#3F0808#3F0808

#3F0808 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.2% C 0.084 H 26.1°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#3F0808
RGB	rgb(63, 8, 8)
HSL	hsl(0, 77%, 14%)
HSV	hsv(0, 87%, 25%)
CMYK	cmyk(0%, 87.3%, 87.3%, 75.3%)
CIE-LAB	lab(10.91, 26.09, 13.72)
CIE-LCH	lch(10.91, 29.48, 27.74°)
OKLab	oklab(24.21% 0.0753 0.0369)
OKLCH	oklch(24.21% 0.084 26.1)
XYZ	xyz(2.1808, 1.2483, 0.3558)
Luminance	0.0125 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0808 #083F3F

analogous

#3F0824 #3F0808 #3F2408

triadic

#3F0808 #083F08 #08083F

tetradic

#3F0808 #243F08 #083F3F #24083F

square

#3F0808 #243F08 #083F3F #24083F

split-complementary

#3F0808 #083F24 #08243F

monochromatic

#1B0303 #1B0303 #3F0808 #750F0F #AC1616

Accessibility & contrast

On white

16.81

#3F0808 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#3F0808 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0808

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0808	#FFFFFF	#000000	##FFFFFF
##3F0808	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191607

Deuteranopia (green-blind)

#262206

Tritanopia (blue-blind)

#460009

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0808;
/* rgb */ color: rgb(63, 8, 8);
/* oklch */ color: oklch(24.2% 0.084 26.1);

Tailwind

colors: {
  custom: {
    50: '#794d4a',
    500: '#3f0808',
    950: '#000000',
  },
}

SCSS

$custom: #3f0808;
$custom-light: #794d4a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0808",
  "rgb": {
    "r": 63,
    "g": 8,
    "b": 8
  },
  "hsl": {
    "h": 0,
    "s": 77.465,
    "l": 13.922
  },
  "oklch": {
    "l": 0.24205,
    "c": 0.08384,
    "h": 26.1
  },
  "luminance": 0.01248
}

Semantic roles & 50–950 ramp

primary

#3F0808

secondary

#257E7E

accent

#F4F434

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F0808

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

Preview Lab → · Contrast checker → · Palette generator →