#A11F1D#A11F1D

#A11F1D is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.2% C 0.166 H 27.3°. Best body text is #FFFFFF at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#A11F1D
RGB	rgb(161, 31, 29)
HSL	hsl(1, 69%, 37%)
HSV	hsv(1, 82%, 63%)
CMYK	cmyk(0%, 80.7%, 82%, 36.9%)
CIE-LAB	lab(35.30, 51.54, 35.50)
CIE-LCH	lch(35.30, 62.58, 34.56°)
OKLab	oklab(46.21% 0.1475 0.0762)
OKLCH	oklch(46.21% 0.166 27.3)
XYZ	xyz(15.4116, 8.6483, 2.0200)
Luminance	0.0865 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11F1D #1D9FA1

analogous

#A11D5D #A11F1D #A1611D

triadic

#A11F1D #1DA11F #1F1DA1

tetradic

#A11F1D #5DA11D #1D9FA1 #611DA1

square

#A11F1D #5DA11D #1D9FA1 #611DA1

split-complementary

#A11F1D #1DA161 #1D5DA1

monochromatic

#390B0A #6D1514 #A11F1D #D52926 #E15A58

Accessibility & contrast

On white

7.69

#A11F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#A11F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11F1D

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11F1D	#FFFFFF	#000000	##FFFFFF
##A11F1D	1.00	7.69	2.73	7.69
#FFFFFF	7.69	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49411B

Deuteranopia (green-blind)

#695D16

Tritanopia (blue-blind)

#B20021

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11f1d;
/* rgb */ color: rgb(161, 31, 29);
/* oklch */ color: oklch(46.2% 0.166 27.3);

Tailwind

colors: {
  custom: {
    50: '#c6685a',
    500: '#a11f1d',
    950: '#000000',
  },
}

SCSS

$custom: #a11f1d;
$custom-light: #c6685a;
$custom-dark: #000000;

JSON

{
  "hex": "#a11f1d",
  "rgb": {
    "r": 161,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 0.909,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46213,
    "c": 0.16606,
    "h": 27.3
  },
  "luminance": 0.08646
}

Semantic roles & 50–950 ramp

primary

#A11F1D

secondary

#55C3C4

accent

#EAEC3C

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11F1D

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

Preview Lab → · Contrast checker → · Palette generator →