#A7313F#A7313F

#A7313F is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.5% C 0.153 H 18.2°. Best body text is #FFFFFF at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#A7313F
RGB	rgb(167, 49, 63)
HSL	hsl(353, 55%, 42%)
HSV	hsv(353, 71%, 65%)
CMYK	cmyk(0%, 70.7%, 62.3%, 34.5%)
CIE-LAB	lab(39.20, 48.86, 19.76)
CIE-LCH	lch(39.20, 52.71, 22.01°)
OKLab	oklab(49.48% 0.1456 0.0479)
OKLCH	oklch(49.48% 0.153 18.2)
XYZ	xyz(17.9337, 10.7735, 5.8368)
Luminance	0.1077 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7313F #31A799

analogous

#A7317A #A7313F #A75E31

triadic

#A7313F #3FA731 #313FA7

tetradic

#A7313F #7AA731 #31A799 #5E31A7

square

#A7313F #7AA731 #31A799 #5E31A7

split-complementary

#A7313F #31A75E #317AA7

monochromatic

#48151B #78232D #A7313F #CA4B5A #D87A85

Accessibility & contrast

On white

6.66

#A7313F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A7313F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7313F

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7313F	#FFFFFF	#000000	##FFFFFF
##A7313F	1.00	6.66	3.15	6.66
#FFFFFF	6.66	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504D3F

Deuteranopia (green-blind)

#6E653C

Tritanopia (blue-blind)

#B71137

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a7313f;
/* rgb */ color: rgb(167, 49, 63);
/* oklch */ color: oklch(49.5% 0.153 18.2);

Tailwind

colors: {
  custom: {
    50: '#c87173',
    500: '#a7313f',
    950: '#000000',
  },
}

SCSS

$custom: #a7313f;
$custom-light: #c87173;
$custom-dark: #000000;

JSON

{
  "hex": "#a7313f",
  "rgb": {
    "r": 167,
    "g": 49,
    "b": 63
  },
  "hsl": {
    "h": 352.881,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49484,
    "c": 0.15325,
    "h": 18.2
  },
  "luminance": 0.10771
}

Semantic roles & 50–950 ramp

primary

#A7313F

secondary

#73C1B7

accent

#DECC4A

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140808

muted

#837B7B

Preview Lab

Preview with #A7313F

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

Preview Lab → · Contrast checker → · Palette generator →