#A3374E#A3374E

#A3374E is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.8% C 0.143 H 11.2°. Best body text is #FFFFFF at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#A3374E
RGB	rgb(163, 55, 78)
HSL	hsl(347, 50%, 43%)
HSV	hsv(347, 66%, 64%)
CMYK	cmyk(0%, 66.3%, 52.1%, 36.1%)
CIE-LAB	lab(39.70, 46.23, 10.88)
CIE-LCH	lch(39.70, 47.49, 13.25°)
OKLab	oklab(49.83% 0.14 0.0277)
OKLCH	oklch(49.83% 0.143 11.2)
XYZ	xyz(17.8471, 11.0713, 8.4034)
Luminance	0.1107 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3374E #37A38C

analogous

#A33784 #A3374E #A35637

triadic

#A3374E #4EA337 #374EA3

tetradic

#A3374E #84A337 #37A38C #5637A3

square

#A3374E #84A337 #37A38C #5637A3

split-complementary

#A3374E #37A356 #3784A3

monochromatic

#471822 #752838 #A3374E #C5526B #D48092

Accessibility & contrast

On white

6.53

#A3374E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A3374E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3374E

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3374E	#FFFFFF	#000000	##FFFFFF
##A3374E	1.00	6.53	3.21	6.53
#FFFFFF	6.53	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#50504E

Deuteranopia (green-blind)

#6C664B

Tritanopia (blue-blind)

#B22540

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a3374e;
/* rgb */ color: rgb(163, 55, 78);
/* oklch */ color: oklch(49.8% 0.143 11.2);

Tailwind

colors: {
  custom: {
    50: '#c3747f',
    500: '#a3374e',
    950: '#000000',
  },
}

SCSS

$custom: #a3374e;
$custom-light: #c3747f;
$custom-dark: #000000;

JSON

{
  "hex": "#a3374e",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 78
  },
  "hsl": {
    "h": 347.222,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49829,
    "c": 0.14272,
    "h": 11.2
  },
  "luminance": 0.11069
}

Semantic roles & 50–950 ramp

primary

#A3374E

secondary

#78BEAF

accent

#D9BC4F

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#13090A

muted

#827B7C

Preview Lab

Preview with #A3374E

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

Preview Lab → · Contrast checker → · Palette generator →