#A53721#A53721

#A53721 is a mid, vivid red. Relative luminance 0.108; OKLCH L 49.4% C 0.149 H 33.2°. Best body text is #FFFFFF at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#A53721
RGB	rgb(165, 55, 33)
HSL	hsl(10, 67%, 39%)
HSV	hsv(10, 80%, 65%)
CMYK	cmyk(0%, 66.7%, 80%, 35.3%)
CIE-LAB	lab(39.32, 44.16, 37.57)
CIE-LCH	lch(39.32, 57.98, 40.39°)
OKLab	oklab(49.37% 0.1248 0.0817)
OKLCH	oklch(49.37% 0.149 33.2)
XYZ	xyz(17.1597, 10.8440, 2.6281)
Luminance	0.1084 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A53721 #218FA5

analogous

#A5214D #A53721 #A57921

triadic

#A53721 #21A537 #3721A5

tetradic

#A53721 #4DA521 #218FA5 #7921A5

square

#A53721 #4DA521 #218FA5 #7921A5

split-complementary

#A53721 #21A579 #214DA5

monochromatic

#3F150D #722617 #A53721 #D54A2E #DF7661

Accessibility & contrast

On white

6.63

#A53721 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.17

#A53721 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A53721

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A53721	#FFFFFF	#000000	##FFFFFF
##A53721	1.00	6.63	3.17	6.63
#FFFFFF	6.63	1.00	21.00	1.00
#000000	3.17	21.00	1.00	21.00
##FFFFFF	6.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574D1E

Deuteranopia (green-blind)

#72661C

Tritanopia (blue-blind)

#B61733

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #a53721;
/* rgb */ color: rgb(165, 55, 33);
/* oklch */ color: oklch(49.4% 0.149 33.2);

Tailwind

colors: {
  custom: {
    50: '#c8745e',
    500: '#a53721',
    950: '#000000',
  },
}

SCSS

$custom: #a53721;
$custom-light: #c8745e;
$custom-dark: #000000;

JSON

{
  "hex": "#a53721",
  "rgb": {
    "r": 165,
    "g": 55,
    "b": 33
  },
  "hsl": {
    "h": 10,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.49369,
    "c": 0.14921,
    "h": 33.2
  },
  "luminance": 0.10842
}

Semantic roles & 50–950 ramp

primary

#A53721

secondary

#5EB3C4

accent

#CDEA3E

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A53721

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

Preview Lab → · Contrast checker → · Palette generator →