#A13730#A13730

#A13730 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.9% C 0.142 H 27.4°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#A13730
RGB	rgb(161, 55, 48)
HSL	hsl(4, 54%, 41%)
HSV	hsv(4, 70%, 63%)
CMYK	cmyk(0%, 65.8%, 70.2%, 36.9%)
CIE-LAB	lab(38.77, 43.41, 28.20)
CIE-LCH	lch(38.77, 51.77, 33.01°)
OKLab	oklab(48.88% 0.126 0.0652)
OKLCH	oklch(48.88% 0.142 27.4)
XYZ	xyz(16.5994, 10.5252, 3.9532)
Luminance	0.1052 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13730 #309AA1

analogous

#A13061 #A13730 #A16F30

triadic

#A13730 #30A137 #3730A1

tetradic

#A13730 #61A130 #309AA1 #6F30A1

square

#A13730 #61A130 #309AA1 #6F30A1

split-complementary

#A13730 #30A16F #3061A1

monochromatic

#431714 #722722 #A13730 #C84E46 #D67B75

Accessibility & contrast

On white

6.76

#A13730 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#A13730 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13730

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13730	#FFFFFF	#000000	##FFFFFF
##A13730	1.00	6.76	3.10	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544D2F

Deuteranopia (green-blind)

#6E642D

Tritanopia (blue-blind)

#B11D36

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13730;
/* rgb */ color: rgb(161, 55, 48);
/* oklch */ color: oklch(48.9% 0.142 27.4);

Tailwind

colors: {
  custom: {
    50: '#c47368',
    500: '#a13730',
    950: '#000000',
  },
}

SCSS

$custom: #a13730;
$custom-light: #c47368;
$custom-dark: #000000;

JSON

{
  "hex": "#a13730",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 48
  },
  "hsl": {
    "h": 3.717,
    "s": 54.067,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48879,
    "c": 0.14187,
    "h": 27.4
  },
  "luminance": 0.10523
}

Semantic roles & 50–950 ramp

primary

#A13730

secondary

#6FB9BE

accent

#D4DD4A

background

#FCF7F6

surface

#F9EDEB

border

#D2C8C6

text

#140806

muted

#827B7A

Preview Lab

Preview with #A13730

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

Preview Lab → · Contrast checker → · Palette generator →