#3A0707#3A0707

#3A0707 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.0% C 0.079 H 26.1°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#3A0707
RGB	rgb(58, 7, 7)
HSL	hsl(0, 78%, 13%)
HSV	hsv(0, 88%, 23%)
CMYK	cmyk(0%, 87.9%, 87.9%, 77.3%)
CIE-LAB	lab(9.54, 24.65, 12.03)
CIE-LCH	lch(9.54, 27.43, 26.01°)
OKLab	oklab(22.97% 0.0711 0.0348)
OKLCH	oklch(22.97% 0.079 26.1)
XYZ	xyz(1.8595, 1.0671, 0.3090)
Luminance	0.0107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A0707 #073A3A

analogous

#3A0720 #3A0707 #3A2007

triadic

#3A0707 #073A07 #07073A

tetradic

#3A0707 #203A07 #073A3A #20073A

square

#3A0707 #203A07 #073A3A #20073A

split-complementary

#3A0707 #073A20 #07203A

monochromatic

#1B0303 #1B0303 #3A0707 #710E0E #A71414

Accessibility & contrast

On white

17.31

#3A0707 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3A0707 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A0707

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A0707	#FFFFFF	#000000	##FFFFFF
##3A0707	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161306

Deuteranopia (green-blind)

#231F05

Tritanopia (blue-blind)

#410008

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3a0707;
/* rgb */ color: rgb(58, 7, 7);
/* oklch */ color: oklch(23.0% 0.079 26.1);

Tailwind

colors: {
  custom: {
    50: '#754c4a',
    500: '#3a0707',
    950: '#000000',
  },
}

SCSS

$custom: #3a0707;
$custom-light: #754c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3a0707",
  "rgb": {
    "r": 58,
    "g": 7,
    "b": 7
  },
  "hsl": {
    "h": 0,
    "s": 78.462,
    "l": 12.745
  },
  "oklch": {
    "l": 0.22968,
    "c": 0.07919,
    "h": 26.1
  },
  "luminance": 0.01067
}

Semantic roles & 50–950 ramp

primary

#3A0707

secondary

#237979

accent

#F5F533

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3A0707

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

Preview Lab → · Contrast checker → · Palette generator →