#3F0F11#3F0F11

#3F0F11 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.075 H 22.0°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F11
RGB	rgb(63, 15, 17)
HSL	hsl(358, 62%, 15%)
HSV	hsv(358, 76%, 25%)
CMYK	cmyk(0%, 76.2%, 73%, 75.3%)
CIE-LAB	lab(12.22, 23.46, 11.25)
CIE-LCH	lch(12.22, 26.02, 25.63°)
OKLab	oklab(25.23% 0.0693 0.0279)
OKLCH	oklch(25.23% 0.075 22)
XYZ	xyz(2.3221, 1.4392, 0.6857)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F11 #0F3F3D

analogous

#3F0F29 #3F0F11 #3F250F

triadic

#3F0F11 #113F0F #0F113F

tetradic

#3F0F11 #293F0F #0F3F3D #250F3F

square

#3F0F11 #293F0F #0F3F3D #250F3F

split-complementary

#3F0F11 #0F3F25 #0F293F

monochromatic

#190607 #190607 #3F0F11 #701B1E #A2272C

Accessibility & contrast

On white

16.31

#3F0F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3F0F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F11

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F11	#FFFFFF	#000000	##FFFFFF
##3F0F11	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1911

Deuteranopia (green-blind)

#282410

Tritanopia (blue-blind)

#460510

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0f11;
/* rgb */ color: rgb(63, 15, 17);
/* oklch */ color: oklch(25.2% 0.075 22.0);

Tailwind

colors: {
  custom: {
    50: '#78514f',
    500: '#3f0f11',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f11;
$custom-light: #78514f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f11",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 17
  },
  "hsl": {
    "h": 357.5,
    "s": 61.538,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25231,
    "c": 0.07468,
    "h": 22
  },
  "luminance": 0.01439
}

Semantic roles & 50–950 ramp

primary

#3F0F11

secondary

#307976

accent

#E5DE43

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3F0F11

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

Preview Lab → · Contrast checker → · Palette generator →