#A3313D#A3313D

#A3313D is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.8% C 0.149 H 18.8°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#A3313D
RGB	rgb(163, 49, 61)
HSL	hsl(354, 54%, 42%)
HSV	hsv(354, 70%, 64%)
CMYK	cmyk(0%, 69.9%, 62.6%, 36.1%)
CIE-LAB	lab(38.42, 47.42, 19.85)
CIE-LCH	lch(38.42, 51.41, 22.71°)
OKLab	oklab(48.75% 0.1411 0.048)
OKLCH	oklch(48.75% 0.149 18.8)
XYZ	xyz(17.0466, 10.3225, 5.5088)
Luminance	0.1032 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3313D #31A397

analogous

#A33176 #A3313D #A35E31

triadic

#A3313D #3DA331 #313DA3

tetradic

#A3313D #76A331 #31A397 #5E31A3

square

#A3313D #76A331 #31A397 #5E31A3

split-complementary

#A3313D #31A35E #3176A3

monochromatic

#45151A #74232B #A3313D #C84956 #D67882

Accessibility & contrast

On white

6.85

#A3313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#A3313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3313D

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3313D	#FFFFFF	#000000	##FFFFFF
##A3313D	1.00	6.85	3.06	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3D

Deuteranopia (green-blind)

#6C633A

Tritanopia (blue-blind)

#B31436

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a3313d;
/* rgb */ color: rgb(163, 49, 61);
/* oklch */ color: oklch(48.8% 0.149 18.8);

Tailwind

colors: {
  custom: {
    50: '#c57172',
    500: '#a3313d',
    950: '#000000',
  },
}

SCSS

$custom: #a3313d;
$custom-light: #c57172;
$custom-dark: #000000;

JSON

{
  "hex": "#a3313d",
  "rgb": {
    "r": 163,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 353.684,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48752,
    "c": 0.14905,
    "h": 18.8
  },
  "luminance": 0.1032
}

Semantic roles & 50–950 ramp

primary

#A3313D

secondary

#71BFB7

accent

#DDCE4B

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140808

muted

#827B7B

Preview Lab

Preview with #A3313D

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

Preview Lab → · Contrast checker → · Palette generator →