#A3383F#A3383F

#A3383F is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.6% C 0.141 H 20.2°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#A3383F
RGB	rgb(163, 56, 63)
HSL	hsl(356, 49%, 43%)
HSV	hsv(356, 66%, 64%)
CMYK	cmyk(0%, 65.6%, 61.3%, 36.1%)
CIE-LAB	lab(39.54, 44.60, 20.06)
CIE-LCH	lch(39.54, 48.91, 24.22°)
OKLab	oklab(49.61% 0.1325 0.0487)
OKLCH	oklch(49.61% 0.141 20.2)
XYZ	xyz(17.4173, 10.9761, 5.9031)
Luminance	0.1097 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3383F #38A39C

analogous

#A33874 #A3383F #A36738

triadic

#A3383F #3FA338 #383FA3

tetradic

#A3383F #74A338 #38A39C #6738A3

square

#A3383F #74A338 #38A39C #6738A3

split-complementary

#A3383F #38A367 #3874A3

monochromatic

#48191C #75282D #A3383F #C4545B #D48287

Accessibility & contrast

On white

6.57

#A3383F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#A3383F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3383F

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3383F	#FFFFFF	#000000	##FFFFFF
##A3383F	1.00	6.57	3.19	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534F3F

Deuteranopia (green-blind)

#6E663C

Tritanopia (blue-blind)

#B2213B

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a3383f;
/* rgb */ color: rgb(163, 56, 63);
/* oklch */ color: oklch(49.6% 0.141 20.2);

Tailwind

colors: {
  custom: {
    50: '#c47474',
    500: '#a3383f',
    950: '#000000',
  },
}

SCSS

$custom: #a3383f;
$custom-light: #c47474;
$custom-dark: #000000;

JSON

{
  "hex": "#a3383f",
  "rgb": {
    "r": 163,
    "g": 56,
    "b": 63
  },
  "hsl": {
    "h": 356.075,
    "s": 48.858,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49605,
    "c": 0.14117,
    "h": 20.2
  },
  "luminance": 0.10974
}

Semantic roles & 50–950 ramp

primary

#A3383F

secondary

#79BDB9

accent

#D8CF4F

background

#FCF7F7

surface

#F9EDED

border

#D2C8C8

text

#140908

muted

#827B7B

Preview Lab

Preview with #A3383F

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

Preview Lab → · Contrast checker → · Palette generator →