#2A040C#2A040C

#2A040C is a very dark, moderate red. Relative luminance 0.006; OKLCH L 19.0% C 0.064 H 12.1°. Best body text is #FFFFFF at 18.73:1 contrast (WCAG AA passes).

Color values

HEX	#2A040C
RGB	rgb(42, 4, 12)
HSL	hsl(347, 83%, 9%)
HSV	hsv(347, 90%, 16%)
CMYK	cmyk(0%, 90.5%, 71.4%, 83.5%)
CIE-LAB	lab(5.47, 19.32, 3.59)
CIE-LCH	lch(5.47, 19.65, 10.53°)
OKLab	oklab(19.05% 0.0626 0.0134)
OKLCH	oklch(19.05% 0.064 12.1)
XYZ	xyz(1.0647, 0.6058, 0.4086)
Luminance	0.0061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A040C #042A22

analogous

#2A041F #2A040C #2A0F04

triadic

#2A040C #0C2A04 #040C2A

tetradic

#2A040C #1F2A04 #042A22 #0F042A

square

#2A040C #1F2A04 #042A22 #0F042A

split-complementary

#2A040C #042A0F #041F2A

monochromatic

#1C0308 #1C0308 #2A040C #62091C #9A0F2C

Accessibility & contrast

On white

18.73

#2A040C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2A040C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A040C

18.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A040C	#FFFFFF	#000000	##FFFFFF
##2A040C	1.00	18.73	1.12	18.73
#FFFFFF	18.73	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0D0C

Deuteranopia (green-blind)

#17150B

Tritanopia (blue-blind)

#2F0007

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #2a040c;
/* rgb */ color: rgb(42, 4, 12);
/* oklch */ color: oklch(19.0% 0.064 12.1);

Tailwind

colors: {
  custom: {
    50: '#66484c',
    500: '#2a040c',
    950: '#000000',
  },
}

SCSS

$custom: #2a040c;
$custom-light: #66484c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a040c",
  "rgb": {
    "r": 42,
    "g": 4,
    "b": 12
  },
  "hsl": {
    "h": 347.368,
    "s": 82.609,
    "l": 9.02
  },
  "oklch": {
    "l": 0.19046,
    "c": 0.06404,
    "h": 12.1
  },
  "luminance": 0.00606
}

Semantic roles & 50–950 ramp

primary

#2A040C

secondary

#1D6D5C

accent

#F9CE2F

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #2A040C

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

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