#A11B30#A11B30

#A11B30 is a mid, vivid red. Relative luminance 0.086; OKLCH L 46.2% C 0.167 H 19.4°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#A11B30
RGB	rgb(161, 27, 48)
HSL	hsl(351, 71%, 37%)
HSV	hsv(351, 83%, 63%)
CMYK	cmyk(0%, 83.2%, 70.2%, 36.9%)
CIE-LAB	lab(35.16, 53.40, 23.84)
CIE-LCH	lch(35.16, 58.48, 24.06°)
OKLab	oklab(46.19% 0.1578 0.0555)
OKLCH	oklch(46.19% 0.167 19.4)
XYZ	xyz(15.6252, 8.5768, 3.6285)
Luminance	0.0857 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11B30 #1BA18C

analogous

#A11B73 #A11B30 #A1491B

triadic

#A11B30 #30A11B #1B30A1

tetradic

#A11B30 #73A11B #1BA18C #491BA1

square

#A11B30 #73A11B #1BA18C #491BA1

split-complementary

#A11B30 #1BA149 #1B73A1

monochromatic

#380911 #6D1220 #A11B30 #D52440 #E2546A

Accessibility & contrast

On white

7.74

#A11B30 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#A11B30 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11B30

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11B30	#FFFFFF	#000000	##FFFFFF
##A11B30	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#454130

Deuteranopia (green-blind)

#665D2C

Tritanopia (blue-blind)

#B10025

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #a11b30;
/* rgb */ color: rgb(161, 27, 48);
/* oklch */ color: oklch(46.2% 0.167 19.4);

Tailwind

colors: {
  custom: {
    50: '#c56768',
    500: '#a11b30',
    950: '#000000',
  },
}

SCSS

$custom: #a11b30;
$custom-light: #c56768;
$custom-dark: #000000;

JSON

{
  "hex": "#a11b30",
  "rgb": {
    "r": 161,
    "g": 27,
    "b": 48
  },
  "hsl": {
    "h": 350.597,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.46187,
    "c": 0.16724,
    "h": 19.4
  },
  "luminance": 0.08574
}

Semantic roles & 50–950 ramp

primary

#A11B30

secondary

#52C5B3

accent

#EED23A

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140706

muted

#837A7A

Preview Lab

Preview with #A11B30

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

Preview Lab → · Contrast checker → · Palette generator →