#290101#290101

#290101 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 17.9% C 0.070 H 28.2°. Best body text is #FFFFFF at 19.11:1 contrast (WCAG AA passes).

Color values

HEX	#290101
RGB	rgb(41, 1, 1)
HSL	hsl(0, 95%, 8%)
HSV	hsv(0, 98%, 16%)
CMYK	cmyk(0%, 97.6%, 97.6%, 83.9%)
CIE-LAB	lab(4.48, 18.72, 6.64)
CIE-LCH	lch(4.48, 19.86, 19.53°)
OKLab	oklab(17.89% 0.0616 0.033)
OKLCH	oklch(17.89% 0.07 28.2)
XYZ	xyz(0.9309, 0.4955, 0.0753)
Luminance	0.0050 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#290101 #012929

analogous

#290115 #290101 #291501

triadic

#290101 #012901 #010129

tetradic

#290101 #152901 #012929 #150129

square

#290101 #152901 #012929 #150129

split-complementary

#290101 #012915 #011529

monochromatic

#1E0101 #1E0101 #290101 #650202 #A00404

Accessibility & contrast

On white

19.11

#290101 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#290101 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #290101

19.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##290101	#FFFFFF	#000000	##FFFFFF
##290101	1.00	19.11	1.10	19.11
#FFFFFF	19.11	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0901

Deuteranopia (green-blind)

#171300

Tritanopia (blue-blind)

#2E0001

Achromatopsia (no color)

#0F0F0F

Design tokens & code

CSS

--color: #290101;
/* rgb */ color: rgb(41, 1, 1);
/* oklch */ color: oklch(17.9% 0.070 28.2);

Tailwind

colors: {
  custom: {
    50: '#644647',
    500: '#290101',
    950: '#000000',
  },
}

SCSS

$custom: #290101;
$custom-light: #644647;
$custom-dark: #000000;

JSON

{
  "hex": "#290101",
  "rgb": {
    "r": 41,
    "g": 1,
    "b": 1
  },
  "hsl": {
    "h": 0,
    "s": 95.238,
    "l": 8.235
  },
  "oklch": {
    "l": 0.1789,
    "c": 0.06989,
    "h": 28.2
  },
  "luminance": 0.00495
}

Semantic roles & 50–950 ramp

primary

#290101

secondary

#166F6F

accent

#FFFF29

background

#F6F3F3

surface

#EBE5E5

border

#C6C1C1

text

#060000

muted

#7A7677

Preview Lab

Preview with #290101

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

Preview Lab → · Contrast checker → · Palette generator →