#3F070C#3F070C

#3F070C is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.084 H 21.8°. Best body text is #FFFFFF at 16.84:1 contrast (WCAG AA passes).

Color values

HEX	#3F070C
RGB	rgb(63, 7, 12)
HSL	hsl(355, 80%, 14%)
HSV	hsv(355, 89%, 25%)
CMYK	cmyk(0%, 88.9%, 81%, 75.3%)
CIE-LAB	lab(10.82, 26.74, 11.92)
CIE-LCH	lch(10.82, 29.28, 24.02°)
OKLab	oklab(24.16% 0.0784 0.0314)
OKLCH	oklch(24.16% 0.084 21.8)
XYZ	xyz(2.1925, 1.2356, 0.4708)
Luminance	0.0123 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F070C #073F3A

analogous

#3F0728 #3F070C #3F1E07

triadic

#3F070C #0C3F07 #070C3F

tetradic

#3F070C #283F07 #073F3A #1E073F

square

#3F070C #283F07 #073F3A #1E073F

split-complementary

#3F070C #073F1E #07283F

monochromatic

#1C0305 #1C0305 #3F070C #760D16 #AD1321

Accessibility & contrast

On white

16.84

#3F070C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F070C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F070C

16.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F070C	#FFFFFF	#000000	##FFFFFF
##3F070C	1.00	16.84	1.25	16.84
#FFFFFF	16.84	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18150C

Deuteranopia (green-blind)

#26210A

Tritanopia (blue-blind)

#460009

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f070c;
/* rgb */ color: rgb(63, 7, 12);
/* oklch */ color: oklch(24.2% 0.084 21.8);

Tailwind

colors: {
  custom: {
    50: '#794d4c',
    500: '#3f070c',
    950: '#000000',
  },
}

SCSS

$custom: #3f070c;
$custom-light: #794d4c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f070c",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 12
  },
  "hsl": {
    "h": 354.643,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24158,
    "c": 0.08446,
    "h": 21.8
  },
  "luminance": 0.01235
}

Semantic roles & 50–950 ramp

primary

#3F070C

secondary

#247E76

accent

#F6E531

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F070C

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

Preview Lab → · Contrast checker → · Palette generator →