#A3404E#A3404E

#A3404E is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.0% C 0.131 H 14.5°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#A3404E
RGB	rgb(163, 64, 78)
HSL	hsl(352, 44%, 45%)
HSV	hsv(352, 61%, 64%)
CMYK	cmyk(0%, 60.7%, 52.1%, 36.1%)
CIE-LAB	lab(41.23, 42.13, 12.99)
CIE-LCH	lch(41.23, 44.09, 17.13°)
OKLab	oklab(50.97% 0.127 0.0328)
OKLCH	oklch(50.97% 0.131 14.5)
XYZ	xyz(18.3143, 12.0056, 8.5591)
Luminance	0.1200 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3404E #40A395

analogous

#A34080 #A3404E #A36440

triadic

#A3404E #4EA340 #404EA3

tetradic

#A3404E #80A340 #40A395 #6440A3

square

#A3404E #80A340 #40A395 #6440A3

split-complementary

#A3404E #40A364 #4080A3

monochromatic

#4B1D24 #772F39 #A3404E #C0606D #D28C96

Accessibility & contrast

On white

6.18

#A3404E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#A3404E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3404E

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3404E	#FFFFFF	#000000	##FFFFFF
##A3404E	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#56554E

Deuteranopia (green-blind)

#70694C

Tritanopia (blue-blind)

#B13145

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #a3404e;
/* rgb */ color: rgb(163, 64, 78);
/* oklch */ color: oklch(51.0% 0.131 14.5);

Tailwind

colors: {
  custom: {
    50: '#c3797f',
    500: '#a3404e',
    950: '#000000',
  },
}

SCSS

$custom: #a3404e;
$custom-light: #c3797f;
$custom-dark: #000000;

JSON

{
  "hex": "#a3404e",
  "rgb": {
    "r": 163,
    "g": 64,
    "b": 78
  },
  "hsl": {
    "h": 351.515,
    "s": 43.612,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50969,
    "c": 0.13118,
    "h": 14.5
  },
  "luminance": 0.12003
}

Semantic roles & 50–950 ramp

primary

#A3404E

secondary

#82BDB4

accent

#D3C154

background

#FCF7F7

surface

#F8EEEE

border

#D1C9C9

text

#13090A

muted

#827B7C

Preview Lab

Preview with #A3404E

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

Preview Lab → · Contrast checker → · Palette generator →