#A1243C#A1243C

#A1243C is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.1% C 0.160 H 15.6°. Best body text is #FFFFFF at 7.41:1 contrast (WCAG AA passes).

Color values

HEX	#A1243C
RGB	rgb(161, 36, 60)
HSL	hsl(348, 63%, 39%)
HSV	hsv(348, 78%, 63%)
CMYK	cmyk(0%, 77.6%, 62.7%, 36.9%)
CIE-LAB	lab(36.30, 51.46, 17.65)
CIE-LCH	lch(36.30, 54.41, 18.93°)
OKLab	oklab(47.11% 0.1541 0.0429)
OKLCH	oklch(47.11% 0.16 15.6)
XYZ	xyz(16.1461, 9.1675, 5.1934)
Luminance	0.0916 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1243C #24A189

analogous

#A1247A #A1243C #A14A24

triadic

#A1243C #3CA124 #243CA1

tetradic

#A1243C #7AA124 #24A189 #4A24A1

square

#A1243C #7AA124 #24A189 #4A24A1

split-complementary

#A1243C #24A14A #247AA1

monochromatic

#3D0E17 #6F1929 #A1243C #D13150 #DC637A

Accessibility & contrast

On white

7.41

#A1243C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#A1243C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1243C

7.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1243C	#FFFFFF	#000000	##FFFFFF
##A1243C	1.00	7.41	2.83	7.41
#FFFFFF	7.41	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453C

Deuteranopia (green-blind)

#675F39

Tritanopia (blue-blind)

#B1002E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #a1243c;
/* rgb */ color: rgb(161, 36, 60);
/* oklch */ color: oklch(47.1% 0.160 15.6);

Tailwind

colors: {
  custom: {
    50: '#c46b71',
    500: '#a1243c',
    950: '#000000',
  },
}

SCSS

$custom: #a1243c;
$custom-light: #c46b71;
$custom-dark: #000000;

JSON

{
  "hex": "#a1243c",
  "rgb": {
    "r": 161,
    "g": 36,
    "b": 60
  },
  "hsl": {
    "h": 348.48,
    "s": 63.452,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47107,
    "c": 0.15998,
    "h": 15.6
  },
  "luminance": 0.09165
}

Semantic roles & 50–950 ramp

primary

#A1243C

secondary

#5FC2AF

accent

#E6C741

background

#FCF6F6

surface

#F9ECEC

border

#D2C7C7

text

#140707

muted

#827A7A

Preview Lab

Preview with #A1243C

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

Preview Lab → · Contrast checker → · Palette generator →