#2A030A#2A030A

#2A030A is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.8% C 0.066 H 14.1°. Best body text is #FFFFFF at 18.82:1 contrast (WCAG AA passes).

Color values

HEX	#2A030A
RGB	rgb(42, 3, 10)
HSL	hsl(349, 87%, 9%)
HSV	hsv(349, 93%, 16%)
CMYK	cmyk(0%, 92.9%, 76.2%, 83.5%)
CIE-LAB	lab(5.23, 19.56, 4.10)
CIE-LCH	lch(5.23, 19.99, 11.84°)
OKLab	oklab(18.8% 0.0639 0.0161)
OKLCH	oklch(18.8% 0.066 14.1)
XYZ	xyz(1.0423, 0.5794, 0.3441)
Luminance	0.0058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A030A #032A23

analogous

#2A031E #2A030A #2A1003

triadic

#2A030A #0A2A03 #030A2A

tetradic

#2A030A #1E2A03 #032A23 #10032A

square

#2A030A #1E2A03 #032A23 #10032A

split-complementary

#2A030A #032A10 #031E2A

monochromatic

#1D0207 #1D0207 #2A030A #630718 #9C0B25

Accessibility & contrast

On white

18.82

#2A030A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2A030A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A030A

18.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A030A	#FFFFFF	#000000	##FFFFFF
##2A030A	1.00	18.82	1.12	18.82
#FFFFFF	18.82	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0C0A

Deuteranopia (green-blind)

#171409

Tritanopia (blue-blind)

#2F0005

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2a030a;
/* rgb */ color: rgb(42, 3, 10);
/* oklch */ color: oklch(18.8% 0.066 14.1);

Tailwind

colors: {
  custom: {
    50: '#66474b',
    500: '#2a030a',
    950: '#000000',
  },
}

SCSS

$custom: #2a030a;
$custom-light: #66474b;
$custom-dark: #000000;

JSON

{
  "hex": "#2a030a",
  "rgb": {
    "r": 42,
    "g": 3,
    "b": 10
  },
  "hsl": {
    "h": 349.231,
    "s": 86.667,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18798,
    "c": 0.06593,
    "h": 14.1
  },
  "luminance": 0.00579
}

Semantic roles & 50–950 ramp

primary

#2A030A

secondary

#1B6E5F

accent

#FDD72B

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #2A030A

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

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