#3F1005#3F1005

#3F1005 is a dark, moderate red. Relative luminance 0.014; OKLCH L 25.2% C 0.076 H 35.1°. Best body text is #FFFFFF at 16.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F1005
RGB	rgb(63, 16, 5)
HSL	hsl(11, 85%, 13%)
HSV	hsv(11, 92%, 25%)
CMYK	cmyk(0%, 74.6%, 92.1%, 75.3%)
CIE-LAB	lab(12.21, 22.23, 16.73)
CIE-LCH	lch(12.21, 27.83, 36.97°)
OKLab	oklab(25.17% 0.0623 0.0438)
OKLCH	oklch(25.17% 0.076 35.1)
XYZ	xyz(2.2628, 1.4386, 0.3021)
Luminance	0.0144 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1005 #05343F

analogous

#3F0517 #3F1005 #3F2D05

triadic

#3F1005 #053F10 #10053F

tetradic

#3F1005 #173F05 #05343F #2D053F

square

#3F1005 #173F05 #05343F #2D053F

split-complementary

#3F1005 #053F2D #05173F

monochromatic

#1C0702 #1C0702 #3F1005 #781E09 #B02D0E

Accessibility & contrast

On white

16.31

#3F1005 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#3F1005 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1005

16.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1005	#FFFFFF	#000000	##FFFFFF
##3F1005	1.00	16.31	1.29	16.31
#FFFFFF	16.31	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1904

Deuteranopia (green-blind)

#292404

Tritanopia (blue-blind)

#46040E

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #3f1005;
/* rgb */ color: rgb(63, 16, 5);
/* oklch */ color: oklch(25.2% 0.076 35.1);

Tailwind

colors: {
  custom: {
    50: '#795149',
    500: '#3f1005',
    950: '#000000',
  },
}

SCSS

$custom: #3f1005;
$custom-light: #795149;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1005",
  "rgb": {
    "r": 63,
    "g": 16,
    "b": 5
  },
  "hsl": {
    "h": 11.379,
    "s": 85.294,
    "l": 13.333
  },
  "oklch": {
    "l": 0.25166,
    "c": 0.07617,
    "h": 35.1
  },
  "luminance": 0.01438
}

Semantic roles & 50–950 ramp

primary

#3F1005

secondary

#206E80

accent

#D4FC2C

background

#F7F4F4

surface

#EEE7E6

border

#C9C3C2

text

#0A0200

muted

#7C7877

Preview Lab

Preview with #3F1005

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

Preview Lab → · Contrast checker → · Palette generator →