#391011#391011

#391011 is a very dark, moderate red. Relative luminance 0.013; OKLCH L 24.2% C 0.065 H 22.0°. Best body text is #FFFFFF at 16.72:1 contrast (WCAG AA passes).

Color values

HEX	#391011
RGB	rgb(57, 16, 17)
HSL	hsl(359, 56%, 14%)
HSV	hsv(359, 72%, 22%)
CMYK	cmyk(0%, 71.9%, 70.2%, 77.6%)
CIE-LAB	lab(11.14, 20.44, 9.58)
CIE-LCH	lch(11.14, 22.57, 25.11°)
OKLab	oklab(24.19% 0.0606 0.0244)
OKLCH	oklch(24.19% 0.065 22)
XYZ	xyz(1.9740, 1.2812, 0.6735)
Luminance	0.0128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#391011 #103938

analogous

#391026 #391011 #392410

triadic

#391011 #113910 #101139

tetradic

#391011 #263910 #103938 #241039

square

#391011 #263910 #103938 #241039

split-complementary

#391011 #103924 #102639

monochromatic

#180707 #180707 #391011 #691D1F #992B2E

Accessibility & contrast

On white

16.72

#391011 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#391011 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #391011

16.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##391011	#FFFFFF	#000000	##FFFFFF
##391011	1.00	16.72	1.26	16.72
#FFFFFF	16.72	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1811

Deuteranopia (green-blind)

#252110

Tritanopia (blue-blind)

#3F0811

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #391011;
/* rgb */ color: rgb(57, 16, 17);
/* oklch */ color: oklch(24.2% 0.065 22.0);

Tailwind

colors: {
  custom: {
    50: '#73504f',
    500: '#391011',
    950: '#000000',
  },
}

SCSS

$custom: #391011;
$custom-light: #73504f;
$custom-dark: #000000;

JSON

{
  "hex": "#391011",
  "rgb": {
    "r": 57,
    "g": 16,
    "b": 17
  },
  "hsl": {
    "h": 358.537,
    "s": 56.164,
    "l": 14.314
  },
  "oklch": {
    "l": 0.24187,
    "c": 0.0653,
    "h": 22
  },
  "luminance": 0.01281
}

Semantic roles & 50–950 ramp

primary

#391011

secondary

#327371

accent

#DFDC48

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#080201

muted

#7B7877

Preview Lab

Preview with #391011

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

Preview Lab → · Contrast checker → · Palette generator →