#3F0707#3F0707

#3F0707 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.1% C 0.085 H 26.5°. Best body text is #FFFFFF at 16.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F0707
RGB	rgb(63, 7, 7)
HSL	hsl(0, 80%, 14%)
HSV	hsv(0, 89%, 25%)
CMYK	cmyk(0%, 88.9%, 88.9%, 75.3%)
CIE-LAB	lab(10.74, 26.48, 13.89)
CIE-LCH	lch(10.74, 29.90, 27.67°)
OKLab	oklab(24.07% 0.0762 0.0379)
OKLCH	oklch(24.07% 0.085 26.5)
XYZ	xyz(2.1645, 1.2244, 0.3233)
Luminance	0.0122 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0707 #073F3F

analogous

#3F0723 #3F0707 #3F2307

triadic

#3F0707 #073F07 #07073F

tetradic

#3F0707 #233F07 #073F3F #23073F

square

#3F0707 #233F07 #073F3F #23073F

split-complementary

#3F0707 #073F23 #07233F

monochromatic

#1C0303 #1C0303 #3F0707 #760D0D #AD1313

Accessibility & contrast

On white

16.87

#3F0707 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F0707 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0707

16.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0707	#FFFFFF	#000000	##FFFFFF
##3F0707	1.00	16.87	1.24	16.87
#FFFFFF	16.87	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181506

Deuteranopia (green-blind)

#262105

Tritanopia (blue-blind)

#460008

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0707;
/* rgb */ color: rgb(63, 7, 7);
/* oklch */ color: oklch(24.1% 0.085 26.5);

Tailwind

colors: {
  custom: {
    50: '#794d49',
    500: '#3f0707',
    950: '#000000',
  },
}

SCSS

$custom: #3f0707;
$custom-light: #794d49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0707",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 7
  },
  "hsl": {
    "h": 0,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24072,
    "c": 0.08509,
    "h": 26.5
  },
  "luminance": 0.01224
}

Semantic roles & 50–950 ramp

primary

#3F0707

secondary

#247E7E

accent

#F6F631

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F0707

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

Preview Lab → · Contrast checker → · Palette generator →