#2A0101#2A0101

#2A0101 is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.1% C 0.071 H 28.2°. Best body text is #FFFFFF at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A0101
RGB	rgb(42, 1, 1)
HSL	hsl(0, 95%, 8%)
HSV	hsv(0, 98%, 16%)
CMYK	cmyk(0%, 97.6%, 97.6%, 83.5%)
CIE-LAB	lab(4.66, 19.44, 6.94)
CIE-LCH	lch(4.66, 20.64, 19.64°)
OKLab	oklab(18.14% 0.0626 0.0336)
OKLCH	oklch(18.14% 0.071 28.2)
XYZ	xyz(0.9713, 0.5163, 0.0772)
Luminance	0.0052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0101 #012A2A

analogous

#2A0115 #2A0101 #2A1501

triadic

#2A0101 #012A01 #01012A

tetradic

#2A0101 #152A01 #012A2A #15012A

square

#2A0101 #152A01 #012A2A #15012A

split-complementary

#2A0101 #012A15 #01152A

monochromatic

#1E0101 #1E0101 #2A0101 #660202 #A20404

Accessibility & contrast

On white

19.04

#2A0101 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#2A0101 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0101

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0101	#FFFFFF	#000000	##FFFFFF
##2A0101	1.00	19.04	1.10	19.04
#FFFFFF	19.04	1.00	21.00	1.00
#000000	1.10	21.00	1.00	21.00
##FFFFFF	19.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0A01

Deuteranopia (green-blind)

#171300

Tritanopia (blue-blind)

#300001

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #2a0101;
/* rgb */ color: rgb(42, 1, 1);
/* oklch */ color: oklch(18.1% 0.071 28.2);

Tailwind

colors: {
  custom: {
    50: '#664647',
    500: '#2a0101',
    950: '#000000',
  },
}

SCSS

$custom: #2a0101;
$custom-light: #664647;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0101",
  "rgb": {
    "r": 42,
    "g": 1,
    "b": 1
  },
  "hsl": {
    "h": 0,
    "s": 95.349,
    "l": 8.431
  },
  "oklch": {
    "l": 0.18139,
    "c": 0.07101,
    "h": 28.2
  },
  "luminance": 0.00516
}

Semantic roles & 50–950 ramp

primary

#2A0101

secondary

#167070

accent

#FFFF29

background

#F6F3F3

surface

#EBE5E5

border

#C6C1C1

text

#060000

muted

#7A7677

Preview Lab

Preview with #2A0101

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

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