#A1172C#A1172C

#A1172C is a mid, vivid red. Relative luminance 0.084; OKLCH L 45.9% C 0.170 H 20.4°. Best body text is #FFFFFF at 7.85:1 contrast (WCAG AA passes).

Color values

HEX	#A1172C
RGB	rgb(161, 23, 44)
HSL	hsl(351, 75%, 36%)
HSV	hsv(351, 86%, 63%)
CMYK	cmyk(0%, 85.7%, 72.7%, 36.9%)
CIE-LAB	lab(34.75, 54.19, 25.88)
CIE-LCH	lch(34.75, 60.05, 25.53°)
OKLab	oklab(45.87% 0.1594 0.0593)
OKLCH	oklch(45.87% 0.17 20.4)
XYZ	xyz(15.4608, 8.3742, 3.1847)
Luminance	0.0837 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1172C #17A18C

analogous

#A11771 #A1172C #A14717

triadic

#A1172C #2CA117 #172CA1

tetradic

#A1172C #71A117 #17A18C #4717A1

square

#A1172C #71A117 #17A18C #4717A1

split-complementary

#A1172C #17A147 #1771A1

monochromatic

#36080F #6B0F1D #A1172C #D71F3B #E64D64

Accessibility & contrast

On white

7.85

#A1172C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#A1172C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1172C

7.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1172C	#FFFFFF	#000000	##FFFFFF
##A1172C	1.00	7.85	2.67	7.85
#FFFFFF	7.85	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#443F2C

Deuteranopia (green-blind)

#665C27

Tritanopia (blue-blind)

#B10021

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #a1172c;
/* rgb */ color: rgb(161, 23, 44);
/* oklch */ color: oklch(45.9% 0.170 20.4);

Tailwind

colors: {
  custom: {
    50: '#c56665',
    500: '#a1172c',
    950: '#000000',
  },
}

SCSS

$custom: #a1172c;
$custom-light: #c56665;
$custom-dark: #000000;

JSON

{
  "hex": "#a1172c",
  "rgb": {
    "r": 161,
    "g": 23,
    "b": 44
  },
  "hsl": {
    "h": 350.87,
    "s": 75,
    "l": 36.078
  },
  "oklch": {
    "l": 0.45866,
    "c": 0.17003,
    "h": 20.4
  },
  "luminance": 0.08372
}

Semantic roles & 50–950 ramp

primary

#A1172C

secondary

#4CC7B5

accent

#F2D536

background

#FDF6F6

surface

#FAEBEB

border

#D3C6C6

text

#140705

muted

#837A7A

Preview Lab

Preview with #A1172C

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

Preview Lab → · Contrast checker → · Palette generator →