#A3383D#A3383D

#A3383D is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.141 H 21.3°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#A3383D
RGB	rgb(163, 56, 61)
HSL	hsl(357, 49%, 43%)
HSV	hsv(357, 66%, 64%)
CMYK	cmyk(0%, 65.6%, 62.6%, 36.1%)
CIE-LAB	lab(39.50, 44.46, 21.26)
CIE-LCH	lch(39.50, 49.28, 25.55°)
OKLab	oklab(49.57% 0.1317 0.0512)
OKLCH	oklch(49.57% 0.141 21.3)
XYZ	xyz(17.3624, 10.9542, 5.6141)
Luminance	0.1095 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3383D #38A39E

analogous

#A33872 #A3383D #A36838

triadic

#A3383D #3DA338 #383DA3

tetradic

#A3383D #72A338 #38A39E #6838A3

square

#A3383D #72A338 #38A39E #6838A3

split-complementary

#A3383D #38A368 #3872A3

monochromatic

#48191B #75282C #A3383D #C45459 #D48285

Accessibility & contrast

On white

6.58

#A3383D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A3383D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3383D

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3383D	#FFFFFF	#000000	##FFFFFF
##A3383D	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544F3C

Deuteranopia (green-blind)

#6F653A

Tritanopia (blue-blind)

#B3213B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a3383d;
/* rgb */ color: rgb(163, 56, 61);
/* oklch */ color: oklch(49.6% 0.141 21.3);

Tailwind

colors: {
  custom: {
    50: '#c47472',
    500: '#a3383d',
    950: '#000000',
  },
}

SCSS

$custom: #a3383d;
$custom-light: #c47472;
$custom-dark: #000000;

JSON

{
  "hex": "#a3383d",
  "rgb": {
    "r": 163,
    "g": 56,
    "b": 61
  },
  "hsl": {
    "h": 357.196,
    "s": 48.858,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49565,
    "c": 0.14132,
    "h": 21.3
  },
  "luminance": 0.10952
}

Semantic roles & 50–950 ramp

primary

#A3383D

secondary

#79BDBA

accent

#D8D24F

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140908

muted

#827B7B

Preview Lab

Preview with #A3383D

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

Preview Lab → · Contrast checker → · Palette generator →