#3F0705#3F0705

#3F0705 is a very dark, moderate red. Relative luminance 0.012; OKLCH L 24.0% C 0.085 H 28.4°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F0705
RGB	rgb(63, 7, 5)
HSL	hsl(2, 85%, 13%)
HSV	hsv(2, 92%, 25%)
CMYK	cmyk(0%, 88.9%, 92.1%, 75.3%)
CIE-LAB	lab(10.70, 26.38, 14.66)
CIE-LCH	lch(10.70, 30.18, 29.06°)
OKLab	oklab(24.04% 0.0752 0.0407)
OKLCH	oklch(24.04% 0.085 28.4)
XYZ	xyz(2.1535, 1.2200, 0.2656)
Luminance	0.0122 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F0705 #053D3F

analogous

#3F0520 #3F0705 #3F2405

triadic

#3F0705 #053F07 #07053F

tetradic

#3F0705 #203F05 #053D3F #24053F

square

#3F0705 #203F05 #053D3F #24053F

split-complementary

#3F0705 #053F24 #05203F

monochromatic

#1C0302 #1C0302 #3F0705 #780D09 #B0140E

Accessibility & contrast

On white

16.88

#3F0705 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#3F0705 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F0705

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F0705	#FFFFFF	#000000	##FFFFFF
##3F0705	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191504

Deuteranopia (green-blind)

#262103

Tritanopia (blue-blind)

#460007

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #3f0705;
/* rgb */ color: rgb(63, 7, 5);
/* oklch */ color: oklch(24.0% 0.085 28.4);

Tailwind

colors: {
  custom: {
    50: '#794d49',
    500: '#3f0705',
    950: '#000000',
  },
}

SCSS

$custom: #3f0705;
$custom-light: #794d49;
$custom-dark: #000000;

JSON

{
  "hex": "#3f0705",
  "rgb": {
    "r": 63,
    "g": 7,
    "b": 5
  },
  "hsl": {
    "h": 2.069,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.24038,
    "c": 0.08549,
    "h": 28.4
  },
  "luminance": 0.0122
}

Semantic roles & 50–950 ramp

primary

#3F0705

secondary

#207C80

accent

#F4FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0100

muted

#7C7777

Preview Lab

Preview with #3F0705

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

Preview Lab → · Contrast checker → · Palette generator →