  "oklch": {
    "l": 0.21602,
    "c": 0.04705,
    "h": 115.3
  },
  "luminance": 0.01039
}

Semantic roles & 50–950 ramp

primary

#191C01

secondary

#1E1564

accent

#29FF41

background

#F4F5F3

surface

#E8E9E5

border

#C4C5C1

text

#030300

muted

#787877

Preview Lab

Preview with #191C01

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

Preview Lab → · Contrast checker → · Palette generator →