#AA3D21#AA3D21

#AA3D21 is a mid, vivid red. Relative luminance 0.120; OKLCH L 51.0% C 0.149 H 35.3°. Best body text is #FFFFFF at 6.18:1 contrast (WCAG AA passes).

Color values

HEX	#AA3D21
RGB	rgb(170, 61, 33)
HSL	hsl(12, 67%, 40%)
HSV	hsv(12, 81%, 67%)
CMYK	cmyk(0%, 64.1%, 80.6%, 33.3%)
CIE-LAB	lab(41.21, 43.29, 39.75)
CIE-LCH	lch(41.21, 58.78, 42.56°)
OKLab	oklab(50.96% 0.1217 0.0861)
OKLCH	oklch(50.96% 0.149 35.3)
XYZ	xyz(18.5229, 11.9960, 2.7787)
Luminance	0.1199 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3D21 #218EAA

analogous

#AA2149 #AA3D21 #AA8221

triadic

#AA3D21 #21AA3D #3D21AA

tetradic

#AA3D21 #49AA21 #218EAA #8221AA

square

#AA3D21 #49AA21 #218EAA #8221AA

split-complementary

#AA3D21 #21AA82 #2149AA

monochromatic

#43180D #772B17 #AA3D21 #D75331 #E17E64

Accessibility & contrast

On white

6.18

#AA3D21 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.40

#AA3D21 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3D21

6.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3D21	#FFFFFF	#000000	##FFFFFF
##AA3D21	1.00	6.18	3.40	6.18
#FFFFFF	6.18	1.00	21.00	1.00
#000000	3.40	21.00	1.00	21.00
##FFFFFF	6.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C521D

Deuteranopia (green-blind)

#776A1D

Tritanopia (blue-blind)

#BB2037

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #aa3d21;
/* rgb */ color: rgb(170, 61, 33);
/* oklch */ color: oklch(51.0% 0.149 35.3);

Tailwind

colors: {
  custom: {
    50: '#cb775e',
    500: '#aa3d21',
    950: '#000000',
  },
}

SCSS

$custom: #aa3d21;
$custom-light: #cb775e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3d21",
  "rgb": {
    "r": 170,
    "g": 61,
    "b": 33
  },
  "hsl": {
    "h": 12.263,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.50962,
    "c": 0.14902,
    "h": 35.3
  },
  "luminance": 0.11993
}

Semantic roles & 50–950 ramp

primary

#AA3D21

secondary

#61B1C6

accent

#C7EA3D

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AA3D21

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

Preview Lab → · Contrast checker → · Palette generator →