#3F0506#3F0506

#3F0506 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 23.8% C 0.087 H 26.1°. Best body text is #FFFFFF at 17.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F0506
RGB	rgb(63, 5, 6)
HSL	hsl(359, 85%, 13%)
HSV	hsv(359, 92%, 25%)
CMYK	cmyk(0%, 92.1%, 90.5%, 75.3%)
CIE-LAB	lab(10.40, 27.33, 13.82)
CIE-LCH	lch(10.40, 30.63, 26.82°)
OKLab	oklab(23.82% 0.0786 0.0386)
OKLCH	oklch(23.82% 0.088 26.1)
XYZ	xyz(2.1373, 1.1788, 0.2873)
Luminance	0.0118 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0506 #053F3E

analogous

#3F0523 #3F0506 #3F2105

triadic

#3F0506 #063F05 #05063F

tetradic

#3F0506 #233F05 #053F3E #21053F

square

#3F0506 #233F05 #053F3E #21053F

split-complementary

#3F0506 #053F21 #05233F

monochromatic

#1C0203 #1C0203 #3F0506 #78090B #B00E11

Accessibility & contrast

On white

17.00

#3F0506 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F0506 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0506

17.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0506	#FFFFFF	#000000	##FFFFFF
##3F0506	1.00	17.00	1.24	17.00
#FFFFFF	17.00	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	17.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#171405

Deuteranopia (green-blind)

#262104

Tritanopia (blue-blind)

#460006

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #3f0506;
/* rgb */ color: rgb(63, 5, 6);
/* oklch */ color: oklch(23.8% 0.087 26.1);

Tailwind

colors: {
  custom: {
    50: '#794c49',
    500: '#3f0506',
    950: '#000000',
  },
}

SCSS

$custom: #3f0506;
$custom-light: #794c49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0506",
  "rgb": {
    "r": 63,
    "g": 5,
    "b": 6
  },
  "hsl": {
    "h": 358.966,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.23817,
    "c": 0.0875,
    "h": 26.1
  },
  "luminance": 0.01178
}

Semantic roles & 50–950 ramp

primary

#3F0506

secondary

#20807E

accent

#FCF82C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #3F0506

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

Preview Lab → · Contrast checker → · Palette generator →