#A7243F#A7243F

#A7243F is a mid, vivid red. Relative luminance 0.098; OKLCH L 48.3% C 0.166 H 15.0°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#A7243F
RGB	rgb(167, 36, 63)
HSL	hsl(348, 65%, 40%)
HSV	hsv(348, 78%, 65%)
CMYK	cmyk(0%, 78.4%, 62.3%, 34.5%)
CIE-LAB	lab(37.55, 53.44, 17.60)
CIE-LCH	lch(37.55, 56.26, 18.22°)
OKLab	oklab(48.26% 0.1603 0.0429)
OKLCH	oklch(48.26% 0.166 15)
XYZ	xyz(17.4663, 9.8387, 5.6810)
Luminance	0.0984 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7243F #24A78C

analogous

#A72480 #A7243F #A74B24

triadic

#A7243F #3FA724 #243FA7

tetradic

#A7243F #80A724 #24A78C #4B24A7

square

#A7243F #80A724 #24A78C #4B24A7

split-complementary

#A7243F #24A74B #2480A7

monochromatic

#420E19 #75192C #A7243F #D33555 #DE6780

Accessibility & contrast

On white

7.08

#A7243F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#A7243F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A7243F

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7243F	#FFFFFF	#000000	##FFFFFF
##A7243F	1.00	7.08	2.97	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49473F

Deuteranopia (green-blind)

#6B623B

Tritanopia (blue-blind)

#B70030

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a7243f;
/* rgb */ color: rgb(167, 36, 63);
/* oklch */ color: oklch(48.3% 0.166 15.0);

Tailwind

colors: {
  custom: {
    50: '#c86c73',
    500: '#a7243f',
    950: '#000000',
  },
}

SCSS

$custom: #a7243f;
$custom-light: #c86c73;
$custom-dark: #000000;

JSON

{
  "hex": "#a7243f",
  "rgb": {
    "r": 167,
    "g": 36,
    "b": 63
  },
  "hsl": {
    "h": 347.634,
    "s": 64.532,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48262,
    "c": 0.16589,
    "h": 15
  },
  "luminance": 0.09836
}

Semantic roles & 50–950 ramp

primary

#A7243F

secondary

#63C4B0

accent

#E8C540

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#140708

muted

#837A7B

Preview Lab

Preview with #A7243F

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

Preview Lab → · Contrast checker → · Palette generator →