#A11D1E#A11D1E

#A11D1E is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.1% C 0.167 H 26.6°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#A11D1E
RGB	rgb(161, 29, 30)
HSL	hsl(360, 69%, 37%)
HSV	hsv(360, 82%, 63%)
CMYK	cmyk(0%, 82%, 81.4%, 36.9%)
CIE-LAB	lab(35.11, 52.14, 34.74)
CIE-LCH	lch(35.11, 62.65, 33.68°)
OKLab	oklab(46.07% 0.1496 0.0749)
OKLCH	oklch(46.07% 0.167 26.6)
XYZ	xyz(15.3736, 8.5520, 2.0693)
Luminance	0.0855 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11D1E #1DA1A0

analogous

#A11D60 #A11D1E #A15E1D

triadic

#A11D1E #1EA11D #1D1EA1

tetradic

#A11D1E #60A11D #1DA1A0 #5E1DA1

square

#A11D1E #60A11D #1DA1A0 #5E1DA1

split-complementary

#A11D1E #1DA15E #1D60A1

monochromatic

#390A0B #6D1414 #A11D1E #D52628 #E15859

Accessibility & contrast

On white

7.75

#A11D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#A11D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11D1E

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11D1E	#FFFFFF	#000000	##FFFFFF
##A11D1E	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#48401C

Deuteranopia (green-blind)

#685D18

Tritanopia (blue-blind)

#B20020

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11d1e;
/* rgb */ color: rgb(161, 29, 30);
/* oklch */ color: oklch(46.1% 0.167 26.6);

Tailwind

colors: {
  custom: {
    50: '#c6675b',
    500: '#a11d1e',
    950: '#000000',
  },
}

SCSS

$custom: #a11d1e;
$custom-light: #c6675b;
$custom-dark: #000000;

JSON

{
  "hex": "#a11d1e",
  "rgb": {
    "r": 161,
    "g": 29,
    "b": 30
  },
  "hsl": {
    "h": 359.545,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46074,
    "c": 0.16733,
    "h": 26.6
  },
  "luminance": 0.0855
}

Semantic roles & 50–950 ramp

primary

#A11D1E

secondary

#55C4C4

accent

#ECEB3C

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11D1E

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

Preview Lab → · Contrast checker → · Palette generator →