#3F111C#3F111C

#3F111C is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.8% C 0.072 H 9.2°. Best body text is #FFFFFF at 16.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F111C
RGB	rgb(63, 17, 28)
HSL	hsl(346, 58%, 16%)
HSV	hsv(346, 73%, 25%)
CMYK	cmyk(0%, 73%, 55.6%, 75.3%)
CIE-LAB	lab(12.87, 23.46, 4.46)
CIE-LCH	lch(12.87, 23.88, 10.78°)
OKLab	oklab(25.81% 0.0712 0.0115)
OKLCH	oklch(25.81% 0.072 9.2)
XYZ	xyz(2.4601, 1.5418, 1.2664)
Luminance	0.0154 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F111C #113F34

analogous

#3F1133 #3F111C #3F1D11

triadic

#3F111C #1C3F11 #111C3F

tetradic

#3F111C #333F11 #113F34 #1D113F

square

#3F111C #333F11 #113F34 #1D113F

split-complementary

#3F111C #113F1D #11333F

monochromatic

#18070B #18070B #3F111C #6F1E31 #9F2B47

Accessibility & contrast

On white

16.05

#3F111C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#3F111C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F111C

16.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F111C	#FFFFFF	#000000	##FFFFFF
##3F111C	1.00	16.05	1.31	16.05
#FFFFFF	16.05	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1B1C

Deuteranopia (green-blind)

#27251B

Tritanopia (blue-blind)

#450A15

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f111c;
/* rgb */ color: rgb(63, 17, 28);
/* oklch */ color: oklch(25.8% 0.072 9.2);

Tailwind

colors: {
  custom: {
    50: '#775257',
    500: '#3f111c',
    950: '#000000',
  },
}

SCSS

$custom: #3f111c;
$custom-light: #775257;
$custom-dark: #000000;

JSON

{
  "hex": "#3f111c",
  "rgb": {
    "r": 63,
    "g": 17,
    "b": 28
  },
  "hsl": {
    "h": 345.652,
    "s": 57.5,
    "l": 15.686
  },
  "oklch": {
    "l": 0.2581,
    "c": 0.07217,
    "h": 9.2
  },
  "luminance": 0.01541
}

Semantic roles & 50–950 ramp

primary

#3F111C

secondary

#337868

accent

#E1BC47

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#090203

muted

#7B7878

Preview Lab

Preview with #3F111C

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

Preview Lab → · Contrast checker → · Palette generator →