#2A0505#2A0505

#2A0505 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.0% C 0.062 H 25.4°. Best body text is #FFFFFF at 18.71:1 contrast (WCAG AA passes).

Color values

HEX	#2A0505
RGB	rgb(42, 5, 5)
HSL	hsl(0, 79%, 9%)
HSV	hsv(0, 88%, 16%)
CMYK	cmyk(0%, 88.1%, 88.1%, 83.5%)
CIE-LAB	lab(5.53, 18.09, 6.57)
CIE-LCH	lch(5.53, 19.25, 19.95°)
OKLab	oklab(19.04% 0.0564 0.0268)
OKLCH	oklch(19.04% 0.062 25.4)
XYZ	xyz(1.0366, 0.6119, 0.2071)
Luminance	0.0061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0505 #052A2A

analogous

#2A0518 #2A0505 #2A1805

triadic

#2A0505 #052A05 #05052A

tetradic

#2A0505 #182A05 #052A2A #18052A

square

#2A0505 #182A05 #052A2A #18052A

split-complementary

#2A0505 #052A18 #05182A

monochromatic

#1B0303 #1B0303 #2A0505 #610C0C #971212

Accessibility & contrast

On white

18.71

#2A0505 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2A0505 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0505

18.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0505	#FFFFFF	#000000	##FFFFFF
##2A0505	1.00	18.71	1.12	18.71
#FFFFFF	18.71	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0F0D05

Deuteranopia (green-blind)

#191504

Tritanopia (blue-blind)

#2F0005

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2a0505;
/* rgb */ color: rgb(42, 5, 5);
/* oklch */ color: oklch(19.0% 0.062 25.4);

Tailwind

colors: {
  custom: {
    50: '#664849',
    500: '#2a0505',
    950: '#000000',
  },
}

SCSS

$custom: #2a0505;
$custom-light: #664849;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0505",
  "rgb": {
    "r": 42,
    "g": 5,
    "b": 5
  },
  "hsl": {
    "h": 0,
    "s": 78.723,
    "l": 9.216
  },
  "oklch": {
    "l": 0.1904,
    "c": 0.06243,
    "h": 25.4
  },
  "luminance": 0.00612
}

Semantic roles & 50–950 ramp

primary

#2A0505

secondary

#1F6C6C

accent

#F5F533

background

#F6F4F4

surface

#EBE6E6

border

#C6C2C2

text

#060000

muted

#7A7777

Preview Lab

Preview with #2A0505

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

Preview Lab → · Contrast checker → · Palette generator →