#3B070B#3B070B

#3B070B is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.3% C 0.080 H 22.0°. Best body text is #FFFFFF at 17.20:1 contrast (WCAG AA passes).

Color values

HEX	#3B070B
RGB	rgb(59, 7, 11)
HSL	hsl(355, 79%, 13%)
HSV	hsv(355, 88%, 23%)
CMYK	cmyk(0%, 88.1%, 81.4%, 76.9%)
CIE-LAB	lab(9.85, 25.24, 10.86)
CIE-LCH	lch(9.85, 27.48, 23.27°)
OKLab	oklab(23.26% 0.074 0.03)
OKLCH	oklch(23.26% 0.08 22)
XYZ	xyz(1.9402, 1.1062, 0.4279)
Luminance	0.0111 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B070B #073B37

analogous

#3B0725 #3B070B #3B1D07

triadic

#3B070B #0B3B07 #070B3B

tetradic

#3B070B #253B07 #073B37 #1D073B

square

#3B070B #253B07 #073B37 #1D073B

split-complementary

#3B070B #073B1D #07253B

monochromatic

#1B0305 #1B0305 #3B070B #720D15 #A8141F

Accessibility & contrast

On white

17.20

#3B070B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3B070B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B070B

17.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B070B	#FFFFFF	#000000	##FFFFFF
##3B070B	1.00	17.20	1.22	17.20
#FFFFFF	17.20	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16140B

Deuteranopia (green-blind)

#231F09

Tritanopia (blue-blind)

#420009

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3b070b;
/* rgb */ color: rgb(59, 7, 11);
/* oklch */ color: oklch(23.3% 0.080 22.0);

Tailwind

colors: {
  custom: {
    50: '#764c4b',
    500: '#3b070b',
    950: '#000000',
  },
}

SCSS

$custom: #3b070b;
$custom-light: #764c4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3b070b",
  "rgb": {
    "r": 59,
    "g": 7,
    "b": 11
  },
  "hsl": {
    "h": 355.385,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23262,
    "c": 0.07986,
    "h": 22
  },
  "luminance": 0.01106
}

Semantic roles & 50–950 ramp

primary

#3B070B

secondary

#237A74

accent

#F5E633

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B070B

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

Preview Lab → · Contrast checker → · Palette generator →