#AA1F20#AA1F20

#AA1F20 is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.174 H 26.6°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#AA1F20
RGB	rgb(170, 31, 32)
HSL	hsl(360, 69%, 39%)
HSV	hsv(360, 82%, 67%)
CMYK	cmyk(0%, 81.8%, 81.2%, 33.3%)
CIE-LAB	lab(37.18, 54.32, 36.29)
CIE-LCH	lch(37.18, 65.33, 33.75°)
OKLab	oklab(47.94% 0.1559 0.0781)
OKLCH	oklch(47.94% 0.174 26.6)
XYZ	xyz(17.3304, 9.6331, 2.3131)
Luminance	0.0963 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA1F20 #1FAAA9

analogous

#AA1F66 #AA1F20 #AA631F

triadic

#AA1F20 #20AA1F #1F20AA

tetradic

#AA1F20 #66AA1F #1FAAA9 #631FAA

square

#AA1F20 #66AA1F #1FAAA9 #631FAA

split-complementary

#AA1F20 #1FAA63 #1F66AA

monochromatic

#420C0D #761616 #AA1F20 #D92D2F #E26162

Accessibility & contrast

On white

7.18

#AA1F20 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#AA1F20 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA1F20

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA1F20	#FFFFFF	#000000	##FFFFFF
##AA1F20	1.00	7.18	2.93	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441E

Deuteranopia (green-blind)

#6E6219

Tritanopia (blue-blind)

#BC0022

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #aa1f20;
/* rgb */ color: rgb(170, 31, 32);
/* oklch */ color: oklch(47.9% 0.174 26.6);

Tailwind

colors: {
  custom: {
    50: '#cd695c',
    500: '#aa1f20',
    950: '#000000',
  },
}

SCSS

$custom: #aa1f20;
$custom-light: #cd695c;
$custom-dark: #000000;

JSON

{
  "hex": "#aa1f20",
  "rgb": {
    "r": 170,
    "g": 31,
    "b": 32
  },
  "hsl": {
    "h": 359.568,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.47942,
    "c": 0.17436,
    "h": 26.6
  },
  "luminance": 0.0963
}

Semantic roles & 50–950 ramp

primary

#AA1F20

secondary

#5EC7C6

accent

#ECEB3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150704

muted

#837A79

Preview Lab

Preview with #AA1F20

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

Preview Lab → · Contrast checker → · Palette generator →