#A13723#A13723

#A13723 is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.7% C 0.144 H 32.8°. Best body text is #FFFFFF at 6.80:1 contrast (WCAG AA passes).

Color values

HEX	#A13723
RGB	rgb(161, 55, 35)
HSL	hsl(10, 64%, 38%)
HSV	hsv(10, 78%, 63%)
CMYK	cmyk(0%, 65.8%, 78.3%, 36.9%)
CIE-LAB	lab(38.61, 42.80, 35.53)
CIE-LCH	lch(38.61, 55.63, 39.70°)
OKLab	oklab(48.71% 0.1214 0.0782)
OKLCH	oklch(48.71% 0.144 32.8)
XYZ	xyz(16.3693, 10.4332, 2.7416)
Luminance	0.1043 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A13723 #238DA1

analogous

#A1234E #A13723 #A17623

triadic

#A13723 #23A137 #3723A1

tetradic

#A13723 #4EA123 #238DA1 #7623A1

square

#A13723 #4EA123 #238DA1 #7623A1

split-complementary

#A13723 #23A176 #234EA1

monochromatic

#3C150D #6F2618 #A13723 #D2492F #DD7562

Accessibility & contrast

On white

6.80

#A13723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A13723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A13723

6.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A13723	#FFFFFF	#000000	##FFFFFF
##A13723	1.00	6.80	3.09	6.80
#FFFFFF	6.80	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554C20

Deuteranopia (green-blind)

#6F641F

Tritanopia (blue-blind)

#B11A33

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a13723;
/* rgb */ color: rgb(161, 55, 35);
/* oklch */ color: oklch(48.7% 0.144 32.8);

Tailwind

colors: {
  custom: {
    50: '#c5735f',
    500: '#a13723',
    950: '#000000',
  },
}

SCSS

$custom: #a13723;
$custom-light: #c5735f;
$custom-dark: #000000;

JSON

{
  "hex": "#a13723",
  "rgb": {
    "r": 161,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 9.524,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.48707,
    "c": 0.14444,
    "h": 32.8
  },
  "luminance": 0.10431
}

Semantic roles & 50–950 ramp

primary

#A13723

secondary

#5EB2C2

accent

#CDE741

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A13723

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

Preview Lab → · Contrast checker → · Palette generator →