#3F1817#3F1817

#3F1817 is a dark, moderate red. Relative luminance 0.018; OKLCH L 26.8% C 0.061 H 23.6°. Best body text is #FFFFFF at 15.51:1 contrast (WCAG AA passes).

Color values

HEX	#3F1817
RGB	rgb(63, 24, 23)
HSL	hsl(2, 47%, 17%)
HSV	hsv(2, 63%, 25%)
CMYK	cmyk(0%, 61.9%, 63.5%, 75.3%)
CIE-LAB	lab(14.24, 18.96, 9.99)
CIE-LCH	lch(14.24, 21.43, 27.80°)
OKLab	oklab(26.8% 0.0563 0.0246)
OKLCH	oklch(26.8% 0.061 23.6)
XYZ	xyz(2.5314, 1.7722, 1.0192)
Luminance	0.0177 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1817 #173E3F

analogous

#3F172A #3F1817 #3F2C17

triadic

#3F1817 #173F18 #18173F

tetradic

#3F1817 #2A3F17 #173E3F #2C173F

square

#3F1817 #2A3F17 #173E3F #2C173F

split-complementary

#3F1817 #173F2C #172A3F

monochromatic

#160908 #160908 #3F1817 #6C2927 #993A38

Accessibility & contrast

On white

15.51

#3F1817 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#3F1817 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1817

15.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1817	#FFFFFF	#000000	##FFFFFF
##3F1817	1.00	15.51	1.35	15.51
#FFFFFF	15.51	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#211F17

Deuteranopia (green-blind)

#2B2716

Tritanopia (blue-blind)

#451218

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #3f1817;
/* rgb */ color: rgb(63, 24, 23);
/* oklch */ color: oklch(26.8% 0.061 23.6);

Tailwind

colors: {
  custom: {
    50: '#775653',
    500: '#3f1817',
    950: '#000000',
  },
}

SCSS

$custom: #3f1817;
$custom-light: #775653;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1817",
  "rgb": {
    "r": 63,
    "g": 24,
    "b": 23
  },
  "hsl": {
    "h": 1.5,
    "s": 46.512,
    "l": 16.863
  },
  "oklch": {
    "l": 0.26798,
    "c": 0.06145,
    "h": 23.6
  },
  "luminance": 0.01772
}

Semantic roles & 50–950 ramp

primary

#3F1817

secondary

#3C7476

accent

#D3D652

background

#F7F5F4

surface

#EDE9E7

border

#C8C5C3

text

#090302

muted

#7B7878

Preview Lab

Preview with #3F1817

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

Preview Lab → · Contrast checker → · Palette generator →