#2A0209#2A0209

#2A0209 is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.6% C 0.068 H 14.5°. Best body text is #FFFFFF at 18.90:1 contrast (WCAG AA passes).

Color values

HEX	#2A0209
RGB	rgb(42, 2, 9)
HSL	hsl(350, 91%, 9%)
HSV	hsv(350, 95%, 16%)
CMYK	cmyk(0%, 95.2%, 78.6%, 83.5%)
CIE-LAB	lab(5.02, 19.91, 4.19)
CIE-LCH	lch(5.02, 20.35, 11.90°)
OKLab	oklab(18.58% 0.0658 0.017)
OKLCH	oklch(18.58% 0.068 14.5)
XYZ	xyz(1.0260, 0.5555, 0.3116)
Luminance	0.0056 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A0209 #022A23

analogous

#2A021D #2A0209 #2A0F02

triadic

#2A0209 #092A02 #02092A

tetradic

#2A0209 #1D2A02 #022A23 #0F022A

square

#2A0209 #1D2A02 #022A23 #0F022A

split-complementary

#2A0209 #022A0F #021D2A

monochromatic

#1D0106 #1D0106 #2A0209 #640516 #9F0822

Accessibility & contrast

On white

18.90

#2A0209 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#2A0209 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A0209

18.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A0209	#FFFFFF	#000000	##FFFFFF
##2A0209	1.00	18.90	1.11	18.90
#FFFFFF	18.90	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0B09

Deuteranopia (green-blind)

#171408

Tritanopia (blue-blind)

#2F0004

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2a0209;
/* rgb */ color: rgb(42, 2, 9);
/* oklch */ color: oklch(18.6% 0.068 14.5);

Tailwind

colors: {
  custom: {
    50: '#66474b',
    500: '#2a0209',
    950: '#000000',
  },
}

SCSS

$custom: #2a0209;
$custom-light: #66474b;
$custom-dark: #000000;

JSON

{
  "hex": "#2a0209",
  "rgb": {
    "r": 42,
    "g": 2,
    "b": 9
  },
  "hsl": {
    "h": 349.5,
    "s": 90.909,
    "l": 8.627
  },
  "oklch": {
    "l": 0.18575,
    "c": 0.068,
    "h": 14.5
  },
  "luminance": 0.00555
}

Semantic roles & 50–950 ramp

primary

#2A0209

secondary

#196F60

accent

#FFDA29

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #2A0209

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

Preview Lab → · Contrast checker → · Palette generator →