#3A070B#3A070B

#3A070B is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.0% C 0.079 H 21.9°. Best body text is #FFFFFF at 17.28:1 contrast (WCAG AA passes).

Color values

HEX	#3A070B
RGB	rgb(58, 7, 11)
HSL	hsl(355, 78%, 13%)
HSV	hsv(355, 88%, 23%)
CMYK	cmyk(0%, 87.9%, 81%, 77.3%)
CIE-LAB	lab(9.61, 24.87, 10.49)
CIE-LCH	lch(9.61, 26.99, 22.86°)
OKLab	oklab(23.04% 0.073 0.0293)
OKLCH	oklch(23.04% 0.079 21.9)
XYZ	xyz(1.8815, 1.0760, 0.4252)
Luminance	0.0108 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A070B #073A36

analogous

#3A0724 #3A070B #3A1C07

triadic

#3A070B #0B3A07 #070B3A

tetradic

#3A070B #243A07 #073A36 #1C073A

square

#3A070B #243A07 #073A36 #1C073A

split-complementary

#3A070B #073A1C #07243A

monochromatic

#1B0305 #1B0305 #3A070B #710E15 #A71420

Accessibility & contrast

On white

17.28

#3A070B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3A070B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A070B

17.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A070B	#FFFFFF	#000000	##FFFFFF
##3A070B	1.00	17.28	1.22	17.28
#FFFFFF	17.28	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140B

Deuteranopia (green-blind)

#231F09

Tritanopia (blue-blind)

#410009

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3a070b;
/* rgb */ color: rgb(58, 7, 11);
/* oklch */ color: oklch(23.0% 0.079 21.9);

Tailwind

colors: {
  custom: {
    50: '#754c4b',
    500: '#3a070b',
    950: '#000000',
  },
}

SCSS

$custom: #3a070b;
$custom-light: #754c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3a070b",
  "rgb": {
    "r": 58,
    "g": 7,
    "b": 11
  },
  "hsl": {
    "h": 355.294,
    "s": 78.462,
    "l": 12.745
  },
  "oklch": {
    "l": 0.23042,
    "c": 0.07866,
    "h": 21.9
  },
  "luminance": 0.01076
}

Semantic roles & 50–950 ramp

primary

#3A070B

secondary

#237973

accent

#F5E633

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A070B

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

Preview Lab → · Contrast checker → · Palette generator →