#AA1D1E#AA1D1E

#AA1D1E is a mid, vivid red. Relative luminance 0.095; OKLCH L 47.8% C 0.176 H 26.8°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#AA1D1E
RGB	rgb(170, 29, 30)
HSL	hsl(360, 71%, 39%)
HSV	hsv(360, 83%, 67%)
CMYK	cmyk(0%, 82.9%, 82.4%, 33.3%)
CIE-LAB	lab(36.97, 54.79, 37.21)
CIE-LCH	lch(36.97, 66.23, 34.18°)
OKLab	oklab(47.78% 0.1569 0.0794)
OKLCH	oklch(47.78% 0.176 26.8)
XYZ	xyz(17.2534, 9.5214, 2.1574)
Luminance	0.0952 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA1D1E #1DAAA9

analogous

#AA1D65 #AA1D1E #AA621D

triadic

#AA1D1E #1EAA1D #1D1EAA

tetradic

#AA1D1E #65AA1D #1DAAA9 #621DAA

square

#AA1D1E #65AA1D #1DAAA9 #621DAA

split-complementary

#AA1D1E #1DAA62 #1D65AA

monochromatic

#410B0C #761415 #AA1D1E #DB2A2B #E45E5F

Accessibility & contrast

On white

7.23

#AA1D1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#AA1D1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA1D1E

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA1D1E	#FFFFFF	#000000	##FFFFFF
##AA1D1E	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)

#4C441C

Deuteranopia (green-blind)

#6E6217

Tritanopia (blue-blind)

#BC0020

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #aa1d1e;
/* rgb */ color: rgb(170, 29, 30);
/* oklch */ color: oklch(47.8% 0.176 26.8);

Tailwind

colors: {
  custom: {
    50: '#cd695b',
    500: '#aa1d1e',
    950: '#000000',
  },
}

SCSS

$custom: #aa1d1e;
$custom-light: #cd695b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa1d1e",
  "rgb": {
    "r": 170,
    "g": 29,
    "b": 30
  },
  "hsl": {
    "h": 359.574,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47783,
    "c": 0.17589,
    "h": 26.8
  },
  "luminance": 0.09519
}

Semantic roles & 50–950 ramp

primary

#AA1D1E

secondary

#5BC8C7

accent

#EEEC3A

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #AA1D1E

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

Preview Lab → · Contrast checker → · Palette generator →