#3F1105#3F1105

#3F1105 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.3% C 0.075 H 36.1°. Best body text is #FFFFFF at 16.23:1 contrast (WCAG AA passes).

Color values

HEX	#3F1105
RGB	rgb(63, 17, 5)
HSL	hsl(12, 85%, 13%)
HSV	hsv(12, 92%, 25%)
CMYK	cmyk(0%, 73%, 92.1%, 75.3%)
CIE-LAB	lab(12.41, 21.71, 17.00)
CIE-LCH	lch(12.41, 27.57, 38.07°)
OKLab	oklab(25.31% 0.0607 0.0442)
OKLCH	oklch(25.31% 0.075 36.1)
XYZ	xyz(2.2780, 1.4689, 0.3071)
Luminance	0.0147 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1105 #05333F

analogous

#3F0516 #3F1105 #3F2E05

triadic

#3F1105 #053F11 #11053F

tetradic

#3F1105 #163F05 #05333F #2E053F

square

#3F1105 #163F05 #05333F #2E053F

split-complementary

#3F1105 #053F2E #05163F

monochromatic

#1C0802 #1C0802 #3F1105 #782009 #B0300E

Accessibility & contrast

On white

16.23

#3F1105 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3F1105 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1105

16.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1105	#FFFFFF	#000000	##FFFFFF
##3F1105	1.00	16.23	1.29	16.23
#FFFFFF	16.23	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1A04

Deuteranopia (green-blind)

#2A2404

Tritanopia (blue-blind)

#46050E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f1105;
/* rgb */ color: rgb(63, 17, 5);
/* oklch */ color: oklch(25.3% 0.075 36.1);

Tailwind

colors: {
  custom: {
    50: '#795149',
    500: '#3f1105',
    950: '#000000',
  },
}

SCSS

$custom: #3f1105;
$custom-light: #795149;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1105",
  "rgb": {
    "r": 63,
    "g": 17,
    "b": 5
  },
  "hsl": {
    "h": 12.414,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.25314,
    "c": 0.07508,
    "h": 36.1
  },
  "luminance": 0.01469
}

Semantic roles & 50–950 ramp

primary

#3F1105

secondary

#206C80

accent

#D1FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F1105

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

Preview Lab → · Contrast checker → · Palette generator →