#3F0A07#3F0A07

#3F0A07 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.4% C 0.082 H 28.4°. Best body text is #FFFFFF at 16.70:1 contrast (WCAG AA passes).

Color values

HEX	#3F0A07
RGB	rgb(63, 10, 7)
HSL	hsl(3, 80%, 14%)
HSV	hsv(3, 89%, 25%)
CMYK	cmyk(0%, 84.1%, 88.9%, 75.3%)
CIE-LAB	lab(11.20, 25.18, 14.53)
CIE-LCH	lch(11.20, 29.08, 29.99°)
OKLab	oklab(24.42% 0.0721 0.039)
OKLCH	oklch(24.42% 0.082 28.4)
XYZ	xyz(2.1971, 1.2895, 0.3342)
Luminance	0.0129 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0A07 #073C3F

analogous

#3F0720 #3F0A07 #3F2607

triadic

#3F0A07 #073F0A #0A073F

tetradic

#3F0A07 #203F07 #073C3F #26073F

square

#3F0A07 #203F07 #073C3F #26073F

split-complementary

#3F0A07 #073F26 #07203F

monochromatic

#1C0403 #1C0403 #3F0A07 #76130D #AD1B13

Accessibility & contrast

On white

16.70

#3F0A07 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#3F0A07 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0A07

16.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0A07	#FFFFFF	#000000	##FFFFFF
##3F0A07	1.00	16.70	1.26	16.70
#FFFFFF	16.70	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1606

Deuteranopia (green-blind)

#272205

Tritanopia (blue-blind)

#46000A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0a07;
/* rgb */ color: rgb(63, 10, 7);
/* oklch */ color: oklch(24.4% 0.082 28.4);

Tailwind

colors: {
  custom: {
    50: '#794e49',
    500: '#3f0a07',
    950: '#000000',
  },
}

SCSS

$custom: #3f0a07;
$custom-light: #794e49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0a07",
  "rgb": {
    "r": 63,
    "g": 10,
    "b": 7
  },
  "hsl": {
    "h": 3.214,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24419,
    "c": 0.08194,
    "h": 28.4
  },
  "luminance": 0.01289
}

Semantic roles & 50–950 ramp

primary

#3F0A07

secondary

#24797E

accent

#ECF631

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0A07

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

Preview Lab → · Contrast checker → · Palette generator →