#A13537#A13537

#A13537 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.8% C 0.143 H 23.1°. Best body text is #FFFFFF at 6.82:1 contrast (WCAG AA passes).

Color values

HEX	#A13537
RGB	rgb(161, 53, 55)
HSL	hsl(359, 50%, 42%)
HSV	hsv(359, 67%, 63%)
CMYK	cmyk(0%, 67.1%, 65.8%, 36.9%)
CIE-LAB	lab(38.55, 44.69, 23.68)
CIE-LCH	lch(38.55, 50.58, 27.92°)
OKLab	oklab(48.75% 0.1315 0.0562)
OKLCH	oklch(48.75% 0.143 23.1)
XYZ	xyz(16.6623, 10.4014, 4.7440)
Luminance	0.1040 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13537 #35A19F

analogous

#A1356D #A13537 #A16935

triadic

#A13537 #37A135 #3537A1

tetradic

#A13537 #6DA135 #35A19F #6935A1

square

#A13537 #6DA135 #35A19F #6935A1

split-complementary

#A13537 #35A169 #356DA1

monochromatic

#451718 #732627 #A13537 #C54E51 #D47C7E

Accessibility & contrast

On white

6.82

#A13537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#A13537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13537

6.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13537	#FFFFFF	#000000	##FFFFFF
##A13537	1.00	6.82	3.08	6.82
#FFFFFF	6.82	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C36

Deuteranopia (green-blind)

#6D6334

Tritanopia (blue-blind)

#B11B37

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13537;
/* rgb */ color: rgb(161, 53, 55);
/* oklch */ color: oklch(48.8% 0.143 23.1);

Tailwind

colors: {
  custom: {
    50: '#c3726d',
    500: '#a13537',
    950: '#000000',
  },
}

SCSS

$custom: #a13537;
$custom-light: #c3726d;
$custom-dark: #000000;

JSON

{
  "hex": "#a13537",
  "rgb": {
    "r": 161,
    "g": 53,
    "b": 55
  },
  "hsl": {
    "h": 358.889,
    "s": 50.467,
    "l": 41.961
  },
  "oklch": {
    "l": 0.48752,
    "c": 0.14299,
    "h": 23.1
  },
  "luminance": 0.10399
}

Semantic roles & 50–950 ramp

primary

#A13537

secondary

#75BDBC

accent

#DAD74E

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140807

muted

#827B7A

Preview Lab

Preview with #A13537

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

Preview Lab → · Contrast checker → · Palette generator →