#A6313B#A6313B

#A6313B is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.2% C 0.152 H 20.1°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#A6313B
RGB	rgb(166, 49, 59)
HSL	hsl(355, 54%, 42%)
HSV	hsv(355, 70%, 65%)
CMYK	cmyk(0%, 70.5%, 64.5%, 34.9%)
CIE-LAB	lab(38.94, 48.28, 21.88)
CIE-LCH	lch(38.94, 53.00, 24.38°)
OKLab	oklab(49.23% 0.1431 0.0524)
OKLCH	oklch(49.23% 0.152 20.1)
XYZ	xyz(17.6154, 10.6219, 5.2595)
Luminance	0.1062 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6313B #31A69C

analogous

#A63176 #A6313B #A66231

triadic

#A6313B #3BA631 #313BA6

tetradic

#A6313B #76A631 #31A69C #6231A6

square

#A6313B #76A631 #31A69C #6231A6

split-complementary

#A6313B #31A662 #3176A6

monochromatic

#471519 #77232A #A6313B #CA4A55 #D87A82

Accessibility & contrast

On white

6.72

#A6313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#A6313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A6313B

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6313B	#FFFFFF	#000000	##FFFFFF
##A6313B	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514C3B

Deuteranopia (green-blind)

#6E6538

Tritanopia (blue-blind)

#B61036

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a6313b;
/* rgb */ color: rgb(166, 49, 59);
/* oklch */ color: oklch(49.2% 0.152 20.1);

Tailwind

colors: {
  custom: {
    50: '#c77170',
    500: '#a6313b',
    950: '#000000',
  },
}

SCSS

$custom: #a6313b;
$custom-light: #c77170;
$custom-dark: #000000;

JSON

{
  "hex": "#a6313b",
  "rgb": {
    "r": 166,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 354.872,
    "s": 54.419,
    "l": 42.157
  },
  "oklch": {
    "l": 0.49231,
    "c": 0.15234,
    "h": 20.1
  },
  "luminance": 0.10619
}

Semantic roles & 50–950 ramp

primary

#A6313B

secondary

#73C0B9

accent

#DED14A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A6313B

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

Preview Lab → · Contrast checker → · Palette generator →