#3F0D0F#3F0D0F

#3F0D0F is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.077 H 22.7°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#3F0D0F
RGB	rgb(63, 13, 15)
HSL	hsl(358, 66%, 15%)
HSV	hsv(358, 79%, 25%)
CMYK	cmyk(0%, 79.4%, 76.2%, 75.3%)
CIE-LAB	lab(11.82, 24.29, 11.83)
CIE-LCH	lch(11.82, 27.02, 25.96°)
OKLab	oklab(24.92% 0.0714 0.0298)
OKLCH	oklch(24.92% 0.077 22.7)
XYZ	xyz(2.2803, 1.3794, 0.5980)
Luminance	0.0138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0D0F #0D3F3D

analogous

#3F0D28 #3F0D0F #3F240D

triadic

#3F0D0F #0F3F0D #0D0F3F

tetradic

#3F0D0F #283F0D #0D3F3D #240D3F

square

#3F0D0F #283F0D #0D3F3D #240D3F

split-complementary

#3F0D0F #0D3F24 #0D283F

monochromatic

#190506 #190506 #3F0D0F #72171B #A42227

Accessibility & contrast

On white

16.46

#3F0D0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0D0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0D0F

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0D0F	#FFFFFF	#000000	##FFFFFF
##3F0D0F	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B180F

Deuteranopia (green-blind)

#27230E

Tritanopia (blue-blind)

#46020E

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3f0d0f;
/* rgb */ color: rgb(63, 13, 15);
/* oklch */ color: oklch(24.9% 0.077 22.7);

Tailwind

colors: {
  custom: {
    50: '#794f4d',
    500: '#3f0d0f',
    950: '#000000',
  },
}

SCSS

$custom: #3f0d0f;
$custom-light: #794f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0d0f",
  "rgb": {
    "r": 63,
    "g": 13,
    "b": 15
  },
  "hsl": {
    "h": 357.6,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24922,
    "c": 0.07738,
    "h": 22.7
  },
  "luminance": 0.01379
}

Semantic roles & 50–950 ramp

primary

#3F0D0F

secondary

#2D7B77

accent

#E9E23F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0D0F

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

Preview Lab → · Contrast checker → · Palette generator →