#3B0710#3B0710

#3B0710 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.4% C 0.080 H 16.5°. Best body text is #FFFFFF at 17.16:1 contrast (WCAG AA passes).

Color values

HEX	#3B0710
RGB	rgb(59, 7, 16)
HSL	hsl(350, 79%, 13%)
HSV	hsv(350, 88%, 23%)
CMYK	cmyk(0%, 88.1%, 72.9%, 76.9%)
CIE-LAB	lab(9.95, 25.57, 8.54)
CIE-LCH	lch(9.95, 26.96, 18.47°)
OKLab	oklab(23.37% 0.0764 0.0226)
OKLCH	oklch(23.37% 0.08 16.5)
XYZ	xyz(1.9733, 1.1195, 0.6023)
Luminance	0.0112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0710 #073B32

analogous

#3B072A #3B0710 #3B1807

triadic

#3B0710 #103B07 #07103B

tetradic

#3B0710 #2A3B07 #073B32 #18073B

square

#3B0710 #2A3B07 #073B32 #18073B

split-complementary

#3B0710 #073B18 #072A3B

monochromatic

#1B0307 #1B0307 #3B0710 #720D1F #A8142E

Accessibility & contrast

On white

17.16

#3B0710 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#3B0710 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0710

17.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0710	#FFFFFF	#000000	##FFFFFF
##3B0710	1.00	17.16	1.22	17.16
#FFFFFF	17.16	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#161410

Deuteranopia (green-blind)

#231F0F

Tritanopia (blue-blind)

#42000B

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #3b0710;
/* rgb */ color: rgb(59, 7, 16);
/* oklch */ color: oklch(23.4% 0.080 16.5);

Tailwind

colors: {
  custom: {
    50: '#754c4e',
    500: '#3b0710',
    950: '#000000',
  },
}

SCSS

$custom: #3b0710;
$custom-light: #754c4e;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0710",
  "rgb": {
    "r": 59,
    "g": 7,
    "b": 16
  },
  "hsl": {
    "h": 349.615,
    "s": 78.788,
    "l": 12.941
  },
  "oklch": {
    "l": 0.23371,
    "c": 0.07965,
    "h": 16.5
  },
  "luminance": 0.01119
}

Semantic roles & 50–950 ramp

primary

#3B0710

secondary

#237A6B

accent

#F5D433

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0710

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

Preview Lab → · Contrast checker → · Palette generator →