#3F070D#3F070D

#3F070D is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.084 H 20.8°. Best body text is #FFFFFF at 16.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F070D
RGB	rgb(63, 7, 13)
HSL	hsl(354, 80%, 14%)
HSV	hsv(354, 89%, 25%)
CMYK	cmyk(0%, 88.9%, 79.4%, 75.3%)
CIE-LAB	lab(10.84, 26.80, 11.47)
CIE-LCH	lch(10.84, 29.15, 23.18°)
OKLab	oklab(24.18% 0.0789 0.03)
OKLCH	oklch(24.18% 0.084 20.8)
XYZ	xyz(2.1988, 1.2381, 0.5039)
Luminance	0.0124 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F070D #073F39

analogous

#3F0729 #3F070D #3F1D07

triadic

#3F070D #0D3F07 #070D3F

tetradic

#3F070D #293F07 #073F39 #1D073F

square

#3F070D #293F07 #073F39 #1D073F

split-complementary

#3F070D #073F1D #07293F

monochromatic

#1C0306 #1C0306 #3F070D #760D18 #AD1324

Accessibility & contrast

On white

16.83

#3F070D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F070D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F070D

16.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F070D	#FFFFFF	#000000	##FFFFFF
##3F070D	1.00	16.83	1.25	16.83
#FFFFFF	16.83	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18160D

Deuteranopia (green-blind)

#26210B

Tritanopia (blue-blind)

#46000A

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f070d;
/* rgb */ color: rgb(63, 7, 13);
/* oklch */ color: oklch(24.2% 0.084 20.8);

Tailwind

colors: {
  custom: {
    50: '#794d4c',
    500: '#3f070d',
    950: '#000000',
  },
}

SCSS

$custom: #3f070d;
$custom-light: #794d4c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f070d",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 13
  },
  "hsl": {
    "h": 353.571,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24177,
    "c": 0.08439,
    "h": 20.8
  },
  "luminance": 0.01238
}

Semantic roles & 50–950 ramp

primary

#3F070D

secondary

#247E74

accent

#F6E131

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F070D

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

Preview Lab → · Contrast checker → · Palette generator →