#2A000A#2A000A

#2A000A is a very dark, moderate red. Relative luminance 0.005; OKLCH L 18.2% C 0.073 H 10.7°. Best body text is #FFFFFF at 19.04:1 contrast (WCAG AA passes).

Color values

HEX	#2A000A
RGB	rgb(42, 0, 10)
HSL	hsl(346, 100%, 8%)
HSV	hsv(346, 100%, 16%)
CMYK	cmyk(0%, 100%, 76.2%, 83.5%)
CIE-LAB	lab(4.65, 20.92, 3.24)
CIE-LCH	lch(4.65, 21.17, 8.81°)
OKLab	oklab(18.2% 0.0715 0.0135)
OKLCH	oklch(18.2% 0.073 10.7)
XYZ	xyz(1.0097, 0.5143, 0.3332)
Luminance	0.0051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A000A #002A20

analogous

#2A001F #2A000A #2A0B00

triadic

#2A000A #0A2A00 #000A2A

tetradic

#2A000A #1F2A00 #002A20 #0B002A

square

#2A000A #1F2A00 #002A20 #0B002A

split-complementary

#2A000A #002A0B #001F2A

monochromatic

#1F0007 #1F0007 #2A000A #670019 #A40027

Accessibility & contrast

On white

19.04

#2A000A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.10

#2A000A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A000A

19.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A000A	#FFFFFF	#000000	##FFFFFF
##2A000A	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)

#0A0A0A

Deuteranopia (green-blind)

#161309

Tritanopia (blue-blind)

#2F0003

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #2a000a;
/* rgb */ color: rgb(42, 0, 10);
/* oklch */ color: oklch(18.2% 0.073 10.7);

Tailwind

colors: {
  custom: {
    50: '#66464b',
    500: '#2a000a',
    950: '#000000',
  },
}

SCSS

$custom: #2a000a;
$custom-light: #66464b;
$custom-dark: #000000;

JSON

{
  "hex": "#2a000a",
  "rgb": {
    "r": 42,
    "g": 0,
    "b": 10
  },
  "hsl": {
    "h": 345.714,
    "s": 100,
    "l": 8.235
  },
  "oklch": {
    "l": 0.18202,
    "c": 0.07277,
    "h": 10.7
  },
  "luminance": 0.00514
}

Semantic roles & 50–950 ramp

primary

#2A000A

secondary

#14725B

accent

#FFCC29

background

#F6F3F4

surface

#EBE5E7

border

#C6C1C3

text

#060001

muted

#7A7677

Preview Lab

Preview with #2A000A

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

Preview Lab → · Contrast checker → · Palette generator →