#3F1509#3F1509

#3F1509 is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.0% C 0.069 H 36.6°. Best body text is #FFFFFF at 15.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F1509
RGB	rgb(63, 21, 9)
HSL	hsl(13, 75%, 14%)
HSV	hsv(13, 86%, 25%)
CMYK	cmyk(0%, 66.7%, 85.7%, 75.3%)
CIE-LAB	lab(13.31, 19.69, 16.58)
CIE-LCH	lch(13.31, 25.74, 40.10°)
OKLab	oklab(26.01% 0.0555 0.0413)
OKLCH	oklch(26.01% 0.069 36.6)
XYZ	xyz(2.3676, 1.6131, 0.4451)
Luminance	0.0161 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1509 #09333F

analogous

#3F0918 #3F1509 #3F3009

triadic

#3F1509 #093F15 #15093F

tetradic

#3F1509 #183F09 #09333F #30093F

square

#3F1509 #183F09 #09333F #30093F

split-complementary

#3F1509 #093F30 #09183F

monochromatic

#1B0904 #1B0904 #3F1509 #752711 #AA3918

Accessibility & contrast

On white

15.88

#3F1509 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#3F1509 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1509

15.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1509	#FFFFFF	#000000	##FFFFFF
##3F1509	1.00	15.88	1.32	15.88
#FFFFFF	15.88	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211C08

Deuteranopia (green-blind)

#2B2608

Tritanopia (blue-blind)

#460B12

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f1509;
/* rgb */ color: rgb(63, 21, 9);
/* oklch */ color: oklch(26.0% 0.069 36.6);

Tailwind

colors: {
  custom: {
    50: '#78544a',
    500: '#3f1509',
    950: '#000000',
  },
}

SCSS

$custom: #3f1509;
$custom-light: #78544a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1509",
  "rgb": {
    "r": 63,
    "g": 21,
    "b": 9
  },
  "hsl": {
    "h": 13.333,
    "s": 75,
    "l": 14.118
  },
  "oklch": {
    "l": 0.26012,
    "c": 0.0692,
    "h": 36.6
  },
  "luminance": 0.01613
}

Semantic roles & 50–950 ramp

primary

#3F1509

secondary

#276A7D

accent

#C8F236

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#0A0301

muted

#7C7877

Preview Lab

Preview with #3F1509

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

Preview Lab → · Contrast checker → · Palette generator →