#AA3B21#AA3B21

#AA3B21 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.7% C 0.151 H 34.4°. Best body text is #FFFFFF at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#AA3B21
RGB	rgb(170, 59, 33)
HSL	hsl(11, 67%, 40%)
HSV	hsv(11, 81%, 67%)
CMYK	cmyk(0%, 65.3%, 80.6%, 33.3%)
CIE-LAB	lab(40.87, 44.19, 39.43)
CIE-LCH	lch(40.87, 59.22, 41.74°)
OKLab	oklab(50.71% 0.1244 0.0854)
OKLCH	oklch(50.71% 0.151 34.4)
XYZ	xyz(18.4181, 11.7865, 2.7437)
Luminance	0.1178 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3B21 #2190AA

analogous

#AA214B #AA3B21 #AA8021

triadic

#AA3B21 #21AA3B #3B21AA

tetradic

#AA3B21 #4BAA21 #2190AA #8021AA

square

#AA3B21 #4BAA21 #2190AA #8021AA

split-complementary

#AA3B21 #21AA80 #214BAA

monochromatic

#43170D #772917 #AA3B21 #D75131 #E17C64

Accessibility & contrast

On white

6.26

#AA3B21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#AA3B21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3B21

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3B21	#FFFFFF	#000000	##FFFFFF
##AA3B21	1.00	6.26	3.36	6.26
#FFFFFF	6.26	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B511D

Deuteranopia (green-blind)

#766A1C

Tritanopia (blue-blind)

#BB1C36

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3b21;
/* rgb */ color: rgb(170, 59, 33);
/* oklch */ color: oklch(50.7% 0.151 34.4);

Tailwind

colors: {
  custom: {
    50: '#cc765e',
    500: '#aa3b21',
    950: '#000000',
  },
}

SCSS

$custom: #aa3b21;
$custom-light: #cc765e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3b21",
  "rgb": {
    "r": 170,
    "g": 59,
    "b": 33
  },
  "hsl": {
    "h": 11.387,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.5071,
    "c": 0.15088,
    "h": 34.4
  },
  "luminance": 0.11784
}

Semantic roles & 50–950 ramp

primary

#AA3B21

secondary

#61B3C6

accent

#CAEA3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AA3B21

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

Preview Lab → · Contrast checker → · Palette generator →