#3F161F#3F161F

#3F161F is a dark, moderate red. Relative luminance 0.017; OKLCH L 26.7% C 0.065 H 8.9°. Best body text is #FFFFFF at 15.60:1 contrast (WCAG AA passes).

Color values

HEX	#3F161F
RGB	rgb(63, 22, 31)
HSL	hsl(347, 48%, 17%)
HSV	hsv(347, 65%, 25%)
CMYK	cmyk(0%, 65.1%, 50.8%, 75.3%)
CIE-LAB	lab(14.00, 21.04, 3.85)
CIE-LCH	lch(14.00, 21.39, 10.36°)
OKLab	oklab(26.68% 0.0639 0.01)
OKLCH	oklch(26.68% 0.065 8.9)
XYZ	xyz(2.5843, 1.7298, 1.4938)
Luminance	0.0173 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F161F #163F36

analogous

#3F1634 #3F161F #3F2216

triadic

#3F161F #1F3F16 #161F3F

tetradic

#3F161F #343F16 #163F36 #22163F

square

#3F161F #343F16 #163F36 #22163F

split-complementary

#3F161F #163F22 #16343F

monochromatic

#17080B #17080B #3F161F #6C2635 #9A364C

Accessibility & contrast

On white

15.60

#3F161F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#3F161F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F161F

15.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F161F	#FFFFFF	#000000	##FFFFFF
##3F161F	1.00	15.60	1.35	15.60
#FFFFFF	15.60	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1F1F

Deuteranopia (green-blind)

#29271E

Tritanopia (blue-blind)

#451119

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #3f161f;
/* rgb */ color: rgb(63, 22, 31);
/* oklch */ color: oklch(26.7% 0.065 8.9);

Tailwind

colors: {
  custom: {
    50: '#77555a',
    500: '#3f161f',
    950: '#000000',
  },
}

SCSS

$custom: #3f161f;
$custom-light: #77555a;
$custom-dark: #000000;

JSON

{
  "hex": "#3f161f",
  "rgb": {
    "r": 63,
    "g": 22,
    "b": 31
  },
  "hsl": {
    "h": 346.829,
    "s": 48.235,
    "l": 16.667
  },
  "oklch": {
    "l": 0.26684,
    "c": 0.06467,
    "h": 8.9
  },
  "luminance": 0.0173
}

Semantic roles & 50–950 ramp

primary

#3F161F

secondary

#3B7669

accent

#D8BA50

background

#F7F5F5

surface

#EDE9E9

border

#C8C5C5

text

#090303

muted

#7B7878

Preview Lab

Preview with #3F161F

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

Preview Lab → · Contrast checker → · Palette generator →