#AA3F28#AA3F28

#AA3F28 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.3% C 0.146 H 33.8°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#AA3F28
RGB	rgb(170, 63, 40)
HSL	hsl(11, 62%, 41%)
HSV	hsv(11, 76%, 67%)
CMYK	cmyk(0%, 62.9%, 76.5%, 33.3%)
CIE-LAB	lab(41.62, 42.65, 36.45)
CIE-LCH	lch(41.62, 56.10, 40.52°)
OKLab	oklab(51.3% 0.121 0.0809)
OKLCH	oklch(51.3% 0.146 33.8)
XYZ	xyz(18.7401, 12.2569, 3.3861)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3F28 #2893AA

analogous

#AA2852 #AA3F28 #AA8028

triadic

#AA3F28 #28AA3F #3F28AA

tetradic

#AA3F28 #52AA28 #2893AA #8028AA

square

#AA3F28 #52AA28 #2893AA #8028AA

split-complementary

#AA3F28 #28AA80 #2852AA

monochromatic

#471A11 #782D1C #AA3F28 #D2583E #DD836F

Accessibility & contrast

On white

6.09

#AA3F28 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#AA3F28 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3F28

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3F28	#FFFFFF	#000000	##FFFFFF
##AA3F28	1.00	6.09	3.45	6.09
#FFFFFF	6.09	1.00	21.00	1.00
#000000	3.45	21.00	1.00	21.00
##FFFFFF	6.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5325

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#BB243A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #aa3f28;
/* rgb */ color: rgb(170, 63, 40);
/* oklch */ color: oklch(51.3% 0.146 33.8);

Tailwind

colors: {
  custom: {
    50: '#cb7963',
    500: '#aa3f28',
    950: '#000000',
  },
}

SCSS

$custom: #aa3f28;
$custom-light: #cb7963;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3f28",
  "rgb": {
    "r": 170,
    "g": 63,
    "b": 40
  },
  "hsl": {
    "h": 10.615,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.51295,
    "c": 0.14553,
    "h": 33.8
  },
  "luminance": 0.12254
}

Semantic roles & 50–950 ramp

primary

#AA3F28

secondary

#6AB4C4

accent

#C8E543

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150905

muted

#837B7A

Preview Lab

Preview with #AA3F28

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

Preview Lab → · Contrast checker → · Palette generator →