#3F0507#3F0507

#3F0507 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.8% C 0.087 H 25.2°. Best body text is #FFFFFF at 16.99:1 contrast (WCAG AA passes).

Color values

HEX	#3F0507
RGB	rgb(63, 5, 7)
HSL	hsl(358, 85%, 13%)
HSV	hsv(358, 92%, 25%)
CMYK	cmyk(0%, 92.1%, 88.9%, 75.3%)
CIE-LAB	lab(10.42, 27.38, 13.44)
CIE-LCH	lch(10.42, 30.50, 26.14°)
OKLab	oklab(23.83% 0.079 0.0372)
OKLCH	oklch(23.83% 0.087 25.2)
XYZ	xyz(2.1428, 1.1810, 0.3161)
Luminance	0.0118 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0507 #053F3D

analogous

#3F0524 #3F0507 #3F2005

triadic

#3F0507 #073F05 #05073F

tetradic

#3F0507 #243F05 #053F3D #20053F

square

#3F0507 #243F05 #053F3D #20053F

split-complementary

#3F0507 #053F20 #05243F

monochromatic

#1C0203 #1C0203 #3F0507 #78090D #B00E14

Accessibility & contrast

On white

16.99

#3F0507 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F0507 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0507

16.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0507	#FFFFFF	#000000	##FFFFFF
##3F0507	1.00	16.99	1.24	16.99
#FFFFFF	16.99	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171406

Deuteranopia (green-blind)

#262105

Tritanopia (blue-blind)

#460006

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3f0507;
/* rgb */ color: rgb(63, 5, 7);
/* oklch */ color: oklch(23.8% 0.087 25.2);

Tailwind

colors: {
  custom: {
    50: '#794c49',
    500: '#3f0507',
    950: '#000000',
  },
}

SCSS

$custom: #3f0507;
$custom-light: #794c49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0507",
  "rgb": {
    "r": 63,
    "g": 5,
    "b": 7
  },
  "hsl": {
    "h": 357.931,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23834,
    "c": 0.08734,
    "h": 25.2
  },
  "luminance": 0.01181
}

Semantic roles & 50–950 ramp

primary

#3F0507

secondary

#20807C

accent

#FCF42C

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0101

muted

#7C7777

Preview Lab

Preview with #3F0507

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

Preview Lab → · Contrast checker → · Palette generator →