#AA3643#AA3643

#AA3643 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.151 H 18.0°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#AA3643
RGB	rgb(170, 54, 67)
HSL	hsl(353, 52%, 44%)
HSV	hsv(353, 68%, 67%)
CMYK	cmyk(0%, 68.2%, 60.6%, 33.3%)
CIE-LAB	lab(40.56, 48.10, 19.15)
CIE-LCH	lch(40.56, 51.78, 21.71°)
OKLab	oklab(50.63% 0.1435 0.0467)
OKLCH	oklch(50.63% 0.151 18)
XYZ	xyz(18.9117, 11.5922, 6.5508)
Luminance	0.1159 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3643 #36AA9D

analogous

#AA367D #AA3643 #AA6336

triadic

#AA3643 #43AA36 #3643AA

tetradic

#AA3643 #7DAA36 #36AA9D #6336AA

square

#AA3643 #7DAA36 #36AA9D #6336AA

split-complementary

#AA3643 #36AA63 #367DAA

monochromatic

#4D181E #7C2731 #AA3643 #C95461 #D8838C

Accessibility & contrast

On white

6.33

#AA3643 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#AA3643 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3643

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3643	#FFFFFF	#000000	##FFFFFF
##AA3643	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545043

Deuteranopia (green-blind)

#716940

Tritanopia (blue-blind)

#BA1B3C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3643;
/* rgb */ color: rgb(170, 54, 67);
/* oklch */ color: oklch(50.6% 0.151 18.0);

Tailwind

colors: {
  custom: {
    50: '#ca7477',
    500: '#aa3643',
    950: '#000000',
  },
}

SCSS

$custom: #aa3643;
$custom-light: #ca7477;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3643",
  "rgb": {
    "r": 170,
    "g": 54,
    "b": 67
  },
  "hsl": {
    "h": 353.276,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50628,
    "c": 0.15094,
    "h": 18
  },
  "luminance": 0.1159
}

Semantic roles & 50–950 ramp

primary

#AA3643

secondary

#7BC1B9

accent

#DBCB4D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA3643

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

Preview Lab → · Contrast checker → · Palette generator →