#AA3821#AA3821

#AA3821 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.3% C 0.154 H 33.3°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#AA3821
RGB	rgb(170, 56, 33)
HSL	hsl(10, 67%, 40%)
HSV	hsv(10, 81%, 67%)
CMYK	cmyk(0%, 67.1%, 80.6%, 33.3%)
CIE-LAB	lab(40.39, 45.50, 38.94)
CIE-LCH	lch(40.39, 59.89, 40.56°)
OKLab	oklab(50.35% 0.1285 0.0843)
OKLCH	oklch(50.35% 0.154 33.3)
XYZ	xyz(18.2683, 11.4869, 2.6938)
Luminance	0.1148 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3821 #2193AA

analogous

#AA214F #AA3821 #AA7D21

triadic

#AA3821 #21AA38 #3821AA

tetradic

#AA3821 #4FAA21 #2193AA #7D21AA

square

#AA3821 #4FAA21 #2193AA #7D21AA

split-complementary

#AA3821 #21AA7D #214FAA

monochromatic

#43160D #772717 #AA3821 #D74D31 #E17964

Accessibility & contrast

On white

6.37

#AA3821 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#AA3821 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3821

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3821	#FFFFFF	#000000	##FFFFFF
##AA3821	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#594F1D

Deuteranopia (green-blind)

#75691C

Tritanopia (blue-blind)

#BB1534

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #aa3821;
/* rgb */ color: rgb(170, 56, 33);
/* oklch */ color: oklch(50.3% 0.154 33.3);

Tailwind

colors: {
  custom: {
    50: '#cc755e',
    500: '#aa3821',
    950: '#000000',
  },
}

SCSS

$custom: #aa3821;
$custom-light: #cc755e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3821",
  "rgb": {
    "r": 170,
    "g": 56,
    "b": 33
  },
  "hsl": {
    "h": 10.073,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50345,
    "c": 0.15366,
    "h": 33.3
  },
  "luminance": 0.11484
}

Semantic roles & 50–950 ramp

primary

#AA3821

secondary

#61B5C6

accent

#CDEA3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AA3821

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

Preview Lab → · Contrast checker → · Palette generator →