#AA3640#AA3640

#AA3640 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.6% C 0.151 H 19.6°. Best body text is #FFFFFF at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#AA3640
RGB	rgb(170, 54, 64)
HSL	hsl(355, 52%, 44%)
HSV	hsv(355, 68%, 67%)
CMYK	cmyk(0%, 68.2%, 62.4%, 33.3%)
CIE-LAB	lab(40.50, 47.90, 20.94)
CIE-LCH	lch(40.50, 52.27, 23.61°)
OKLab	oklab(50.57% 0.1423 0.0506)
OKLCH	oklch(50.57% 0.151 19.6)
XYZ	xyz(18.8240, 11.5572, 6.0890)
Luminance	0.1155 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3640 #36AAA0

analogous

#AA367A #AA3640 #AA6636

triadic

#AA3640 #40AA36 #3640AA

tetradic

#AA3640 #7AAA36 #36AAA0 #6636AA

square

#AA3640 #7AAA36 #36AAA0 #6636AA

split-complementary

#AA3640 #36AA66 #367AAA

monochromatic

#4D181D #7C272F #AA3640 #C9545E #D8838A

Accessibility & contrast

On white

6.34

#AA3640 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#AA3640 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3640

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3640	#FFFFFF	#000000	##FFFFFF
##AA3640	1.00	6.34	3.31	6.34
#FFFFFF	6.34	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545040

Deuteranopia (green-blind)

#72683D

Tritanopia (blue-blind)

#BA1A3A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #aa3640;
/* rgb */ color: rgb(170, 54, 64);
/* oklch */ color: oklch(50.6% 0.151 19.6);

Tailwind

colors: {
  custom: {
    50: '#ca7474',
    500: '#aa3640',
    950: '#000000',
  },
}

SCSS

$custom: #aa3640;
$custom-light: #ca7474;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3640",
  "rgb": {
    "r": 170,
    "g": 54,
    "b": 64
  },
  "hsl": {
    "h": 354.828,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50567,
    "c": 0.15104,
    "h": 19.6
  },
  "luminance": 0.11555
}

Semantic roles & 50–950 ramp

primary

#AA3640

secondary

#7BC1BB

accent

#DBCF4D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA3640

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

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