#A11D33#A11D33

#A11D33 is a mid, vivid red. Relative luminance 0.087; OKLCH L 46.4% C 0.166 H 18.4°. Best body text is #FFFFFF at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#A11D33
RGB	rgb(161, 29, 51)
HSL	hsl(350, 69%, 37%)
HSV	hsv(350, 82%, 63%)
CMYK	cmyk(0%, 82%, 68.3%, 36.9%)
CIE-LAB	lab(35.39, 53.02, 22.23)
CIE-LCH	lch(35.39, 57.50, 22.74°)
OKLab	oklab(46.38% 0.1572 0.0524)
OKLCH	oklch(46.38% 0.166 18.4)
XYZ	xyz(15.7366, 8.6973, 3.9815)
Luminance	0.0869 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11D33 #1DA18B

analogous

#A11D75 #A11D33 #A1491D

triadic

#A11D33 #33A11D #1D33A1

tetradic

#A11D33 #75A11D #1DA18B #491DA1

square

#A11D33 #75A11D #1DA18B #491DA1

split-complementary

#A11D33 #1DA149 #1D75A1

monochromatic

#390A12 #6D1423 #A11D33 #D52643 #E1586E

Accessibility & contrast

On white

7.67

#A11D33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.74

#A11D33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11D33

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11D33	#FFFFFF	#000000	##FFFFFF
##A11D33	1.00	7.67	2.74	7.67
#FFFFFF	7.67	1.00	21.00	1.00
#000000	2.74	21.00	1.00	21.00
##FFFFFF	7.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#464233

Deuteranopia (green-blind)

#665D2F

Tritanopia (blue-blind)

#B10027

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11d33;
/* rgb */ color: rgb(161, 29, 51);
/* oklch */ color: oklch(46.4% 0.166 18.4);

Tailwind

colors: {
  custom: {
    50: '#c5686a',
    500: '#a11d33',
    950: '#000000',
  },
}

SCSS

$custom: #a11d33;
$custom-light: #c5686a;
$custom-dark: #000000;

JSON

{
  "hex": "#a11d33",
  "rgb": {
    "r": 161,
    "g": 29,
    "b": 51
  },
  "hsl": {
    "h": 350,
    "s": 69.474,
    "l": 37.255
  },
  "oklch": {
    "l": 0.46379,
    "c": 0.16572,
    "h": 18.4
  },
  "luminance": 0.08695
}

Semantic roles & 50–950 ramp

primary

#A11D33

secondary

#55C4B2

accent

#ECCF3C

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140706

muted

#837A7A

Preview Lab

Preview with #A11D33

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

Preview Lab → · Contrast checker → · Palette generator →