#A33723#A33723

#A33723 is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.0% C 0.147 H 32.7°. Best body text is #FFFFFF at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#A33723
RGB	rgb(163, 55, 35)
HSL	hsl(9, 65%, 39%)
HSV	hsv(9, 79%, 64%)
CMYK	cmyk(0%, 66.3%, 78.5%, 36.1%)
CIE-LAB	lab(38.97, 43.52, 36.02)
CIE-LCH	lch(38.97, 56.50, 39.62°)
OKLab	oklab(49.05% 0.1235 0.0791)
OKLCH	oklch(49.05% 0.147 32.7)
XYZ	xyz(16.7757, 10.6427, 2.7607)
Luminance	0.1064 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33723 #238FA3

analogous

#A3234F #A33723 #A37723

triadic

#A33723 #23A337 #3723A3

tetradic

#A33723 #4FA323 #238FA3 #7723A3

square

#A33723 #4FA323 #238FA3 #7723A3

split-complementary

#A33723 #23A377 #234FA3

monochromatic

#3E150D #712618 #A33723 #D34A31 #DD7663

Accessibility & contrast

On white

6.71

#A33723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#A33723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33723

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33723	#FFFFFF	#000000	##FFFFFF
##A33723	1.00	6.71	3.13	6.71
#FFFFFF	6.71	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564D20

Deuteranopia (green-blind)

#71651F

Tritanopia (blue-blind)

#B41833

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #a33723;
/* rgb */ color: rgb(163, 55, 35);
/* oklch */ color: oklch(49.0% 0.147 32.7);

Tailwind

colors: {
  custom: {
    50: '#c6735f',
    500: '#a33723',
    950: '#000000',
  },
}

SCSS

$custom: #a33723;
$custom-light: #c6735f;
$custom-dark: #000000;

JSON

{
  "hex": "#a33723",
  "rgb": {
    "r": 163,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 9.375,
    "s": 64.646,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49048,
    "c": 0.14664,
    "h": 32.7
  },
  "luminance": 0.1064
}

Semantic roles & 50–950 ramp

primary

#A33723

secondary

#5FB3C3

accent

#CDE840

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140805

muted

#837B79

Preview Lab

Preview with #A33723

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

Preview Lab → · Contrast checker → · Palette generator →