#A5313B#A5313B

#A5313B is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.1% C 0.151 H 20.0°. Best body text is #FFFFFF at 6.77:1 contrast (WCAG AA passes).

Color values

HEX	#A5313B
RGB	rgb(165, 49, 59)
HSL	hsl(355, 54%, 42%)
HSV	hsv(355, 70%, 65%)
CMYK	cmyk(0%, 70.3%, 64.2%, 35.3%)
CIE-LAB	lab(38.75, 47.95, 21.60)
CIE-LCH	lch(38.75, 52.59, 24.25°)
OKLab	oklab(49.06% 0.1422 0.0518)
OKLCH	oklch(49.06% 0.151 20)
XYZ	xyz(17.4066, 10.5142, 5.2497)
Luminance	0.1051 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5313B #31A59B

analogous

#A53175 #A5313B #A56131

triadic

#A5313B #3BA531 #313BA5

tetradic

#A5313B #75A531 #31A59B #6131A5

square

#A5313B #75A531 #31A59B #6131A5

split-complementary

#A5313B #31A561 #3175A5

monochromatic

#471519 #76232A #A5313B #C94A55 #D77981

Accessibility & contrast

On white

6.77

#A5313B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A5313B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A5313B

6.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5313B	#FFFFFF	#000000	##FFFFFF
##A5313B	1.00	6.77	3.10	6.77
#FFFFFF	6.77	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504C3B

Deuteranopia (green-blind)

#6E6438

Tritanopia (blue-blind)

#B51136

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a5313b;
/* rgb */ color: rgb(165, 49, 59);
/* oklch */ color: oklch(49.1% 0.151 20.0);

Tailwind

colors: {
  custom: {
    50: '#c67170',
    500: '#a5313b',
    950: '#000000',
  },
}

SCSS

$custom: #a5313b;
$custom-light: #c67170;
$custom-dark: #000000;

JSON

{
  "hex": "#a5313b",
  "rgb": {
    "r": 165,
    "g": 49,
    "b": 59
  },
  "hsl": {
    "h": 354.828,
    "s": 54.206,
    "l": 41.961
  },
  "oklch": {
    "l": 0.49058,
    "c": 0.15128,
    "h": 20
  },
  "luminance": 0.10512
}

Semantic roles & 50–950 ramp

primary

#A5313B

secondary

#72C0B9

accent

#DED14A

background

#FDF7F6

surface

#FAEDEC

border

#D3C8C7

text

#140807

muted

#837B7A

Preview Lab

Preview with #A5313B

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

Preview Lab → · Contrast checker → · Palette generator →