#3F0F04#3F0F04

#3F0F04 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.078 H 35.2°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F04
RGB	rgb(63, 15, 4)
HSL	hsl(11, 88%, 13%)
HSV	hsv(11, 94%, 25%)
CMYK	cmyk(0%, 76.2%, 93.7%, 75.3%)
CIE-LAB	lab(12.01, 22.69, 16.86)
CIE-LCH	lch(12.01, 28.27, 36.62°)
OKLab	oklab(25.01% 0.0634 0.0447)
OKLCH	oklch(25.01% 0.078 35.2)
XYZ	xyz(2.2429, 1.4075, 0.2684)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F04 #04343F

analogous

#3F0416 #3F0F04 #3F2C04

triadic

#3F0F04 #043F0F #0F043F

tetradic

#3F0F04 #163F04 #04343F #2C043F

square

#3F0F04 #163F04 #04343F #2C043F

split-complementary

#3F0F04 #043F2C #04163F

monochromatic

#1D0702 #1D0702 #3F0F04 #791D08 #B22A0B

Accessibility & contrast

On white

16.39

#3F0F04 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0F04 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F04

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F04	#FFFFFF	#000000	##FFFFFF
##3F0F04	1.00	16.39	1.28	16.39
#FFFFFF	16.39	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1903

Deuteranopia (green-blind)

#292303

Tritanopia (blue-blind)

#46020D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0f04;
/* rgb */ color: rgb(63, 15, 4);
/* oklch */ color: oklch(25.0% 0.078 35.2);

Tailwind

colors: {
  custom: {
    50: '#795048',
    500: '#3f0f04',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f04;
$custom-light: #795048;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f04",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 4
  },
  "hsl": {
    "h": 11.186,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.25008,
    "c": 0.0776,
    "h": 35.2
  },
  "luminance": 0.01407
}

Semantic roles & 50–950 ramp

primary

#3F0F04

secondary

#1E6E80

accent

#D7FE2A

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F0F04

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

Preview Lab → · Contrast checker → · Palette generator →