#3B0410#3B0410

#3B0410 is a very dark, moderate red. Relative luminance 0.011; OKLCH L 23.0% C 0.084 H 14.6°. Best body text is #FFFFFF at 17.34:1 contrast (WCAG AA passes).

Color values

HEX	#3B0410
RGB	rgb(59, 4, 16)
HSL	hsl(347, 87%, 12%)
HSV	hsv(347, 93%, 23%)
CMYK	cmyk(0%, 93.2%, 72.9%, 76.9%)
CIE-LAB	lab(9.44, 27.02, 7.81)
CIE-LCH	lch(9.44, 28.13, 16.12°)
OKLab	oklab(22.99% 0.0811 0.0211)
OKLCH	oklch(22.99% 0.084 14.6)
XYZ	xyz(1.9408, 1.0544, 0.5914)
Luminance	0.0105 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0410 #043B2F

analogous

#3B042C #3B0410 #3B1304

triadic

#3B0410 #103B04 #04103B

tetradic

#3B0410 #2C3B04 #043B2F #13043B

square

#3B0410 #2C3B04 #043B2F #13043B

split-complementary

#3B0410 #043B13 #042C3B

monochromatic

#1D0208 #1D0208 #3B0410 #740820 #AE0C2F

Accessibility & contrast

On white

17.34

#3B0410 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3B0410 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0410

17.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0410	#FFFFFF	#000000	##FFFFFF
##3B0410	1.00	17.34	1.21	17.34
#FFFFFF	17.34	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#141310

Deuteranopia (green-blind)

#221E0E

Tritanopia (blue-blind)

#420009

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3b0410;
/* rgb */ color: rgb(59, 4, 16);
/* oklch */ color: oklch(23.0% 0.084 14.6);

Tailwind

colors: {
  custom: {
    50: '#764a4e',
    500: '#3b0410',
    950: '#000000',
  },
}

SCSS

$custom: #3b0410;
$custom-light: #764a4e;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0410",
  "rgb": {
    "r": 59,
    "g": 4,
    "b": 16
  },
  "hsl": {
    "h": 346.909,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22992,
    "c": 0.08374,
    "h": 14.6
  },
  "luminance": 0.01054
}

Semantic roles & 50–950 ramp

primary

#3B0410

secondary

#1E7D68

accent

#FDCF2A

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0410

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

Preview Lab → · Contrast checker → · Palette generator →