#A11B19#A11B19

#A11B19 is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.169 H 27.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#A11B19
RGB	rgb(161, 27, 25)
HSL	hsl(1, 73%, 36%)
HSV	hsv(1, 84%, 63%)
CMYK	cmyk(0%, 83.2%, 84.5%, 36.9%)
CIE-LAB	lab(34.87, 52.53, 37.30)
CIE-LCH	lch(34.87, 64.42, 35.38°)
OKLab	oklab(45.88% 0.1499 0.0786)
OKLCH	oklch(45.88% 0.169 27.7)
XYZ	xyz(15.2673, 8.4336, 1.7435)
Luminance	0.0843 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11B19 #199FA1

analogous

#A1195B #A11B19 #A15F19

triadic

#A11B19 #19A11B #1B19A1

tetradic

#A11B19 #5BA119 #199FA1 #5F19A1

square

#A11B19 #5BA119 #199FA1 #5F19A1

split-complementary

#A11B19 #19A15F #195BA1

monochromatic

#370909 #6C1211 #A11B19 #D62421 #E45350

Accessibility & contrast

On white

7.82

#A11B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A11B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11B19

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11B19	#FFFFFF	#000000	##FFFFFF
##A11B19	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F17

Deuteranopia (green-blind)

#685C11

Tritanopia (blue-blind)

#B2001D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11b19;
/* rgb */ color: rgb(161, 27, 25);
/* oklch */ color: oklch(45.9% 0.169 27.7);

Tailwind

colors: {
  custom: {
    50: '#c76657',
    500: '#a11b19',
    950: '#000000',
  },
}

SCSS

$custom: #a11b19;
$custom-light: #c76657;
$custom-dark: #000000;

JSON

{
  "hex": "#a11b19",
  "rgb": {
    "r": 161,
    "g": 27,
    "b": 25
  },
  "hsl": {
    "h": 0.882,
    "s": 73.118,
    "l": 36.471
  },
  "oklch": {
    "l": 0.45884,
    "c": 0.16922,
    "h": 27.7
  },
  "luminance": 0.08431
}

Semantic roles & 50–950 ramp

primary

#A11B19

secondary

#4FC5C6

accent

#EDF038

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150703

muted

#837A78

Preview Lab

Preview with #A11B19

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

Preview Lab → · Contrast checker → · Palette generator →