#A11A1F#A11A1F

#A11A1F is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.169 H 25.7°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#A11A1F
RGB	rgb(161, 26, 31)
HSL	hsl(358, 72%, 37%)
HSV	hsv(358, 84%, 63%)
CMYK	cmyk(0%, 83.9%, 80.7%, 36.9%)
CIE-LAB	lab(34.84, 52.96, 33.89)
CIE-LCH	lch(34.84, 62.88, 32.62°)
OKLab	oklab(45.88% 0.1525 0.0734)
OKLCH	oklch(45.88% 0.169 25.7)
XYZ	xyz(15.3166, 8.4173, 2.1143)
Luminance	0.0842 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A11A1F #1AA19C

analogous

#A11A63 #A11A1F #A1591A

triadic

#A11A1F #1FA11A #1A1FA1

tetradic

#A11A1F #63A11A #1AA19C #591AA1

square

#A11A1F #63A11A #1AA19C #591AA1

split-complementary

#A11A1F #1AA159 #1A63A1

monochromatic

#38090B #6C1115 #A11A1F #D62329 #E35258

Accessibility & contrast

On white

7.83

#A11A1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A11A1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A11A1F

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A11A1F	#FFFFFF	#000000	##FFFFFF
##A11A1F	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#473F1D

Deuteranopia (green-blind)

#675C19

Tritanopia (blue-blind)

#B2001E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a11a1f;
/* rgb */ color: rgb(161, 26, 31);
/* oklch */ color: oklch(45.9% 0.169 25.7);

Tailwind

colors: {
  custom: {
    50: '#c6665b',
    500: '#a11a1f',
    950: '#000000',
  },
}

SCSS

$custom: #a11a1f;
$custom-light: #c6665b;
$custom-dark: #000000;

JSON

{
  "hex": "#a11a1f",
  "rgb": {
    "r": 161,
    "g": 26,
    "b": 31
  },
  "hsl": {
    "h": 357.778,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.45878,
    "c": 0.1692,
    "h": 25.7
  },
  "luminance": 0.08415
}

Semantic roles & 50–950 ramp

primary

#A11A1F

secondary

#51C6C1

accent

#EFE839

background

#FDF6F5

surface

#FAEBE9

border

#D3C6C5

text

#150704

muted

#837A79

Preview Lab

Preview with #A11A1F

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

Preview Lab → · Contrast checker → · Palette generator →