#A6313A#A6313A

#A6313A is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.2% C 0.152 H 20.6°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#A6313A
RGB	rgb(166, 49, 58)
HSL	hsl(355, 54%, 42%)
HSV	hsv(355, 70%, 65%)
CMYK	cmyk(0%, 70.5%, 65.1%, 34.9%)
CIE-LAB	lab(38.92, 48.22, 22.48)
CIE-LCH	lch(38.92, 53.20, 25.00°)
OKLab	oklab(49.21% 0.1427 0.0536)
OKLCH	oklch(49.21% 0.152 20.6)
XYZ	xyz(17.5897, 10.6116, 5.1242)
Luminance	0.1061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6313A #31A69D

analogous

#A63174 #A6313A #A66331

triadic

#A6313A #3AA631 #313AA6

tetradic

#A6313A #74A631 #31A69D #6331A6

square

#A6313A #74A631 #31A69D #6331A6

split-complementary

#A6313A #31A663 #3174A6

monochromatic

#471519 #772329 #A6313A #CA4A54 #D87A81

Accessibility & contrast

On white

6.73

#A6313A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A6313A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6313A

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6313A	#FFFFFF	#000000	##FFFFFF
##A6313A	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C39

Deuteranopia (green-blind)

#6E6537

Tritanopia (blue-blind)

#B60F35

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a6313a;
/* rgb */ color: rgb(166, 49, 58);
/* oklch */ color: oklch(49.2% 0.152 20.6);

Tailwind

colors: {
  custom: {
    50: '#c77170',
    500: '#a6313a',
    950: '#000000',
  },
}

SCSS

$custom: #a6313a;
$custom-light: #c77170;
$custom-dark: #000000;

JSON

{
  "hex": "#a6313a",
  "rgb": {
    "r": 166,
    "g": 49,
    "b": 58
  },
  "hsl": {
    "h": 355.385,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49212,
    "c": 0.1524,
    "h": 20.6
  },
  "luminance": 0.10609
}

Semantic roles & 50–950 ramp

primary

#A6313A

secondary

#73C0BA

accent

#DED24A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A6313A

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

Preview Lab → · Contrast checker → · Palette generator →