#AA3B1B#AA3B1B

#AA3B1B is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.7% C 0.152 H 36.2°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#AA3B1B
RGB	rgb(170, 59, 27)
HSL	hsl(13, 73%, 39%)
HSV	hsv(13, 84%, 67%)
CMYK	cmyk(0%, 65.3%, 84.1%, 33.3%)
CIE-LAB	lab(40.83, 44.00, 42.37)
CIE-LCH	lch(40.83, 61.08, 43.92°)
OKLab	oklab(50.66% 0.1228 0.0898)
OKLCH	oklch(50.66% 0.152 36.2)
XYZ	xyz(18.3415, 11.7558, 2.3400)
Luminance	0.1175 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3B1B #1B8AAA

analogous

#AA1B42 #AA3B1B #AA821B

triadic

#AA3B1B #1BAA3B #3B1BAA

tetradic

#AA3B1B #42AA1B #1B8AAA #821BAA

square

#AA3B1B #42AA1B #1B8AAA #821BAA

split-complementary

#AA3B1B #1BAA82 #1B42AA

monochromatic

#40160A #752913 #AA3B1B #DC4F26 #E5795B

Accessibility & contrast

On white

6.27

#AA3B1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#AA3B1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3B1B

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3B1B	#FFFFFF	#000000	##FFFFFF
##AA3B1B	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5116

Deuteranopia (green-blind)

#766915

Tritanopia (blue-blind)

#BB1B35

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3b1b;
/* rgb */ color: rgb(170, 59, 27);
/* oklch */ color: oklch(50.7% 0.152 36.2);

Tailwind

colors: {
  custom: {
    50: '#cc765b',
    500: '#aa3b1b',
    950: '#000000',
  },
}

SCSS

$custom: #aa3b1b;
$custom-light: #cc765b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3b1b",
  "rgb": {
    "r": 170,
    "g": 59,
    "b": 27
  },
  "hsl": {
    "h": 13.427,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.50657,
    "c": 0.15211,
    "h": 36.2
  },
  "luminance": 0.11753
}

Semantic roles & 50–950 ramp

primary

#AA3B1B

secondary

#58AFC9

accent

#C6EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AA3B1B

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

Preview Lab → · Contrast checker → · Palette generator →