#A7243C#A7243C

#A7243C is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.2% C 0.166 H 16.4°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#A7243C
RGB	rgb(167, 36, 60)
HSL	hsl(349, 65%, 40%)
HSV	hsv(349, 78%, 65%)
CMYK	cmyk(0%, 78.4%, 64.1%, 34.5%)
CIE-LAB	lab(37.49, 53.25, 19.43)
CIE-LCH	lch(37.49, 56.69, 20.04°)
OKLab	oklab(48.2% 0.1591 0.0468)
OKLCH	oklch(48.2% 0.166 16.4)
XYZ	xyz(17.3847, 9.8061, 5.2515)
Luminance	0.0980 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7243C #24A78F

analogous

#A7247D #A7243C #A74E24

triadic

#A7243C #3CA724 #243CA7

tetradic

#A7243C #7DA724 #24A78F #4E24A7

square

#A7243C #7DA724 #24A78F #4E24A7

split-complementary

#A7243C #24A74E #247DA7

monochromatic

#420E18 #75192A #A7243C #D33552 #DE677D

Accessibility & contrast

On white

7.09

#A7243C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A7243C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7243C

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7243C	#FFFFFF	#000000	##FFFFFF
##A7243C	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4A473C

Deuteranopia (green-blind)

#6B6238

Tritanopia (blue-blind)

#B7002E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a7243c;
/* rgb */ color: rgb(167, 36, 60);
/* oklch */ color: oklch(48.2% 0.166 16.4);

Tailwind

colors: {
  custom: {
    50: '#c86c71',
    500: '#a7243c',
    950: '#000000',
  },
}

SCSS

$custom: #a7243c;
$custom-light: #c86c71;
$custom-dark: #000000;

JSON

{
  "hex": "#a7243c",
  "rgb": {
    "r": 167,
    "g": 36,
    "b": 60
  },
  "hsl": {
    "h": 349.008,
    "s": 64.532,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48199,
    "c": 0.1658,
    "h": 16.4
  },
  "luminance": 0.09803
}

Semantic roles & 50–950 ramp

primary

#A7243C

secondary

#63C4B2

accent

#E8C940

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140707

muted

#837A7A

Preview Lab

Preview with #A7243C

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

Preview Lab → · Contrast checker → · Palette generator →