#AA1D1F#AA1D1F

#AA1D1F is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.176 H 26.6°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#AA1D1F
RGB	rgb(170, 29, 31)
HSL	hsl(359, 71%, 39%)
HSV	hsv(359, 83%, 67%)
CMYK	cmyk(0%, 82.9%, 81.8%, 33.3%)
CIE-LAB	lab(36.98, 54.82, 36.66)
CIE-LCH	lch(36.98, 65.95, 33.77°)
OKLab	oklab(47.79% 0.1572 0.0786)
OKLCH	oklch(47.79% 0.176 26.6)
XYZ	xyz(17.2664, 9.5265, 2.2257)
Luminance	0.0952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA1D1F #1DAAA8

analogous

#AA1D66 #AA1D1F #AA621D

triadic

#AA1D1F #1FAA1D #1D1FAA

tetradic

#AA1D1F #66AA1D #1DAAA8 #621DAA

square

#AA1D1F #66AA1D #1DAAA8 #621DAA

split-complementary

#AA1D1F #1DAA62 #1D66AA

monochromatic

#410B0C #761415 #AA1D1F #DB2A2C #E45E60

Accessibility & contrast

On white

7.23

#AA1D1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#AA1D1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA1D1F

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA1D1F	#FFFFFF	#000000	##FFFFFF
##AA1D1F	1.00	7.23	2.90	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441D

Deuteranopia (green-blind)

#6E6218

Tritanopia (blue-blind)

#BC0020

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #aa1d1f;
/* rgb */ color: rgb(170, 29, 31);
/* oklch */ color: oklch(47.8% 0.176 26.6);

Tailwind

colors: {
  custom: {
    50: '#cd695c',
    500: '#aa1d1f',
    950: '#000000',
  },
}

SCSS

$custom: #aa1d1f;
$custom-light: #cd695c;
$custom-dark: #000000;

JSON

{
  "hex": "#aa1d1f",
  "rgb": {
    "r": 170,
    "g": 29,
    "b": 31
  },
  "hsl": {
    "h": 359.149,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47793,
    "c": 0.17577,
    "h": 26.6
  },
  "luminance": 0.09524
}

Semantic roles & 50–950 ramp

primary

#AA1D1F

secondary

#5BC8C6

accent

#EEEB3A

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #AA1D1F

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

Preview Lab → · Contrast checker → · Palette generator →