#3B0707#3B0707

#3B0707 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.2% C 0.080 H 26.2°. Best body text is #FFFFFF at 17.22:1 contrast (WCAG AA passes).

Color values

HEX	#3B0707
RGB	rgb(59, 7, 7)
HSL	hsl(0, 79%, 13%)
HSV	hsv(0, 88%, 23%)
CMYK	cmyk(0%, 88.1%, 88.1%, 76.9%)
CIE-LAB	lab(9.78, 25.02, 12.40)
CIE-LCH	lch(9.78, 27.92, 26.36°)
OKLab	oklab(23.19% 0.0722 0.0354)
OKLCH	oklch(23.19% 0.08 26.2)
XYZ	xyz(1.9182, 1.0974, 0.3118)
Luminance	0.0110 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0707 #073B3B

analogous

#3B0721 #3B0707 #3B2107

triadic

#3B0707 #073B07 #07073B

tetradic

#3B0707 #213B07 #073B3B #21073B

square

#3B0707 #213B07 #073B3B #21073B

split-complementary

#3B0707 #073B21 #07213B

monochromatic

#1B0303 #1B0303 #3B0707 #720D0D #A81414

Accessibility & contrast

On white

17.22

#3B0707 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3B0707 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0707

17.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0707	#FFFFFF	#000000	##FFFFFF
##3B0707	1.00	17.22	1.22	17.22
#FFFFFF	17.22	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171406

Deuteranopia (green-blind)

#241F05

Tritanopia (blue-blind)

#420008

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3b0707;
/* rgb */ color: rgb(59, 7, 7);
/* oklch */ color: oklch(23.2% 0.080 26.2);

Tailwind

colors: {
  custom: {
    50: '#764c4a',
    500: '#3b0707',
    950: '#000000',
  },
}

SCSS

$custom: #3b0707;
$custom-light: #764c4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0707",
  "rgb": {
    "r": 59,
    "g": 7,
    "b": 7
  },
  "hsl": {
    "h": 0,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23189,
    "c": 0.08038,
    "h": 26.2
  },
  "luminance": 0.01097
}

Semantic roles & 50–950 ramp

primary

#3B0707

secondary

#237A7A

accent

#F5F533

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0707

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

Preview Lab → · Contrast checker → · Palette generator →