#AA2739#AA2739

#AA2739 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.9% C 0.166 H 18.8°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#AA2739
RGB	rgb(170, 39, 57)
HSL	hsl(352, 63%, 41%)
HSV	hsv(352, 77%, 67%)
CMYK	cmyk(0%, 77.1%, 66.5%, 33.3%)
CIE-LAB	lab(38.37, 53.02, 22.56)
CIE-LCH	lch(38.37, 57.62, 23.05°)
OKLab	oklab(48.94% 0.1573 0.0536)
OKLCH	oklch(48.94% 0.166 18.8)
XYZ	xyz(18.0436, 10.2952, 4.9072)
Luminance	0.1029 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2739 #27AA98

analogous

#AA277A #AA2739 #AA5627

triadic

#AA2739 #39AA27 #2739AA

tetradic

#AA2739 #7AAA27 #27AA98 #5627AA

square

#AA2739 #7AAA27 #27AA98 #5627AA

split-complementary

#AA2739 #27AA56 #277AAA

monochromatic

#461018 #781C28 #AA2739 #D23C51 #DE6E7D

Accessibility & contrast

On white

6.87

#AA2739 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#AA2739 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2739

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2739	#FFFFFF	#000000	##FFFFFF
##AA2739	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4939

Deuteranopia (green-blind)

#6E6435

Tritanopia (blue-blind)

#BB002F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa2739;
/* rgb */ color: rgb(170, 39, 57);
/* oklch */ color: oklch(48.9% 0.166 18.8);

Tailwind

colors: {
  custom: {
    50: '#cb6d6f',
    500: '#aa2739',
    950: '#000000',
  },
}

SCSS

$custom: #aa2739;
$custom-light: #cb6d6f;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2739",
  "rgb": {
    "r": 170,
    "g": 39,
    "b": 57
  },
  "hsl": {
    "h": 351.756,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.48936,
    "c": 0.16614,
    "h": 18.8
  },
  "luminance": 0.10292
}

Semantic roles & 50–950 ramp

primary

#AA2739

secondary

#69C4B8

accent

#E6CF42

background

#FDF6F6

surface

#FAECEC

border

#D3C7C7

text

#150807

muted

#837A7A

Preview Lab

Preview with #AA2739

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

Preview Lab → · Contrast checker → · Palette generator →