#A13631#A13631

#A13631 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.8% C 0.143 H 26.5°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#A13631
RGB	rgb(161, 54, 49)
HSL	hsl(3, 53%, 41%)
HSV	hsv(3, 70%, 63%)
CMYK	cmyk(0%, 66.5%, 69.6%, 36.9%)
CIE-LAB	lab(38.62, 43.90, 27.42)
CIE-LCH	lch(38.62, 51.77, 31.99°)
OKLab	oklab(48.77% 0.1278 0.0636)
OKLCH	oklch(48.77% 0.143 26.5)
XYZ	xyz(16.5732, 10.4395, 4.0475)
Luminance	0.1044 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13631 #319CA1

analogous

#A13164 #A13631 #A16E31

triadic

#A13631 #31A136 #3631A1

tetradic

#A13631 #64A131 #319CA1 #6E31A1

square

#A13631 #64A131 #319CA1 #6E31A1

split-complementary

#A13631 #31A16E #3164A1

monochromatic

#431714 #722623 #A13631 #C74E48 #D67B77

Accessibility & contrast

On white

6.80

#A13631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A13631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13631

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13631	#FFFFFF	#000000	##FFFFFF
##A13631	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C30

Deuteranopia (green-blind)

#6E632E

Tritanopia (blue-blind)

#B11B36

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13631;
/* rgb */ color: rgb(161, 54, 49);
/* oklch */ color: oklch(48.8% 0.143 26.5);

Tailwind

colors: {
  custom: {
    50: '#c47369',
    500: '#a13631',
    950: '#000000',
  },
}

SCSS

$custom: #a13631;
$custom-light: #c47369;
$custom-dark: #000000;

JSON

{
  "hex": "#a13631",
  "rgb": {
    "r": 161,
    "g": 54,
    "b": 49
  },
  "hsl": {
    "h": 2.679,
    "s": 53.333,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48772,
    "c": 0.14275,
    "h": 26.5
  },
  "luminance": 0.10437
}

Semantic roles & 50–950 ramp

primary

#A13631

secondary

#70BABE

accent

#D6DD4B

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140806

muted

#827B7A

Preview Lab

Preview with #A13631

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

Preview Lab → · Contrast checker → · Palette generator →