#AA3A1B#AA3A1B

#AA3A1B is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.5% C 0.153 H 35.8°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#AA3A1B
RGB	rgb(170, 58, 27)
HSL	hsl(13, 73%, 39%)
HSV	hsv(13, 84%, 67%)
CMYK	cmyk(0%, 65.9%, 84.1%, 33.3%)
CIE-LAB	lab(40.66, 44.44, 42.22)
CIE-LCH	lch(40.66, 61.30, 43.53°)
OKLab	oklab(50.53% 0.1242 0.0894)
OKLCH	oklch(50.53% 0.153 35.8)
XYZ	xyz(18.2905, 11.6540, 2.3230)
Luminance	0.1165 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3A1B #1B8BAA

analogous

#AA1B43 #AA3A1B #AA811B

triadic

#AA3A1B #1BAA3A #3A1BAA

tetradic

#AA3A1B #43AA1B #1B8BAA #811BAA

square

#AA3A1B #43AA1B #1B8BAA #811BAA

split-complementary

#AA3A1B #1BAA81 #1B43AA

monochromatic

#40160A #752813 #AA3A1B #DC4D26 #E5795B

Accessibility & contrast

On white

6.31

#AA3A1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AA3A1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3A1B

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3A1B	#FFFFFF	#000000	##FFFFFF
##AA3A1B	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5016

Deuteranopia (green-blind)

#766915

Tritanopia (blue-blind)

#BB1934

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3a1b;
/* rgb */ color: rgb(170, 58, 27);
/* oklch */ color: oklch(50.5% 0.153 35.8);

Tailwind

colors: {
  custom: {
    50: '#cc765a',
    500: '#aa3a1b',
    950: '#000000',
  },
}

SCSS

$custom: #aa3a1b;
$custom-light: #cc765a;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3a1b",
  "rgb": {
    "r": 170,
    "g": 58,
    "b": 27
  },
  "hsl": {
    "h": 13.007,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.50533,
    "c": 0.15301,
    "h": 35.8
  },
  "luminance": 0.11651
}

Semantic roles & 50–950 ramp

primary

#AA3A1B

secondary

#58B0C9

accent

#C8EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AA3A1B

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

Preview Lab → · Contrast checker → · Palette generator →