#3F080A#3F080A

#3F080A is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.2% C 0.084 H 24.3°. Best body text is #FFFFFF at 16.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F080A
RGB	rgb(63, 8, 10)
HSL	hsl(358, 77%, 14%)
HSV	hsv(358, 87%, 25%)
CMYK	cmyk(0%, 87.3%, 84.1%, 75.3%)
CIE-LAB	lab(10.94, 26.19, 12.95)
CIE-LCH	lch(10.94, 29.22, 26.30°)
OKLab	oklab(24.24% 0.0761 0.0344)
OKLCH	oklch(24.24% 0.084 24.3)
XYZ	xyz(2.1918, 1.2527, 0.4135)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F080A #083F3D

analogous

#3F0826 #3F080A #3F2208

triadic

#3F080A #0A3F08 #080A3F

tetradic

#3F080A #263F08 #083F3D #22083F

square

#3F080A #263F08 #083F3D #22083F

split-complementary

#3F080A #083F22 #08263F

monochromatic

#1B0304 #1B0304 #3F080A #750F13 #AC161B

Accessibility & contrast

On white

16.79

#3F080A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F080A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F080A

16.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F080A	#FFFFFF	#000000	##FFFFFF
##3F080A	1.00	16.79	1.25	16.79
#FFFFFF	16.79	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191609

Deuteranopia (green-blind)

#262208

Tritanopia (blue-blind)

#460009

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f080a;
/* rgb */ color: rgb(63, 8, 10);
/* oklch */ color: oklch(24.2% 0.084 24.3);

Tailwind

colors: {
  custom: {
    50: '#794d4b',
    500: '#3f080a',
    950: '#000000',
  },
}

SCSS

$custom: #3f080a;
$custom-light: #794d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#3f080a",
  "rgb": {
    "r": 63,
    "g": 8,
    "b": 10
  },
  "hsl": {
    "h": 357.818,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24239,
    "c": 0.08355,
    "h": 24.3
  },
  "luminance": 0.01252
}

Semantic roles & 50–950 ramp

primary

#3F080A

secondary

#257E7A

accent

#F4ED34

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F080A

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

Preview Lab → · Contrast checker → · Palette generator →