#A3383C#A3383C

#A3383C is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.5% C 0.141 H 21.8°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#A3383C
RGB	rgb(163, 56, 60)
HSL	hsl(358, 49%, 43%)
HSV	hsv(358, 66%, 64%)
CMYK	cmyk(0%, 65.6%, 63.2%, 36.1%)
CIE-LAB	lab(39.49, 44.40, 21.85)
CIE-LCH	lch(39.49, 49.48, 26.21°)
OKLab	oklab(49.55% 0.1313 0.0525)
OKLCH	oklch(49.55% 0.141 21.8)
XYZ	xyz(17.3357, 10.9435, 5.4735)
Luminance	0.1094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3383C #38A39F

analogous

#A33871 #A3383C #A36938

triadic

#A3383C #3CA338 #383CA3

tetradic

#A3383C #71A338 #38A39F #6938A3

square

#A3383C #71A338 #38A39F #6938A3

split-complementary

#A3383C #38A369 #3871A3

monochromatic

#48191A #75282B #A3383C #C45458 #D48285

Accessibility & contrast

On white

6.59

#A3383C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A3383C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3383C

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3383C	#FFFFFF	#000000	##FFFFFF
##A3383C	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F3B

Deuteranopia (green-blind)

#6F6539

Tritanopia (blue-blind)

#B3203A

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a3383c;
/* rgb */ color: rgb(163, 56, 60);
/* oklch */ color: oklch(49.5% 0.141 21.8);

Tailwind

colors: {
  custom: {
    50: '#c47471',
    500: '#a3383c',
    950: '#000000',
  },
}

SCSS

$custom: #a3383c;
$custom-light: #c47471;
$custom-dark: #000000;

JSON

{
  "hex": "#a3383c",
  "rgb": {
    "r": 163,
    "g": 56,
    "b": 60
  },
  "hsl": {
    "h": 357.757,
    "s": 48.858,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49546,
    "c": 0.1414,
    "h": 21.8
  },
  "luminance": 0.10941
}

Semantic roles & 50–950 ramp

primary

#A3383C

secondary

#79BDBB

accent

#D8D34F

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140907

muted

#827B7A

Preview Lab

Preview with #A3383C

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

Preview Lab → · Contrast checker → · Palette generator →