#391017#391017

#391017 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.3% C 0.065 H 13.1°. Best body text is #FFFFFF at 16.66:1 contrast (WCAG AA passes).

Color values

HEX	#391017
RGB	rgb(57, 16, 23)
HSL	hsl(350, 56%, 14%)
HSV	hsv(350, 72%, 22%)
CMYK	cmyk(0%, 71.9%, 59.6%, 77.6%)
CIE-LAB	lab(11.29, 21.02, 5.81)
CIE-LCH	lch(11.29, 21.81, 15.45°)
OKLab	oklab(24.35% 0.0635 0.0147)
OKLCH	oklch(24.35% 0.065 13.1)
XYZ	xyz(2.0275, 1.3026, 0.9551)
Luminance	0.0130 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391017 #103932

analogous

#39102C #391017 #391E10

triadic

#391017 #173910 #101739

tetradic

#391017 #2C3910 #103932 #1E1039

square

#391017 #2C3910 #103932 #1E1039

split-complementary

#391017 #10391E #102C39

monochromatic

#18070A #18070A #391017 #691D2A #992B3E

Accessibility & contrast

On white

16.66

#391017 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#391017 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391017

16.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391017	#FFFFFF	#000000	##FFFFFF
##391017	1.00	16.66	1.26	16.66
#FFFFFF	16.66	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191917

Deuteranopia (green-blind)

#242116

Tritanopia (blue-blind)

#3F0913

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #391017;
/* rgb */ color: rgb(57, 16, 23);
/* oklch */ color: oklch(24.3% 0.065 13.1);

Tailwind

colors: {
  custom: {
    50: '#725053',
    500: '#391017',
    950: '#000000',
  },
}

SCSS

$custom: #391017;
$custom-light: #725053;
$custom-dark: #000000;

JSON

{
  "hex": "#391017",
  "rgb": {
    "r": 57,
    "g": 16,
    "b": 23
  },
  "hsl": {
    "h": 349.756,
    "s": 56.164,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24348,
    "c": 0.06519,
    "h": 13.1
  },
  "luminance": 0.01302
}

Semantic roles & 50–950 ramp

primary

#391017

secondary

#327368

accent

#DFC648

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080202

muted

#7B7878

Preview Lab

Preview with #391017

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

Preview Lab → · Contrast checker → · Palette generator →