#AA1F1D#AA1F1D

#AA1F1D is a mid, vivid red. Relative luminance 0.096; OKLCH L 47.9% C 0.175 H 27.5°. Best body text is #FFFFFF at 7.18:1 contrast (WCAG AA passes).

Color values

HEX	#AA1F1D
RGB	rgb(170, 31, 29)
HSL	hsl(1, 71%, 39%)
HSV	hsv(1, 83%, 67%)
CMYK	cmyk(0%, 81.8%, 82.9%, 33.3%)
CIE-LAB	lab(37.15, 54.23, 37.93)
CIE-LCH	lch(37.15, 66.18, 34.97°)
OKLab	oklab(47.91% 0.155 0.0806)
OKLCH	oklch(47.91% 0.175 27.5)
XYZ	xyz(17.2915, 9.6176, 2.1081)
Luminance	0.0961 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA1F1D #1DA8AA

analogous

#AA1D62 #AA1F1D #AA661D

triadic

#AA1F1D #1DAA1F #1F1DAA

tetradic

#AA1F1D #62AA1D #1DA8AA #661DAA

square

#AA1F1D #62AA1D #1DA8AA #661DAA

split-complementary

#AA1F1D #1DAA66 #1D62AA

monochromatic

#410C0B #761514 #AA1F1D #DB2C2A #E4605E

Accessibility & contrast

On white

7.18

#AA1F1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.92

#AA1F1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #AA1F1D

7.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA1F1D	#FFFFFF	#000000	##FFFFFF
##AA1F1D	1.00	7.18	2.92	7.18
#FFFFFF	7.18	1.00	21.00	1.00
#000000	2.92	21.00	1.00	21.00
##FFFFFF	7.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C441B

Deuteranopia (green-blind)

#6E6215

Tritanopia (blue-blind)

#BC0021

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #aa1f1d;
/* rgb */ color: rgb(170, 31, 29);
/* oklch */ color: oklch(47.9% 0.175 27.5);

Tailwind

colors: {
  custom: {
    50: '#cd695a',
    500: '#aa1f1d',
    950: '#000000',
  },
}

SCSS

$custom: #aa1f1d;
$custom-light: #cd695a;
$custom-dark: #000000;

JSON

{
  "hex": "#aa1f1d",
  "rgb": {
    "r": 170,
    "g": 31,
    "b": 29
  },
  "hsl": {
    "h": 0.851,
    "s": 70.854,
    "l": 39.02
  },
  "oklch": {
    "l": 0.47912,
    "c": 0.1747,
    "h": 27.5
  },
  "luminance": 0.09615
}

Semantic roles & 50–950 ramp

primary

#AA1F1D

secondary

#5BC6C8

accent

#EBEE3A

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#160704

muted

#847A79

Preview Lab

Preview with #AA1F1D

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

Preview Lab → · Contrast checker → · Palette generator →