#3F0F05#3F0F05

#3F0F05 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.077 H 34.2°. Best body text is #FFFFFF at 16.38:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F05
RGB	rgb(63, 15, 5)
HSL	hsl(10, 85%, 13%)
HSV	hsv(10, 92%, 25%)
CMYK	cmyk(0%, 76.2%, 92.1%, 75.3%)
CIE-LAB	lab(12.02, 22.75, 16.48)
CIE-LCH	lch(12.02, 28.09, 35.92°)
OKLab	oklab(25.02% 0.0639 0.0434)
OKLCH	oklch(25.02% 0.077 34.2)
XYZ	xyz(2.2484, 1.4097, 0.2973)
Luminance	0.0141 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F05 #05353F

analogous

#3F0518 #3F0F05 #3F2C05

triadic

#3F0F05 #053F0F #0F053F

tetradic

#3F0F05 #183F05 #05353F #2C053F

square

#3F0F05 #183F05 #05353F #2C053F

split-complementary

#3F0F05 #053F2C #05183F

monochromatic

#1C0702 #1C0702 #3F0F05 #781C09 #B02A0E

Accessibility & contrast

On white

16.38

#3F0F05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0F05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F05

16.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F05	#FFFFFF	#000000	##FFFFFF
##3F0F05	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)

#1D1904

Deuteranopia (green-blind)

#292304

Tritanopia (blue-blind)

#46030D

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f0f05;
/* rgb */ color: rgb(63, 15, 5);
/* oklch */ color: oklch(25.0% 0.077 34.2);

Tailwind

colors: {
  custom: {
    50: '#795049',
    500: '#3f0f05',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f05;
$custom-light: #795049;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f05",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 5
  },
  "hsl": {
    "h": 10.345,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.25023,
    "c": 0.07725,
    "h": 34.2
  },
  "luminance": 0.01409
}

Semantic roles & 50–950 ramp

primary

#3F0F05

secondary

#206F80

accent

#D8FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F0F05

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

Preview Lab → · Contrast checker → · Palette generator →