#AA3521#AA3521

#AA3521 is a mid, vivid red. Relative luminance 0.112; OKLCH L 50.0% C 0.156 H 32.2°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#AA3521
RGB	rgb(170, 53, 33)
HSL	hsl(9, 67%, 40%)
HSV	hsv(9, 81%, 67%)
CMYK	cmyk(0%, 68.8%, 80.6%, 33.3%)
CIE-LAB	lab(39.92, 46.76, 38.48)
CIE-LCH	lch(39.92, 60.56, 39.46°)
OKLab	oklab(50% 0.1324 0.0833)
OKLCH	oklch(50% 0.156 32.2)
XYZ	xyz(18.1273, 11.2048, 2.6468)
Luminance	0.1120 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3521 #2196AA

analogous

#AA2152 #AA3521 #AA7A21

triadic

#AA3521 #21AA35 #3521AA

tetradic

#AA3521 #52AA21 #2196AA #7A21AA

square

#AA3521 #52AA21 #2196AA #7A21AA

split-complementary

#AA3521 #21AA7A #2152AA

monochromatic

#43150D #772517 #AA3521 #D74931 #E17764

Accessibility & contrast

On white

6.48

#AA3521 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#AA3521 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3521

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3521	#FFFFFF	#000000	##FFFFFF
##AA3521	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#574E1E

Deuteranopia (green-blind)

#74681C

Tritanopia (blue-blind)

#BB0D31

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #aa3521;
/* rgb */ color: rgb(170, 53, 33);
/* oklch */ color: oklch(50.0% 0.156 32.2);

Tailwind

colors: {
  custom: {
    50: '#cc735e',
    500: '#aa3521',
    950: '#000000',
  },
}

SCSS

$custom: #aa3521;
$custom-light: #cc735e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3521",
  "rgb": {
    "r": 170,
    "g": 53,
    "b": 33
  },
  "hsl": {
    "h": 8.759,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.49995,
    "c": 0.15641,
    "h": 32.2
  },
  "luminance": 0.11202
}

Semantic roles & 50–950 ramp

primary

#AA3521

secondary

#61B7C6

accent

#D1EA3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA3521

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

Preview Lab → · Contrast checker → · Palette generator →