#A13733#A13733

#A13733 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.141 H 25.9°. Best body text is #FFFFFF at 6.75:1 contrast (WCAG AA passes).

Color values

HEX	#A13733
RGB	rgb(161, 55, 51)
HSL	hsl(2, 52%, 42%)
HSV	hsv(2, 68%, 63%)
CMYK	cmyk(0%, 65.8%, 68.3%, 36.9%)
CIE-LAB	lab(38.81, 43.58, 26.45)
CIE-LCH	lch(38.81, 50.98, 31.25°)
OKLab	oklab(48.93% 0.1272 0.0618)
OKLCH	oklch(48.93% 0.141 25.9)
XYZ	xyz(16.6634, 10.5508, 4.2904)
Luminance	0.1055 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13733 #339DA1

analogous

#A13366 #A13733 #A16E33

triadic

#A13733 #33A137 #3733A1

tetradic

#A13733 #66A133 #339DA1 #6E33A1

square

#A13733 #66A133 #339DA1 #6E33A1

split-complementary

#A13733 #33A16E #3366A1

monochromatic

#441716 #732724 #A13733 #C6504B #D57D7A

Accessibility & contrast

On white

6.75

#A13733 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#A13733 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13733

6.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13733	#FFFFFF	#000000	##FFFFFF
##A13733	1.00	6.75	3.11	6.75
#FFFFFF	6.75	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D32

Deuteranopia (green-blind)

#6E6430

Tritanopia (blue-blind)

#B11D37

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13733;
/* rgb */ color: rgb(161, 55, 51);
/* oklch */ color: oklch(48.9% 0.141 25.9);

Tailwind

colors: {
  custom: {
    50: '#c4736b',
    500: '#a13733',
    950: '#000000',
  },
}

SCSS

$custom: #a13733;
$custom-light: #c4736b;
$custom-dark: #000000;

JSON

{
  "hex": "#a13733",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 51
  },
  "hsl": {
    "h": 2.182,
    "s": 51.887,
    "l": 41.569
  },
  "oklch": {
    "l": 0.48926,
    "c": 0.14138,
    "h": 25.9
  },
  "luminance": 0.10548
}

Semantic roles & 50–950 ramp

primary

#A13733

secondary

#72BBBD

accent

#D6DB4C

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140806

muted

#827B7A

Preview Lab

Preview with #A13733

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

Preview Lab → · Contrast checker → · Palette generator →