#3F050D#3F050D

#3F050D is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.9% C 0.087 H 19.6°. Best body text is #FFFFFF at 16.95:1 contrast (WCAG AA passes).

Color values

HEX	#3F050D
RGB	rgb(63, 5, 13)
HSL	hsl(352, 85%, 13%)
HSV	hsv(352, 92%, 25%)
CMYK	cmyk(0%, 92.1%, 79.4%, 75.3%)
CIE-LAB	lab(10.52, 27.70, 11.03)
CIE-LCH	lch(10.52, 29.81, 21.72°)
OKLab	oklab(23.94% 0.0817 0.0292)
OKLCH	oklch(23.94% 0.087 19.6)
XYZ	xyz(2.1771, 1.1947, 0.4967)
Luminance	0.0119 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F050D #053F37

analogous

#3F052A #3F050D #3F1A05

triadic

#3F050D #0D3F05 #050D3F

tetradic

#3F050D #2A3F05 #053F37 #1A053F

square

#3F050D #2A3F05 #053F37 #1A053F

split-complementary

#3F050D #053F1A #052A3F

monochromatic

#1C0206 #1C0206 #3F050D #780919 #B00E24

Accessibility & contrast

On white

16.95

#3F050D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F050D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F050D

16.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F050D	#FFFFFF	#000000	##FFFFFF
##3F050D	1.00	16.95	1.24	16.95
#FFFFFF	16.95	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17150D

Deuteranopia (green-blind)

#25210B

Tritanopia (blue-blind)

#460008

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3f050d;
/* rgb */ color: rgb(63, 5, 13);
/* oklch */ color: oklch(23.9% 0.087 19.6);

Tailwind

colors: {
  custom: {
    50: '#794c4c',
    500: '#3f050d',
    950: '#000000',
  },
}

SCSS

$custom: #3f050d;
$custom-light: #794c4c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f050d",
  "rgb": {
    "r": 63,
    "g": 5,
    "b": 13
  },
  "hsl": {
    "h": 351.724,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23942,
    "c": 0.08679,
    "h": 19.6
  },
  "luminance": 0.01194
}

Semantic roles & 50–950 ramp

primary

#3F050D

secondary

#208072

accent

#FCDF2C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F050D

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

Preview Lab → · Contrast checker → · Palette generator →