#3B1111#3B1111

#3B1111 is a very dark, moderate red. Relative luminance 0.014; OKLCH L 24.7% C 0.067 H 23.3°. Best body text is #FFFFFF at 16.48:1 contrast (WCAG AA passes).

Color values

HEX	#3B1111
RGB	rgb(59, 17, 17)
HSL	hsl(0, 55%, 15%)
HSV	hsv(0, 71%, 23%)
CMYK	cmyk(0%, 71.2%, 71.2%, 76.9%)
CIE-LAB	lab(11.77, 20.74, 10.50)
CIE-LCH	lch(11.77, 23.25, 26.86°)
OKLab	oklab(24.73% 0.0612 0.0264)
OKLCH	oklch(24.73% 0.067 23.3)
XYZ	xyz(2.1055, 1.3715, 0.6841)
Luminance	0.0137 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3B1111 #113B3B

analogous

#3B1126 #3B1111 #3B2611

triadic

#3B1111 #113B11 #11113B

tetradic

#3B1111 #263B11 #113B3B #26113B

square

#3B1111 #263B11 #113B3B #26113B

split-complementary

#3B1111 #113B26 #11263B

monochromatic

#180707 #180707 #3B1111 #6B1F1F #9A2C2C

Accessibility & contrast

On white

16.48

#3B1111 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#3B1111 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3B1111

16.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3B1111	#FFFFFF	#000000	##FFFFFF
##3B1111	1.00	16.48	1.27	16.48
#FFFFFF	16.48	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1911

Deuteranopia (green-blind)

#262210

Tritanopia (blue-blind)

#410911

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #3b1111;
/* rgb */ color: rgb(59, 17, 17);
/* oklch */ color: oklch(24.7% 0.067 23.3);

Tailwind

colors: {
  custom: {
    50: '#75514f',
    500: '#3b1111',
    950: '#000000',
  },
}

SCSS

$custom: #3b1111;
$custom-light: #75514f;
$custom-dark: #000000;

JSON

{
  "hex": "#3b1111",
  "rgb": {
    "r": 59,
    "g": 17,
    "b": 17
  },
  "hsl": {
    "h": 0,
    "s": 55.263,
    "l": 14.902
  },
  "oklch": {
    "l": 0.24734,
    "c": 0.06667,
    "h": 23.3
  },
  "luminance": 0.01371
}

Semantic roles & 50–950 ramp

primary

#3B1111

secondary

#337474

accent

#DFDF49

background

#F7F4F4

surface

#EDE7E7

border

#C8C3C3

text

#090201

muted

#7B7877

Preview Lab

Preview with #3B1111

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

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