#A3374C#A3374C

#A3374C is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.143 H 12.4°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#A3374C
RGB	rgb(163, 55, 76)
HSL	hsl(348, 50%, 43%)
HSV	hsv(348, 66%, 64%)
CMYK	cmyk(0%, 66.3%, 53.4%, 36.1%)
CIE-LAB	lab(39.65, 46.06, 12.08)
CIE-LCH	lch(39.65, 47.61, 14.69°)
OKLab	oklab(49.78% 0.1392 0.0306)
OKLCH	oklch(49.78% 0.143 12.4)
XYZ	xyz(17.7765, 11.0430, 8.0315)
Luminance	0.1104 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3374C #37A38E

analogous

#A33782 #A3374C #A35837

triadic

#A3374C #4CA337 #374CA3

tetradic

#A3374C #82A337 #37A38E #5837A3

square

#A3374C #82A337 #37A38E #5837A3

split-complementary

#A3374C #37A358 #3782A3

monochromatic

#471821 #752837 #A3374C #C55269 #D48091

Accessibility & contrast

On white

6.55

#A3374C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#A3374C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3374C

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3374C	#FFFFFF	#000000	##FFFFFF
##A3374C	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504F4C

Deuteranopia (green-blind)

#6C6649

Tritanopia (blue-blind)

#B2243F

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a3374c;
/* rgb */ color: rgb(163, 55, 76);
/* oklch */ color: oklch(49.8% 0.143 12.4);

Tailwind

colors: {
  custom: {
    50: '#c4747d',
    500: '#a3374c',
    950: '#000000',
  },
}

SCSS

$custom: #a3374c;
$custom-light: #c4747d;
$custom-dark: #000000;

JSON

{
  "hex": "#a3374c",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 76
  },
  "hsl": {
    "h": 348.333,
    "s": 49.541,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49778,
    "c": 0.14252,
    "h": 12.4
  },
  "luminance": 0.11041
}

Semantic roles & 50–950 ramp

primary

#A3374C

secondary

#78BEB0

accent

#D9BE4F

background

#FCF7F7

surface

#F9EDEE

border

#D2C8C9

text

#140909

muted

#827B7B

Preview Lab

Preview with #A3374C

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

Preview Lab → · Contrast checker → · Palette generator →