#3F0E11#3F0E11

#3F0E11 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.1% C 0.076 H 21.2°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#3F0E11
RGB	rgb(63, 14, 17)
HSL	hsl(356, 64%, 15%)
HSV	hsv(356, 78%, 25%)
CMYK	cmyk(0%, 77.8%, 73%, 75.3%)
CIE-LAB	lab(12.03, 23.96, 11.01)
CIE-LCH	lch(12.03, 26.36, 24.68°)
OKLab	oklab(25.1% 0.0708 0.0274)
OKLCH	oklch(25.1% 0.076 21.2)
XYZ	xyz(2.3083, 1.4116, 0.6811)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0E11 #0E3F3C

analogous

#3F0E29 #3F0E11 #3F240E

triadic

#3F0E11 #113F0E #0E113F

tetradic

#3F0E11 #293F0E #0E3F3C #240E3F

square

#3F0E11 #293F0E #0E3F3C #240E3F

split-complementary

#3F0E11 #0E3F24 #0E293F

monochromatic

#190607 #190607 #3F0E11 #71191F #A3242C

Accessibility & contrast

On white

16.38

#3F0E11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0E11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0E11

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0E11	#FFFFFF	#000000	##FFFFFF
##3F0E11	1.00	16.38	1.28	16.38
#FFFFFF	16.38	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1911

Deuteranopia (green-blind)

#282310

Tritanopia (blue-blind)

#46030F

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0e11;
/* rgb */ color: rgb(63, 14, 17);
/* oklch */ color: oklch(25.1% 0.076 21.2);

Tailwind

colors: {
  custom: {
    50: '#78504f',
    500: '#3f0e11',
    950: '#000000',
  },
}

SCSS

$custom: #3f0e11;
$custom-light: #78504f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0e11",
  "rgb": {
    "r": 63,
    "g": 14,
    "b": 17
  },
  "hsl": {
    "h": 356.327,
    "s": 63.636,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25095,
    "c": 0.07594,
    "h": 21.2
  },
  "luminance": 0.01411
}

Semantic roles & 50–950 ramp

primary

#3F0E11

secondary

#2F7A75

accent

#E7DD41

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0E11

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

Preview Lab → · Contrast checker → · Palette generator →