#AA273F#AA273F

#AA273F is a mid, vivid red. Relative luminance 0.104; OKLCH L 49.1% C 0.166 H 16.0°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#AA273F
RGB	rgb(170, 39, 63)
HSL	hsl(349, 63%, 41%)
HSV	hsv(349, 77%, 67%)
CMYK	cmyk(0%, 77.1%, 62.9%, 33.3%)
CIE-LAB	lab(38.48, 53.38, 18.93)
CIE-LCH	lch(38.48, 56.64, 19.52°)
OKLab	oklab(49.06% 0.1597 0.0459)
OKLCH	oklch(49.06% 0.166 16)
XYZ	xyz(18.2022, 10.3587, 5.7426)
Luminance	0.1036 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA273F #27AA92

analogous

#AA2780 #AA273F #AA5127

triadic

#AA273F #3FAA27 #273FAA

tetradic

#AA273F #80AA27 #27AA92 #5127AA

square

#AA273F #80AA27 #27AA92 #5127AA

split-complementary

#AA273F #27AA51 #2780AA

monochromatic

#46101A #781C2D #AA273F #D23C57 #DE6E82

Accessibility & contrast

On white

6.84

#AA273F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#AA273F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA273F

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA273F	#FFFFFF	#000000	##FFFFFF
##AA273F	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C493F

Deuteranopia (green-blind)

#6D643B

Tritanopia (blue-blind)

#BB0031

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #aa273f;
/* rgb */ color: rgb(170, 39, 63);
/* oklch */ color: oklch(49.1% 0.166 16.0);

Tailwind

colors: {
  custom: {
    50: '#ca6d73',
    500: '#aa273f',
    950: '#000000',
  },
}

SCSS

$custom: #aa273f;
$custom-light: #ca6d73;
$custom-dark: #000000;

JSON

{
  "hex": "#aa273f",
  "rgb": {
    "r": 170,
    "g": 39,
    "b": 63
  },
  "hsl": {
    "h": 349.008,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.49055,
    "c": 0.16612,
    "h": 16
  },
  "luminance": 0.10356
}

Semantic roles & 50–950 ramp

primary

#AA273F

secondary

#69C4B3

accent

#E6C842

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#150808

muted

#837B7B

Preview Lab

Preview with #AA273F

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

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