#A11B1E#A11B1E

#A11B1E is a mid, vivid red. Relative luminance 0.085; OKLCH L 45.9% C 0.169 H 26.2°. Best body text is #FFFFFF at 7.80:1 contrast (WCAG AA passes).

Color values

HEX	#A11B1E
RGB	rgb(161, 27, 30)
HSL	hsl(359, 71%, 37%)
HSV	hsv(359, 83%, 63%)
CMYK	cmyk(0%, 83.2%, 81.4%, 36.9%)
CIE-LAB	lab(34.92, 52.67, 34.55)
CIE-LCH	lch(34.92, 63.00, 33.26°)
OKLab	oklab(45.93% 0.1513 0.0745)
OKLCH	oklch(45.93% 0.169 26.2)
XYZ	xyz(15.3261, 8.4572, 2.0535)
Luminance	0.0846 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11B1E #1BA19E

analogous

#A11B61 #A11B1E #A15B1B

triadic

#A11B1E #1EA11B #1B1EA1

tetradic

#A11B1E #61A11B #1BA19E #5B1BA1

square

#A11B1E #61A11B #1BA19E #5B1BA1

split-complementary

#A11B1E #1BA15B #1B61A1

monochromatic

#38090A #6D1214 #A11B1E #D52428 #E25457

Accessibility & contrast

On white

7.80

#A11B1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#A11B1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11B1E

7.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11B1E	#FFFFFF	#000000	##FFFFFF
##A11B1E	1.00	7.80	2.69	7.80
#FFFFFF	7.80	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47401C

Deuteranopia (green-blind)

#685C17

Tritanopia (blue-blind)

#B2001E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11b1e;
/* rgb */ color: rgb(161, 27, 30);
/* oklch */ color: oklch(45.9% 0.169 26.2);

Tailwind

colors: {
  custom: {
    50: '#c6675a',
    500: '#a11b1e',
    950: '#000000',
  },
}

SCSS

$custom: #a11b1e;
$custom-light: #c6675a;
$custom-dark: #000000;

JSON

{
  "hex": "#a11b1e",
  "rgb": {
    "r": 161,
    "g": 27,
    "b": 30
  },
  "hsl": {
    "h": 358.657,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.45934,
    "c": 0.16867,
    "h": 26.2
  },
  "luminance": 0.08455
}

Semantic roles & 50–950 ramp

primary

#A11B1E

secondary

#52C5C3

accent

#EEEA3A

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11B1E

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

Preview Lab → · Contrast checker → · Palette generator →