#3F1019#3F1019

#3F1019 is a dark, moderate red. Relative luminance 0.015; OKLCH L 25.6% C 0.073 H 12.6°. Best body text is #FFFFFF at 16.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F1019
RGB	rgb(63, 16, 25)
HSL	hsl(349, 59%, 15%)
HSV	hsv(349, 75%, 25%)
CMYK	cmyk(0%, 74.6%, 60.3%, 75.3%)
CIE-LAB	lab(12.59, 23.66, 6.31)
CIE-LCH	lch(12.59, 24.49, 14.92°)
OKLab	oklab(25.58% 0.0715 0.0159)
OKLCH	oklch(25.58% 0.073 12.6)
XYZ	xyz(2.4109, 1.4978, 1.0817)
Luminance	0.0150 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F1019 #103F36

analogous

#3F1030 #3F1019 #3F1E10

triadic

#3F1019 #193F10 #10193F

tetradic

#3F1019 #303F10 #103F36 #1E103F

square

#3F1019 #303F10 #103F36 #1E103F

split-complementary

#3F1019 #103F1E #10303F

monochromatic

#18060A #18060A #3F1019 #701C2C #A12940

Accessibility & contrast

On white

16.16

#3F1019 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#3F1019 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F1019

16.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F1019	#FFFFFF	#000000	##FFFFFF
##3F1019	1.00	16.16	1.30	16.16
#FFFFFF	16.16	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1B19

Deuteranopia (green-blind)

#272418

Tritanopia (blue-blind)

#450814

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #3f1019;
/* rgb */ color: rgb(63, 16, 25);
/* oklch */ color: oklch(25.6% 0.073 12.6);

Tailwind

colors: {
  custom: {
    50: '#785155',
    500: '#3f1019',
    950: '#000000',
  },
}

SCSS

$custom: #3f1019;
$custom-light: #785155;
$custom-dark: #000000;

JSON

{
  "hex": "#3f1019",
  "rgb": {
    "r": 63,
    "g": 16,
    "b": 25
  },
  "hsl": {
    "h": 348.511,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.25575,
    "c": 0.07324,
    "h": 12.6
  },
  "luminance": 0.01498
}

Semantic roles & 50–950 ramp

primary

#3F1019

secondary

#32796B

accent

#E3C545

background

#F7F4F4

surface

#EEE7E7

border

#C9C3C3

text

#090203

muted

#7B7878

Preview Lab

Preview with #3F1019

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

Preview Lab → · Contrast checker → · Palette generator →