#3F0713#3F0713

#3F0713 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.3% C 0.084 H 14.4°. Best body text is #FFFFFF at 16.78:1 contrast (WCAG AA passes).

Color values

HEX	#3F0713
RGB	rgb(63, 7, 19)
HSL	hsl(347, 80%, 14%)
HSV	hsv(347, 89%, 25%)
CMYK	cmyk(0%, 88.9%, 69.8%, 75.3%)
CIE-LAB	lab(10.96, 27.20, 8.32)
CIE-LCH	lch(10.96, 28.45, 17.00°)
OKLab	oklab(24.31% 0.0817 0.021)
OKLCH	oklch(24.31% 0.084 14.4)
XYZ	xyz(2.2437, 1.2561, 0.7403)
Luminance	0.0126 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0713 #073F33

analogous

#3F072F #3F0713 #3F1707

triadic

#3F0713 #133F07 #07133F

tetradic

#3F0713 #2F3F07 #073F33 #17073F

square

#3F0713 #2F3F07 #073F33 #17073F

split-complementary

#3F0713 #073F17 #072F3F

monochromatic

#1C0308 #1C0308 #3F0713 #760D24 #AD1334

Accessibility & contrast

On white

16.78

#3F0713 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F0713 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0713

16.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0713	#FFFFFF	#000000	##FFFFFF
##3F0713	1.00	16.78	1.25	16.78
#FFFFFF	16.78	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171613

Deuteranopia (green-blind)

#252211

Tritanopia (blue-blind)

#46000C

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0713;
/* rgb */ color: rgb(63, 7, 19);
/* oklch */ color: oklch(24.3% 0.084 14.4);

Tailwind

colors: {
  custom: {
    50: '#794d50',
    500: '#3f0713',
    950: '#000000',
  },
}

SCSS

$custom: #3f0713;
$custom-light: #794d50;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0713",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 19
  },
  "hsl": {
    "h": 347.143,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24314,
    "c": 0.08435,
    "h": 14.4
  },
  "luminance": 0.01256
}

Semantic roles & 50–950 ramp

primary

#3F0713

secondary

#247E6B

accent

#F6CC31

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0102

muted

#7C7778

Preview Lab

Preview with #3F0713

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

Preview Lab → · Contrast checker → · Palette generator →