#AA1F1C#AA1F1C

#AA1F1C is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.175 H 27.8°. Best body text is #FFFFFF at 7.19:1 contrast (WCAG AA passes).

Color values

HEX	#AA1F1C
RGB	rgb(170, 31, 28)
HSL	hsl(1, 72%, 39%)
HSV	hsv(1, 84%, 67%)
CMYK	cmyk(0%, 81.8%, 83.5%, 33.3%)
CIE-LAB	lab(37.14, 54.20, 38.46)
CIE-LCH	lch(37.14, 66.46, 35.36°)
OKLab	oklab(47.9% 0.1547 0.0814)
OKLCH	oklch(47.9% 0.175 27.8)
XYZ	xyz(17.2793, 9.6127, 2.0440)
Luminance	0.0961 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA1F1C #1CA7AA

analogous

#AA1C60 #AA1F1C #AA661C

triadic

#AA1F1C #1CAA1F #1F1CAA

tetradic

#AA1F1C #60AA1C #1CA7AA #661CAA

square

#AA1F1C #60AA1C #1CA7AA #661CAA

split-complementary

#AA1F1C #1CAA66 #1C60AA

monochromatic

#410C0B #751513 #AA1F1C #DC2B28 #E45F5C

Accessibility & contrast

On white

7.19

#AA1F1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#AA1F1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA1F1C

7.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA1F1C	#FFFFFF	#000000	##FFFFFF
##AA1F1C	1.00	7.19	2.92	7.19
#FFFFFF	7.19	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D4419

Deuteranopia (green-blind)

#6E6214

Tritanopia (blue-blind)

#BC0021

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #aa1f1c;
/* rgb */ color: rgb(170, 31, 28);
/* oklch */ color: oklch(47.9% 0.175 27.8);

Tailwind

colors: {
  custom: {
    50: '#cd695a',
    500: '#aa1f1c',
    950: '#000000',
  },
}

SCSS

$custom: #aa1f1c;
$custom-light: #cd695a;
$custom-dark: #000000;

JSON

{
  "hex": "#aa1f1c",
  "rgb": {
    "r": 170,
    "g": 31,
    "b": 28
  },
  "hsl": {
    "h": 1.268,
    "s": 71.717,
    "l": 38.824
  },
  "oklch": {
    "l": 0.47902,
    "c": 0.1748,
    "h": 27.8
  },
  "luminance": 0.0961
}

Semantic roles & 50–950 ramp

primary

#AA1F1C

secondary

#5AC6C8

accent

#EBEE39

background

#FEF6F5

surface

#FCECE9

border

#D5C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #AA1F1C

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

Preview Lab → · Contrast checker → · Palette generator →