#AA3F27#AA3F27

#AA3F27 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.3% C 0.146 H 34.1°. Best body text is #FFFFFF at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#AA3F27
RGB	rgb(170, 63, 39)
HSL	hsl(11, 63%, 41%)
HSV	hsv(11, 77%, 67%)
CMYK	cmyk(0%, 62.9%, 77.1%, 33.3%)
CIE-LAB	lab(41.61, 42.60, 36.99)
CIE-LCH	lch(41.61, 56.42, 40.96°)
OKLab	oklab(51.28% 0.1207 0.0818)
OKLCH	oklch(51.28% 0.146 34.1)
XYZ	xyz(18.7233, 12.2502, 3.2977)
Luminance	0.1225 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3F27 #2792AA

analogous

#AA2751 #AA3F27 #AA8027

triadic

#AA3F27 #27AA3F #3F27AA

tetradic

#AA3F27 #51AA27 #2792AA #8027AA

square

#AA3F27 #51AA27 #2792AA #8027AA

split-complementary

#AA3F27 #27AA80 #2751AA

monochromatic

#461A10 #782D1C #AA3F27 #D2573C #DE826E

Accessibility & contrast

On white

6.09

#AA3F27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.45

#AA3F27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3F27

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3F27	#FFFFFF	#000000	##FFFFFF
##AA3F27	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)

#5D5324

Deuteranopia (green-blind)

#776B23

Tritanopia (blue-blind)

#BB243A

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #aa3f27;
/* rgb */ color: rgb(170, 63, 39);
/* oklch */ color: oklch(51.3% 0.146 34.1);

Tailwind

colors: {
  custom: {
    50: '#cb7963',
    500: '#aa3f27',
    950: '#000000',
  },
}

SCSS

$custom: #aa3f27;
$custom-light: #cb7963;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3f27",
  "rgb": {
    "r": 170,
    "g": 63,
    "b": 39
  },
  "hsl": {
    "h": 10.992,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.51283,
    "c": 0.14577,
    "h": 34.1
  },
  "luminance": 0.12248
}

Semantic roles & 50–950 ramp

primary

#AA3F27

secondary

#69B3C4

accent

#C8E642

background

#FDF7F5

surface

#FAEEEA

border

#D3C9C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AA3F27

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

Preview Lab → · Contrast checker → · Palette generator →