#A1243F#A1243F

#A1243F is a mid, vivid red. Relative luminance 0.092; OKLCH L 47.2% C 0.160 H 14.0°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#A1243F
RGB	rgb(161, 36, 63)
HSL	hsl(347, 63%, 39%)
HSV	hsv(347, 78%, 63%)
CMYK	cmyk(0%, 77.6%, 60.9%, 36.9%)
CIE-LAB	lab(36.37, 51.66, 15.81)
CIE-LCH	lch(36.37, 54.03, 17.01°)
OKLab	oklab(47.17% 0.1553 0.0388)
OKLCH	oklch(47.17% 0.16 14)
XYZ	xyz(16.2277, 9.2001, 5.6230)
Luminance	0.0920 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1243F #24A186

analogous

#A1247D #A1243F #A14724

triadic

#A1243F #3FA124 #243FA1

tetradic

#A1243F #7DA124 #24A186 #4724A1

square

#A1243F #7DA124 #24A186 #4724A1

split-complementary

#A1243F #24A147 #247DA1

monochromatic

#3D0E18 #6F192B #A1243F #D13154 #DC637D

Accessibility & contrast

On white

7.40

#A1243F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#A1243F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A1243F

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1243F	#FFFFFF	#000000	##FFFFFF
##A1243F	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#47453F

Deuteranopia (green-blind)

#675F3C

Tritanopia (blue-blind)

#B10030

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a1243f;
/* rgb */ color: rgb(161, 36, 63);
/* oklch */ color: oklch(47.2% 0.160 14.0);

Tailwind

colors: {
  custom: {
    50: '#c46b73',
    500: '#a1243f',
    950: '#000000',
  },
}

SCSS

$custom: #a1243f;
$custom-light: #c46b73;
$custom-dark: #000000;

JSON

{
  "hex": "#a1243f",
  "rgb": {
    "r": 161,
    "g": 36,
    "b": 63
  },
  "hsl": {
    "h": 347.04,
    "s": 63.452,
    "l": 38.627
  },
  "oklch": {
    "l": 0.47173,
    "c": 0.16011,
    "h": 14
  },
  "luminance": 0.09198
}

Semantic roles & 50–950 ramp

primary

#A1243F

secondary

#5FC2AC

accent

#E6C341

background

#FCF6F6

surface

#F9ECEC

border

#D2C7C7

text

#140708

muted

#827A7B

Preview Lab

Preview with #A1243F

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

Preview Lab → · Contrast checker → · Palette generator →