#3B0407#3B0407

#3B0407 is a very dark, moderate red. Relative luminance 0.010; OKLCH L 22.8% C 0.084 H 24.0°. Best body text is #FFFFFF at 17.41:1 contrast (WCAG AA passes).

Color values

HEX	#3B0407
RGB	rgb(59, 4, 7)
HSL	hsl(357, 87%, 12%)
HSV	hsv(357, 93%, 23%)
CMYK	cmyk(0%, 93.2%, 88.1%, 76.9%)
CIE-LAB	lab(9.26, 26.49, 11.66)
CIE-LCH	lch(9.26, 28.94, 23.76°)
OKLab	oklab(22.8% 0.0768 0.0342)
OKLCH	oklch(22.8% 0.084 24)
XYZ	xyz(1.8856, 1.0323, 0.3009)
Luminance	0.0103 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B0407 #043B38

analogous

#3B0423 #3B0407 #3B1C04

triadic

#3B0407 #073B04 #04073B

tetradic

#3B0407 #233B04 #043B38 #1C043B

square

#3B0407 #233B04 #043B38 #1C043B

split-complementary

#3B0407 #043B1C #04233B

monochromatic

#1D0203 #1D0203 #3B0407 #74080E #AE0C15

Accessibility & contrast

On white

17.41

#3B0407 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#3B0407 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B0407

17.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B0407	#FFFFFF	#000000	##FFFFFF
##3B0407	1.00	17.41	1.21	17.41
#FFFFFF	17.41	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151207

Deuteranopia (green-blind)

#231E05

Tritanopia (blue-blind)

#420006

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #3b0407;
/* rgb */ color: rgb(59, 4, 7);
/* oklch */ color: oklch(22.8% 0.084 24.0);

Tailwind

colors: {
  custom: {
    50: '#764a4a',
    500: '#3b0407',
    950: '#000000',
  },
}

SCSS

$custom: #3b0407;
$custom-light: #764a4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3b0407",
  "rgb": {
    "r": 59,
    "g": 4,
    "b": 7
  },
  "hsl": {
    "h": 356.727,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.22803,
    "c": 0.08407,
    "h": 24
  },
  "luminance": 0.01032
}

Semantic roles & 50–950 ramp

primary

#3B0407

secondary

#1E7D78

accent

#FDF22A

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090101

muted

#7B7777

Preview Lab

Preview with #3B0407

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

Preview Lab → · Contrast checker → · Palette generator →