#3F131E#3F131E

#3F131E is a dark, moderate red. Relative luminance 0.016; OKLCH L 26.2% C 0.069 H 7.9°. Best body text is #FFFFFF at 15.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F131E
RGB	rgb(63, 19, 30)
HSL	hsl(345, 54%, 16%)
HSV	hsv(345, 70%, 25%)
CMYK	cmyk(0%, 69.8%, 52.4%, 75.3%)
CIE-LAB	lab(13.33, 22.62, 3.63)
CIE-LCH	lch(13.33, 22.91, 9.12°)
OKLab	oklab(26.17% 0.0688 0.0095)
OKLCH	oklch(26.17% 0.069 7.9)
XYZ	xyz(2.5173, 1.6165, 1.4075)
Luminance	0.0162 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F131E #133F34

analogous

#3F1334 #3F131E #3F1E13

triadic

#3F131E #1E3F13 #131E3F

tetradic

#3F131E #343F13 #133F34 #1E133F

square

#3F131E #343F13 #133F34 #1E133F

split-complementary

#3F131E #133F1E #13343F

monochromatic

#18070B #18070B #3F131E #6E2134 #9D2F4B

Accessibility & contrast

On white

15.87

#3F131E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#3F131E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F131E

15.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F131E	#FFFFFF	#000000	##FFFFFF
##3F131E	1.00	15.87	1.32	15.87
#FFFFFF	15.87	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1D1E

Deuteranopia (green-blind)

#28251D

Tritanopia (blue-blind)

#450D17

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #3f131e;
/* rgb */ color: rgb(63, 19, 30);
/* oklch */ color: oklch(26.2% 0.069 7.9);

Tailwind

colors: {
  custom: {
    50: '#775359',
    500: '#3f131e',
    950: '#000000',
  },
}

SCSS

$custom: #3f131e;
$custom-light: #775359;
$custom-dark: #000000;

JSON

{
  "hex": "#3f131e",
  "rgb": {
    "r": 63,
    "g": 19,
    "b": 30
  },
  "hsl": {
    "h": 345,
    "s": 53.659,
    "l": 16.078
  },
  "oklch": {
    "l": 0.26173,
    "c": 0.06942,
    "h": 7.9
  },
  "luminance": 0.01616
}

Semantic roles & 50–950 ramp

primary

#3F131E

secondary

#367867

accent

#DDB84B

background

#F7F4F5

surface

#EDE7E9

border

#C8C3C5

text

#090203

muted

#7B7878

Preview Lab

Preview with #3F131E

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

Preview Lab → · Contrast checker → · Palette generator →