#AA2740#AA2740

#AA2740 is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.166 H 15.6°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#AA2740
RGB	rgb(170, 39, 64)
HSL	hsl(349, 63%, 41%)
HSV	hsv(349, 77%, 67%)
CMYK	cmyk(0%, 77.1%, 62.4%, 33.3%)
CIE-LAB	lab(38.50, 53.44, 18.32)
CIE-LCH	lch(38.50, 56.50, 18.92°)
OKLab	oklab(49.08% 0.1601 0.0445)
OKLCH	oklch(49.08% 0.166 15.6)
XYZ	xyz(18.2304, 10.3700, 5.8912)
Luminance	0.1037 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2740 #27AA91

analogous

#AA2781 #AA2740 #AA5027

triadic

#AA2740 #40AA27 #2740AA

tetradic

#AA2740 #81AA27 #27AA91 #5027AA

square

#AA2740 #81AA27 #27AA91 #5027AA

split-complementary

#AA2740 #27AA50 #2781AA

monochromatic

#46101B #781C2D #AA2740 #D23C59 #DE6E83

Accessibility & contrast

On white

6.83

#AA2740 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#AA2740 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2740

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2740	#FFFFFF	#000000	##FFFFFF
##AA2740	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4940

Deuteranopia (green-blind)

#6D643C

Tritanopia (blue-blind)

#BA0032

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #aa2740;
/* rgb */ color: rgb(170, 39, 64);
/* oklch */ color: oklch(49.1% 0.166 15.6);

Tailwind

colors: {
  custom: {
    50: '#ca6d74',
    500: '#aa2740',
    950: '#000000',
  },
}

SCSS

$custom: #aa2740;
$custom-light: #ca6d74;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2740",
  "rgb": {
    "r": 170,
    "g": 39,
    "b": 64
  },
  "hsl": {
    "h": 348.55,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49076,
    "c": 0.16614,
    "h": 15.6
  },
  "luminance": 0.10367
}

Semantic roles & 50–950 ramp

primary

#AA2740

secondary

#69C4B3

accent

#E6C742

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AA2740

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

Preview Lab → · Contrast checker → · Palette generator →