#2A030B#2A030B

#2A030B is a very dark, moderate red. Relative luminance 0.006; OKLCH L 18.8% C 0.066 H 12.5°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A030B
RGB	rgb(42, 3, 11)
HSL	hsl(348, 87%, 9%)
HSV	hsv(348, 93%, 16%)
CMYK	cmyk(0%, 92.9%, 73.8%, 83.5%)
CIE-LAB	lab(5.25, 19.67, 3.72)
CIE-LCH	lch(5.25, 20.02, 10.70°)
OKLab	oklab(18.83% 0.0644 0.0143)
OKLCH	oklch(18.83% 0.066 12.5)
XYZ	xyz(1.0479, 0.5817, 0.3736)
Luminance	0.0058 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A030B #032A22

analogous

#2A031F #2A030B #2A0F03

triadic

#2A030B #0B2A03 #030B2A

tetradic

#2A030B #1F2A03 #032A22 #0F032A

square

#2A030B #1F2A03 #032A22 #0F032A

split-complementary

#2A030B #032A0F #031F2A

monochromatic

#1D0207 #1D0207 #2A030B #63071A #9C0B29

Accessibility & contrast

On white

18.81

#2A030B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#2A030B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2A030B

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A030B	#FFFFFF	#000000	##FFFFFF
##2A030B	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0C0B

Deuteranopia (green-blind)

#17150A

Tritanopia (blue-blind)

#2F0006

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #2a030b;
/* rgb */ color: rgb(42, 3, 11);
/* oklch */ color: oklch(18.8% 0.066 12.5);

Tailwind

colors: {
  custom: {
    50: '#66474c',
    500: '#2a030b',
    950: '#000000',
  },
}

SCSS

$custom: #2a030b;
$custom-light: #66474c;
$custom-dark: #000000;

JSON

{
  "hex": "#2a030b",
  "rgb": {
    "r": 42,
    "g": 3,
    "b": 11
  },
  "hsl": {
    "h": 347.692,
    "s": 86.667,
    "l": 8.824
  },
  "oklch": {
    "l": 0.18827,
    "c": 0.06603,
    "h": 12.5
  },
  "luminance": 0.00582
}

Semantic roles & 50–950 ramp

primary

#2A030B

secondary

#1B6E5D

accent

#FDD22B

background

#F6F4F4

surface

#EBE6E7

border

#C6C2C3

text

#060001

muted

#7A7777

Preview Lab

Preview with #2A030B

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

Preview Lab → · Contrast checker → · Palette generator →