#A13729#A13729

#A13729 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.143 H 30.4°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#A13729
RGB	rgb(161, 55, 41)
HSL	hsl(7, 59%, 40%)
HSV	hsv(7, 75%, 63%)
CMYK	cmyk(0%, 65.8%, 74.5%, 36.9%)
CIE-LAB	lab(38.68, 43.06, 32.22)
CIE-LCH	lch(38.68, 53.78, 36.81°)
OKLab	oklab(48.78% 0.1235 0.0726)
OKLCH	oklch(48.78% 0.143 30.4)
XYZ	xyz(16.4661, 10.4719, 3.2516)
Luminance	0.1047 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13729 #2993A1

analogous

#A12957 #A13729 #A17329

triadic

#A13729 #29A137 #3729A1

tetradic

#A13729 #57A129 #2993A1 #7329A1

square

#A13729 #57A129 #2993A1 #7329A1

split-complementary

#A13729 #29A173 #2957A1

monochromatic

#3F1610 #70261D #A13729 #CD4B3A #D9786B

Accessibility & contrast

On white

6.79

#A13729 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A13729 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13729

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13729	#FFFFFF	#000000	##FFFFFF
##A13729	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C27

Deuteranopia (green-blind)

#6F6425

Tritanopia (blue-blind)

#B11B34

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13729;
/* rgb */ color: rgb(161, 55, 41);
/* oklch */ color: oklch(48.8% 0.143 30.4);

Tailwind

colors: {
  custom: {
    50: '#c47363',
    500: '#a13729',
    950: '#000000',
  },
}

SCSS

$custom: #a13729;
$custom-light: #c47363;
$custom-dark: #000000;

JSON

{
  "hex": "#a13729",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 41
  },
  "hsl": {
    "h": 7,
    "s": 59.406,
    "l": 39.608
  },
  "oklch": {
    "l": 0.4878,
    "c": 0.1432,
    "h": 30.4
  },
  "luminance": 0.1047
}

Semantic roles & 50–950 ramp

primary

#A13729

secondary

#66B5C0

accent

#D0E345

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A13729

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

Preview Lab → · Contrast checker → · Palette generator →