#3F0F03#3F0F03

#3F0F03 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 25.0% C 0.078 H 36.2°. Best body text is #FFFFFF at 16.39:1 contrast (WCAG AA passes).

Color values

HEX	#3F0F03
RGB	rgb(63, 15, 3)
HSL	hsl(12, 91%, 13%)
HSV	hsv(12, 95%, 25%)
CMYK	cmyk(0%, 76.2%, 95.2%, 75.3%)
CIE-LAB	lab(11.99, 22.64, 17.25)
CIE-LCH	lch(11.99, 28.46, 37.31°)
OKLab	oklab(24.99% 0.0629 0.0461)
OKLCH	oklch(24.99% 0.078 36.2)
XYZ	xyz(2.2374, 1.4053, 0.2396)
Luminance	0.0140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0F03 #03333F

analogous

#3F0315 #3F0F03 #3F2D03

triadic

#3F0F03 #033F0F #0F033F

tetradic

#3F0F03 #153F03 #03333F #2D033F

square

#3F0F03 #153F03 #03333F #2D033F

split-complementary

#3F0F03 #033F2D #03153F

monochromatic

#1D0701 #1D0701 #3F0F03 #791D06 #B42B09

Accessibility & contrast

On white

16.39

#3F0F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#3F0F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0F03

16.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0F03	#FFFFFF	#000000	##FFFFFF
##3F0F03	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)

#1D1902

Deuteranopia (green-blind)

#292302

Tritanopia (blue-blind)

#46020C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3f0f03;
/* rgb */ color: rgb(63, 15, 3);
/* oklch */ color: oklch(25.0% 0.078 36.2);

Tailwind

colors: {
  custom: {
    50: '#795048',
    500: '#3f0f03',
    950: '#000000',
  },
}

SCSS

$custom: #3f0f03;
$custom-light: #795048;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0f03",
  "rgb": {
    "r": 63,
    "g": 15,
    "b": 3
  },
  "hsl": {
    "h": 12,
    "s": 90.909,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24992,
    "c": 0.07797,
    "h": 36.2
  },
  "luminance": 0.01405
}

Semantic roles & 50–950 ramp

primary

#3F0F03

secondary

#1D6D81

accent

#D4FF29

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F0F03

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

Preview Lab → · Contrast checker → · Palette generator →