#391009#391009

#391009 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.0% C 0.067 H 32.0°. Best body text is #FFFFFF at 16.77:1 contrast (WCAG AA passes).

Color values

HEX	#391009
RGB	rgb(57, 16, 9)
HSL	hsl(9, 73%, 13%)
HSV	hsv(9, 84%, 22%)
CMYK	cmyk(0%, 71.9%, 84.2%, 77.6%)
CIE-LAB	lab(11.00, 19.86, 13.23)
CIE-LCH	lch(11.00, 23.86, 33.67°)
OKLab	oklab(24.03% 0.0568 0.0355)
OKLCH	oklch(24.03% 0.067 32)
XYZ	xyz(1.9221, 1.2604, 0.4005)
Luminance	0.0126 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391009 #093239

analogous

#39091A #391009 #392809

triadic

#391009 #093910 #100939

tetradic

#391009 #1A3909 #093239 #280939

square

#391009 #1A3909 #093239 #280939

split-complementary

#391009 #093928 #091A39

monochromatic

#1A0704 #1A0704 #391009 #6E1F11 #A32E1A

Accessibility & contrast

On white

16.77

#391009 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#391009 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391009

16.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391009	#FFFFFF	#000000	##FFFFFF
##391009	1.00	16.77	1.25	16.77
#FFFFFF	16.77	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B1808

Deuteranopia (green-blind)

#252108

Tritanopia (blue-blind)

#3F070F

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #391009;
/* rgb */ color: rgb(57, 16, 9);
/* oklch */ color: oklch(24.0% 0.067 32.0);

Tailwind

colors: {
  custom: {
    50: '#73504a',
    500: '#391009',
    950: '#000000',
  },
}

SCSS

$custom: #391009;
$custom-light: #73504a;
$custom-dark: #000000;

JSON

{
  "hex": "#391009",
  "rgb": {
    "r": 57,
    "g": 16,
    "b": 9
  },
  "hsl": {
    "h": 8.75,
    "s": 72.727,
    "l": 12.941
  },
  "oklch": {
    "l": 0.24029,
    "c": 0.067,
    "h": 32
  },
  "luminance": 0.0126
}

Semantic roles & 50–950 ramp

primary

#391009

secondary

#276B77

accent

#D5EF38

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #391009

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

Preview Lab → · Contrast checker → · Palette generator →