#AA2A37#AA2A37

#AA2A37 is a mid, vivid red. Relative luminance 0.105; OKLCH L 49.2% C 0.164 H 20.4°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#AA2A37
RGB	rgb(170, 42, 55)
HSL	hsl(354, 60%, 42%)
HSV	hsv(354, 75%, 67%)
CMYK	cmyk(0%, 75.3%, 67.6%, 33.3%)
CIE-LAB	lab(38.69, 51.91, 24.22)
CIE-LCH	lch(38.69, 57.28, 25.01°)
OKLab	oklab(49.17% 0.1533 0.057)
OKLCH	oklch(49.17% 0.164 20.4)
XYZ	xyz(18.0971, 10.4805, 4.6837)
Luminance	0.1048 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2A37 #2AAA9D

analogous

#AA2A77 #AA2A37 #AA5D2A

triadic

#AA2A37 #37AA2A #2A37AA

tetradic

#AA2A37 #77AA2A #2AAA9D #5D2AAA

square

#AA2A37 #77AA2A #2AAA9D #5D2AAA

split-complementary

#AA2A37 #2AAA5D #2A77AA

monochromatic

#481217 #791E27 #AA2A37 #D04150 #DC727D

Accessibility & contrast

On white

6.78

#AA2A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#AA2A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2A37

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2A37	#FFFFFF	#000000	##FFFFFF
##AA2A37	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4A36

Deuteranopia (green-blind)

#6F6533

Tritanopia (blue-blind)

#BB0030

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #aa2a37;
/* rgb */ color: rgb(170, 42, 55);
/* oklch */ color: oklch(49.2% 0.164 20.4);

Tailwind

colors: {
  custom: {
    50: '#cb6e6d',
    500: '#aa2a37',
    950: '#000000',
  },
}

SCSS

$custom: #aa2a37;
$custom-light: #cb6e6d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2a37",
  "rgb": {
    "r": 170,
    "g": 42,
    "b": 55
  },
  "hsl": {
    "h": 353.906,
    "s": 60.377,
    "l": 41.569
  },
  "oklch": {
    "l": 0.49166,
    "c": 0.16354,
    "h": 20.4
  },
  "luminance": 0.10478
}

Semantic roles & 50–950 ramp

primary

#AA2A37

secondary

#6CC3BB

accent

#E4D344

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AA2A37

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

Preview Lab → · Contrast checker → · Palette generator →