#A3313E#A3313E

#A3313E is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.8% C 0.149 H 18.3°. Best body text is #FFFFFF at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#A3313E
RGB	rgb(163, 49, 62)
HSL	hsl(353, 54%, 42%)
HSV	hsv(353, 70%, 64%)
CMYK	cmyk(0%, 69.9%, 62%, 36.1%)
CIE-LAB	lab(38.43, 47.49, 19.25)
CIE-LCH	lch(38.43, 51.24, 22.06°)
OKLab	oklab(48.77% 0.1415 0.0467)
OKLCH	oklch(48.77% 0.149 18.3)
XYZ	xyz(17.0738, 10.3334, 5.6520)
Luminance	0.1033 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3313E #31A396

analogous

#A33177 #A3313E #A35D31

triadic

#A3313E #3EA331 #313EA3

tetradic

#A3313E #77A331 #31A396 #5D31A3

square

#A3313E #77A331 #31A396 #5D31A3

split-complementary

#A3313E #31A35D #3177A3

monochromatic

#45151A #74232C #A3313E #C84957 #D67883

Accessibility & contrast

On white

6.85

#A3313E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A3313E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A3313E

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3313E	#FFFFFF	#000000	##FFFFFF
##A3313E	1.00	6.85	3.07	6.85
#FFFFFF	6.85	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4B3E

Deuteranopia (green-blind)

#6C633B

Tritanopia (blue-blind)

#B31437

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #a3313e;
/* rgb */ color: rgb(163, 49, 62);
/* oklch */ color: oklch(48.8% 0.149 18.3);

Tailwind

colors: {
  custom: {
    50: '#c57173',
    500: '#a3313e',
    950: '#000000',
  },
}

SCSS

$custom: #a3313e;
$custom-light: #c57173;
$custom-dark: #000000;

JSON

{
  "hex": "#a3313e",
  "rgb": {
    "r": 163,
    "g": 49,
    "b": 62
  },
  "hsl": {
    "h": 353.158,
    "s": 53.774,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48772,
    "c": 0.14903,
    "h": 18.3
  },
  "luminance": 0.10331
}

Semantic roles & 50–950 ramp

primary

#A3313E

secondary

#71BFB6

accent

#DDCC4B

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140808

muted

#827B7B

Preview Lab

Preview with #A3313E

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

Preview Lab → · Contrast checker → · Palette generator →