#A7313D#A7313D

#A7313D is a mid, vivid red. Relative luminance 0.107; OKLCH L 49.4% C 0.153 H 19.2°. Best body text is #FFFFFF at 6.67:1 contrast (WCAG AA passes).

Color values

HEX	#A7313D
RGB	rgb(167, 49, 61)
HSL	hsl(354, 55%, 42%)
HSV	hsv(354, 71%, 65%)
CMYK	cmyk(0%, 70.7%, 63.5%, 34.5%)
CIE-LAB	lab(39.16, 48.73, 20.96)
CIE-LCH	lch(39.16, 53.05, 23.27°)
OKLab	oklab(49.44% 0.1448 0.0504)
OKLCH	oklch(49.44% 0.153 19.2)
XYZ	xyz(17.8788, 10.7516, 5.5478)
Luminance	0.1075 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A7313D #31A79B

analogous

#A73178 #A7313D #A76031

triadic

#A7313D #3DA731 #313DA7

tetradic

#A7313D #78A731 #31A79B #6031A7

square

#A7313D #78A731 #31A79B #6031A7

split-complementary

#A7313D #31A760 #3178A7

monochromatic

#48151A #78232C #A7313D #CA4B58 #D87A84

Accessibility & contrast

On white

6.67

#A7313D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.15

#A7313D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A7313D

6.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A7313D	#FFFFFF	#000000	##FFFFFF
##A7313D	1.00	6.67	3.15	6.67
#FFFFFF	6.67	1.00	21.00	1.00
#000000	3.15	21.00	1.00	21.00
##FFFFFF	6.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C3D

Deuteranopia (green-blind)

#6F653A

Tritanopia (blue-blind)

#B71036

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a7313d;
/* rgb */ color: rgb(167, 49, 61);
/* oklch */ color: oklch(49.4% 0.153 19.2);

Tailwind

colors: {
  custom: {
    50: '#c87172',
    500: '#a7313d',
    950: '#000000',
  },
}

SCSS

$custom: #a7313d;
$custom-light: #c87172;
$custom-dark: #000000;

JSON

{
  "hex": "#a7313d",
  "rgb": {
    "r": 167,
    "g": 49,
    "b": 61
  },
  "hsl": {
    "h": 353.898,
    "s": 54.63,
    "l": 42.353
  },
  "oklch": {
    "l": 0.49444,
    "c": 0.15331,
    "h": 19.2
  },
  "luminance": 0.10749
}

Semantic roles & 50–950 ramp

primary

#A7313D

secondary

#73C1B9

accent

#DECF4A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140808

muted

#837B7B

Preview Lab

Preview with #A7313D

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

Preview Lab → · Contrast checker → · Palette generator →