#3F0815#3F0815

#3F0815 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.5% C 0.083 H 12.7°. Best body text is #FFFFFF at 16.71:1 contrast (WCAG AA passes).

Color values

HEX	#3F0815
RGB	rgb(63, 8, 21)
HSL	hsl(346, 77%, 14%)
HSV	hsv(346, 87%, 25%)
CMYK	cmyk(0%, 87.3%, 66.7%, 75.3%)
CIE-LAB	lab(11.17, 26.93, 7.28)
CIE-LCH	lch(11.17, 27.89, 15.12°)
OKLab	oklab(24.48% 0.0812 0.0183)
OKLCH	oklch(24.48% 0.083 12.7)
XYZ	xyz(2.2723, 1.2849, 0.8377)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0815 #083F32

analogous

#3F0831 #3F0815 #3F1708

triadic

#3F0815 #153F08 #08153F

tetradic

#3F0815 #313F08 #083F32 #17083F

square

#3F0815 #313F08 #083F32 #17083F

split-complementary

#3F0815 #083F17 #08313F

monochromatic

#1B0309 #1B0309 #3F0815 #750F27 #AC1639

Accessibility & contrast

On white

16.71

#3F0815 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0815 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0815

16.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0815	#FFFFFF	#000000	##FFFFFF
##3F0815	1.00	16.71	1.26	16.71
#FFFFFF	16.71	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171715

Deuteranopia (green-blind)

#252214

Tritanopia (blue-blind)

#46000D

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0815;
/* rgb */ color: rgb(63, 8, 21);
/* oklch */ color: oklch(24.5% 0.083 12.7);

Tailwind

colors: {
  custom: {
    50: '#794d52',
    500: '#3f0815',
    950: '#000000',
  },
}

SCSS

$custom: #3f0815;
$custom-light: #794d52;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0815",
  "rgb": {
    "r": 63,
    "g": 8,
    "b": 21
  },
  "hsl": {
    "h": 345.818,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24482,
    "c": 0.08326,
    "h": 12.7
  },
  "luminance": 0.01285
}

Semantic roles & 50–950 ramp

primary

#3F0815

secondary

#257E69

accent

#F4C734

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0202

muted

#7C7878

Preview Lab

Preview with #3F0815

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

Preview Lab → · Contrast checker → · Palette generator →