#A1172E#A1172E

#A1172E is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.170 H 19.6°. Best body text is #FFFFFF at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#A1172E
RGB	rgb(161, 23, 46)
HSL	hsl(350, 75%, 36%)
HSV	hsv(350, 86%, 63%)
CMYK	cmyk(0%, 85.7%, 71.4%, 36.9%)
CIE-LAB	lab(34.78, 54.28, 24.65)
CIE-LCH	lch(34.78, 59.62, 24.42°)
OKLab	oklab(45.9% 0.1601 0.057)
OKLCH	oklch(45.9% 0.17 19.6)
XYZ	xyz(15.4993, 8.3896, 3.3875)
Luminance	0.0839 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1172E #17A18A

analogous

#A11773 #A1172E #A14517

triadic

#A1172E #2EA117 #172EA1

tetradic

#A1172E #73A117 #17A18A #4517A1

square

#A1172E #73A117 #17A18A #4517A1

split-complementary

#A1172E #17A145 #1773A1

monochromatic

#36080F #6B0F1F #A1172E #D71F3D #E64D66

Accessibility & contrast

On white

7.84

#A1172E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#A1172E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1172E

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1172E	#FFFFFF	#000000	##FFFFFF
##A1172E	1.00	7.84	2.68	7.84
#FFFFFF	7.84	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443F2E

Deuteranopia (green-blind)

#665C29

Tritanopia (blue-blind)

#B10022

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a1172e;
/* rgb */ color: rgb(161, 23, 46);
/* oklch */ color: oklch(45.9% 0.170 19.6);

Tailwind

colors: {
  custom: {
    50: '#c56666',
    500: '#a1172e',
    950: '#000000',
  },
}

SCSS

$custom: #a1172e;
$custom-light: #c56666;
$custom-dark: #000000;

JSON

{
  "hex": "#a1172e",
  "rgb": {
    "r": 161,
    "g": 23,
    "b": 46
  },
  "hsl": {
    "h": 350,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45899,
    "c": 0.16996,
    "h": 19.6
  },
  "luminance": 0.08387
}

Semantic roles & 50–950 ramp

primary

#A1172E

secondary

#4CC7B3

accent

#F2D236

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140706

muted

#837A7A

Preview Lab

Preview with #A1172E

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

Preview Lab → · Contrast checker → · Palette generator →