#2A0405#2A0405

#2A0405 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.9% C 0.064 H 24.0°. Best body text is #FFFFFF at 18.78:1 contrast (WCAG AA passes).

Color values

HEX	#2A0405
RGB	rgb(42, 4, 5)
HSL	hsl(358, 83%, 9%)
HSV	hsv(358, 90%, 16%)
CMYK	cmyk(0%, 90.5%, 88.1%, 83.5%)
CIE-LAB	lab(5.33, 18.55, 6.28)
CIE-LCH	lch(5.33, 19.59, 18.71°)
OKLab	oklab(18.85% 0.0586 0.0261)
OKLCH	oklch(18.85% 0.064 24)
XYZ	xyz(1.0258, 0.5902, 0.2035)
Luminance	0.0059 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0405 #042A29

analogous

#2A0418 #2A0405 #2A1604

triadic

#2A0405 #052A04 #04052A

tetradic

#2A0405 #182A04 #042A29 #16042A

square

#2A0405 #182A04 #042A29 #16042A

split-complementary

#2A0405 #042A16 #04182A

monochromatic

#1C0303 #1C0303 #2A0405 #62090C #9A0F12

Accessibility & contrast

On white

18.78

#2A0405 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2A0405 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0405

18.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0405	#FFFFFF	#000000	##FFFFFF
##2A0405	1.00	18.78	1.12	18.78
#FFFFFF	18.78	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0C05

Deuteranopia (green-blind)

#181504

Tritanopia (blue-blind)

#2F0005

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2a0405;
/* rgb */ color: rgb(42, 4, 5);
/* oklch */ color: oklch(18.9% 0.064 24.0);

Tailwind

colors: {
  custom: {
    50: '#664849',
    500: '#2a0405',
    950: '#000000',
  },
}

SCSS

$custom: #2a0405;
$custom-light: #664849;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0405",
  "rgb": {
    "r": 42,
    "g": 4,
    "b": 5
  },
  "hsl": {
    "h": 358.421,
    "s": 82.609,
    "l": 9.02
  },
  "oklch": {
    "l": 0.18851,
    "c": 0.0642,
    "h": 24
  },
  "luminance": 0.0059
}

Semantic roles & 50–950 ramp

primary

#2A0405

secondary

#1D6D6B

accent

#F9F42F

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2A0405

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

Preview Lab → · Contrast checker → · Palette generator →