#A4374A#A4374A

#A4374A is a mid, vivid red. Relative luminance 0.111; OKLCH L 49.9% C 0.143 H 13.7°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#A4374A
RGB	rgb(164, 55, 74)
HSL	hsl(350, 50%, 43%)
HSV	hsv(350, 66%, 64%)
CMYK	cmyk(0%, 66.5%, 54.9%, 35.7%)
CIE-LAB	lab(39.78, 46.22, 13.54)
CIE-LCH	lch(39.78, 48.16, 16.33°)
OKLab	oklab(49.9% 0.1394 0.034)
OKLCH	oklch(49.9% 0.143 13.7)
XYZ	xyz(17.9136, 11.1217, 7.6806)
Luminance	0.1112 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4374A #37A491

analogous

#A43781 #A4374A #A45A37

triadic

#A4374A #4AA437 #374AA4

tetradic

#A4374A #81A437 #37A491 #5A37A4

square

#A4374A #81A437 #37A491 #5A37A4

split-complementary

#A4374A #37A45A #3781A4

monochromatic

#481821 #762835 #A4374A #C55367 #D5818F

Accessibility & contrast

On white

6.51

#A4374A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.22

#A4374A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4374A

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4374A	#FFFFFF	#000000	##FFFFFF
##A4374A	1.00	6.51	3.22	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.22	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51504A

Deuteranopia (green-blind)

#6D6647

Tritanopia (blue-blind)

#B3233F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #a4374a;
/* rgb */ color: rgb(164, 55, 74);
/* oklch */ color: oklch(49.9% 0.143 13.7);

Tailwind

colors: {
  custom: {
    50: '#c4747c',
    500: '#a4374a',
    950: '#000000',
  },
}

SCSS

$custom: #a4374a;
$custom-light: #c4747c;
$custom-dark: #000000;

JSON

{
  "hex": "#a4374a",
  "rgb": {
    "r": 164,
    "g": 55,
    "b": 74
  },
  "hsl": {
    "h": 349.541,
    "s": 49.772,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49895,
    "c": 0.14344,
    "h": 13.7
  },
  "luminance": 0.11119
}

Semantic roles & 50–950 ramp

primary

#A4374A

secondary

#79BEB2

accent

#D9C14F

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#140909

muted

#827B7B

Preview Lab

Preview with #A4374A

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

Preview Lab → · Contrast checker → · Palette generator →