#3F0907#3F0907

#3F0907 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.3% C 0.083 H 27.7°. Best body text is #FFFFFF at 16.75:1 contrast (WCAG AA passes).

Color values

HEX	#3F0907
RGB	rgb(63, 9, 7)
HSL	hsl(2, 80%, 14%)
HSV	hsv(2, 89%, 25%)
CMYK	cmyk(0%, 85.7%, 88.9%, 75.3%)
CIE-LAB	lab(11.05, 25.61, 14.32)
CIE-LCH	lch(11.05, 29.34, 29.21°)
OKLab	oklab(24.3% 0.0734 0.0386)
OKLCH	oklch(24.3% 0.083 27.7)
XYZ	xyz(2.1862, 1.2678, 0.3306)
Luminance	0.0127 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0907 #073D3F

analogous

#3F0721 #3F0907 #3F2507

triadic

#3F0907 #073F09 #09073F

tetradic

#3F0907 #213F07 #073D3F #25073F

square

#3F0907 #213F07 #073D3F #25073F

split-complementary

#3F0907 #073F25 #07213F

monochromatic

#1C0403 #1C0403 #3F0907 #76110D #AD1913

Accessibility & contrast

On white

16.75

#3F0907 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F0907 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0907

16.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0907	#FFFFFF	#000000	##FFFFFF
##3F0907	1.00	16.75	1.25	16.75
#FFFFFF	16.75	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191606

Deuteranopia (green-blind)

#272205

Tritanopia (blue-blind)

#460009

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #3f0907;
/* rgb */ color: rgb(63, 9, 7);
/* oklch */ color: oklch(24.3% 0.083 27.7);

Tailwind

colors: {
  custom: {
    50: '#794d49',
    500: '#3f0907',
    950: '#000000',
  },
}

SCSS

$custom: #3f0907;
$custom-light: #794d49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0907",
  "rgb": {
    "r": 63,
    "g": 9,
    "b": 7
  },
  "hsl": {
    "h": 2.143,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.24304,
    "c": 0.08296,
    "h": 27.7
  },
  "luminance": 0.01267
}

Semantic roles & 50–950 ramp

primary

#3F0907

secondary

#247B7E

accent

#EFF631

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0907

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

Preview Lab → · Contrast checker → · Palette generator →