#3F0D10#3F0D10

#3F0D10 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.9% C 0.077 H 21.5°. Best body text is #FFFFFF at 16.45:1 contrast (WCAG AA passes).

Color values

HEX	#3F0D10
RGB	rgb(63, 13, 16)
HSL	hsl(356, 66%, 15%)
HSV	hsv(356, 79%, 25%)
CMYK	cmyk(0%, 79.4%, 74.6%, 75.3%)
CIE-LAB	lab(11.84, 24.36, 11.31)
CIE-LCH	lch(11.84, 26.86, 24.90°)
OKLab	oklab(24.94% 0.0719 0.0284)
OKLCH	oklch(24.94% 0.077 21.5)
XYZ	xyz(2.2876, 1.3824, 0.6365)
Luminance	0.0138 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0D10 #0D3F3C

analogous

#3F0D29 #3F0D10 #3F230D

triadic

#3F0D10 #103F0D #0D103F

tetradic

#3F0D10 #293F0D #0D3F3C #230D3F

square

#3F0D10 #293F0D #0D3F3C #230D3F

split-complementary

#3F0D10 #0D3F23 #0D293F

monochromatic

#190506 #190506 #3F0D10 #72171D #A4222A

Accessibility & contrast

On white

16.45

#3F0D10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0D10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0D10

16.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0D10	#FFFFFF	#000000	##FFFFFF
##3F0D10	1.00	16.45	1.28	16.45
#FFFFFF	16.45	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1810

Deuteranopia (green-blind)

#27230F

Tritanopia (blue-blind)

#46020F

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3f0d10;
/* rgb */ color: rgb(63, 13, 16);
/* oklch */ color: oklch(24.9% 0.077 21.5);

Tailwind

colors: {
  custom: {
    50: '#79504e',
    500: '#3f0d10',
    950: '#000000',
  },
}

SCSS

$custom: #3f0d10;
$custom-light: #79504e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0d10",
  "rgb": {
    "r": 63,
    "g": 13,
    "b": 16
  },
  "hsl": {
    "h": 356.4,
    "s": 65.789,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24943,
    "c": 0.07727,
    "h": 21.5
  },
  "luminance": 0.01382
}

Semantic roles & 50–950 ramp

primary

#3F0D10

secondary

#2D7B76

accent

#E9DF3F

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0201

muted

#7C7877

Preview Lab

Preview with #3F0D10

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

Preview Lab → · Contrast checker → · Palette generator →