#AA291F#AA291F

#AA291F is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.7% C 0.167 H 29.1°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#AA291F
RGB	rgb(170, 41, 31)
HSL	hsl(4, 69%, 39%)
HSV	hsv(4, 82%, 67%)
CMYK	cmyk(0%, 75.9%, 81.8%, 33.3%)
CIE-LAB	lab(38.26, 51.22, 37.92)
CIE-LCH	lch(38.26, 63.73, 36.51°)
OKLab	oklab(48.74% 0.1459 0.0814)
OKLCH	oklch(48.74% 0.167 29.1)
XYZ	xyz(17.6200, 10.2336, 2.3436)
Luminance	0.1023 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA291F #1FA0AA

analogous

#AA1F5A #AA291F #AA6F1F

triadic

#AA291F #1FAA29 #291FAA

tetradic

#AA291F #5AAA1F #1FA0AA #6F1FAA

square

#AA291F #5AAA1F #1FA0AA #6F1FAA

split-complementary

#AA291F #1FAA6F #1F5AAA

monochromatic

#42100C #761D16 #AA291F #D93A2D #E26A61

Accessibility & contrast

On white

6.89

#AA291F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#AA291F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA291F

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA291F	#FFFFFF	#000000	##FFFFFF
##AA291F	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481C

Deuteranopia (green-blind)

#716419

Tritanopia (blue-blind)

#BC0028

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa291f;
/* rgb */ color: rgb(170, 41, 31);
/* oklch */ color: oklch(48.7% 0.167 29.1);

Tailwind

colors: {
  custom: {
    50: '#cc6d5c',
    500: '#aa291f',
    950: '#000000',
  },
}

SCSS

$custom: #aa291f;
$custom-light: #cc6d5c;
$custom-dark: #000000;

JSON

{
  "hex": "#aa291f",
  "rgb": {
    "r": 170,
    "g": 41,
    "b": 31
  },
  "hsl": {
    "h": 4.317,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.48744,
    "c": 0.16708,
    "h": 29.1
  },
  "luminance": 0.10231
}

Semantic roles & 50–950 ramp

primary

#AA291F

secondary

#5EBFC7

accent

#DFEC3C

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA291F

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

Preview Lab → · Contrast checker → · Palette generator →