#A11B33#A11B33

#A11B33 is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.2% C 0.167 H 18.1°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#A11B33
RGB	rgb(161, 27, 51)
HSL	hsl(349, 71%, 37%)
HSV	hsv(349, 83%, 63%)
CMYK	cmyk(0%, 83.2%, 68.3%, 36.9%)
CIE-LAB	lab(35.21, 53.56, 21.99)
CIE-LCH	lch(35.21, 57.90, 22.33°)
OKLab	oklab(46.24% 0.1589 0.0518)
OKLCH	oklch(46.24% 0.167 18.1)
XYZ	xyz(15.6892, 8.6024, 3.9657)
Luminance	0.0860 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11B33 #1BA189

analogous

#A11B76 #A11B33 #A1461B

triadic

#A11B33 #33A11B #1B33A1

tetradic

#A11B33 #76A11B #1BA189 #461BA1

square

#A11B33 #76A11B #1BA189 #461BA1

split-complementary

#A11B33 #1BA146 #1B76A1

monochromatic

#380912 #6D1222 #A11B33 #D52444 #E2546E

Accessibility & contrast

On white

7.72

#A11B33 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#A11B33 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11B33

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11B33	#FFFFFF	#000000	##FFFFFF
##A11B33	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454133

Deuteranopia (green-blind)

#665D2F

Tritanopia (blue-blind)

#B10026

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11b33;
/* rgb */ color: rgb(161, 27, 51);
/* oklch */ color: oklch(46.2% 0.167 18.1);

Tailwind

colors: {
  custom: {
    50: '#c5676a',
    500: '#a11b33',
    950: '#000000',
  },
}

SCSS

$custom: #a11b33;
$custom-light: #c5676a;
$custom-dark: #000000;

JSON

{
  "hex": "#a11b33",
  "rgb": {
    "r": 161,
    "g": 27,
    "b": 51
  },
  "hsl": {
    "h": 349.254,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46241,
    "c": 0.16718,
    "h": 18.1
  },
  "luminance": 0.086
}

Semantic roles & 50–950 ramp

primary

#A11B33

secondary

#52C5B1

accent

#EECE3A

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140706

muted

#837A7A

Preview Lab

Preview with #A11B33

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

Preview Lab → · Contrast checker → · Palette generator →