#A13728#A13728

#A13728 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.8% C 0.143 H 30.9°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#A13728
RGB	rgb(161, 55, 40)
HSL	hsl(7, 60%, 39%)
HSV	hsv(7, 75%, 63%)
CMYK	cmyk(0%, 65.8%, 75.2%, 36.9%)
CIE-LAB	lab(38.66, 43.01, 32.78)
CIE-LCH	lch(38.66, 54.08, 37.31°)
OKLab	oklab(48.77% 0.1231 0.0735)
OKLCH	oklch(48.77% 0.143 30.9)
XYZ	xyz(16.4489, 10.4650, 3.1609)
Luminance	0.1046 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13728 #2892A1

analogous

#A12856 #A13728 #A17428

triadic

#A13728 #28A137 #3728A1

tetradic

#A13728 #56A128 #2892A1 #7428A1

square

#A13728 #56A128 #2892A1 #7428A1

split-complementary

#A13728 #28A174 #2856A1

monochromatic

#3F1610 #70261C #A13728 #CE4B39 #DA776A

Accessibility & contrast

On white

6.79

#A13728 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A13728 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13728

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13728	#FFFFFF	#000000	##FFFFFF
##A13728	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)

#554C26

Deuteranopia (green-blind)

#6F6424

Tritanopia (blue-blind)

#B11B34

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13728;
/* rgb */ color: rgb(161, 55, 40);
/* oklch */ color: oklch(48.8% 0.143 30.9);

Tailwind

colors: {
  custom: {
    50: '#c47363',
    500: '#a13728',
    950: '#000000',
  },
}

SCSS

$custom: #a13728;
$custom-light: #c47363;
$custom-dark: #000000;

JSON

{
  "hex": "#a13728",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 40
  },
  "hsl": {
    "h": 7.438,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48767,
    "c": 0.1434,
    "h": 30.9
  },
  "luminance": 0.10463
}

Semantic roles & 50–950 ramp

primary

#A13728

secondary

#65B5C0

accent

#D0E344

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A13728

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

Preview Lab → · Contrast checker → · Palette generator →