#AA3931#AA3931

#AA3931 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.150 H 27.7°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#AA3931
RGB	rgb(170, 57, 49)
HSL	hsl(4, 55%, 43%)
HSV	hsv(4, 71%, 67%)
CMYK	cmyk(0%, 66.5%, 71.2%, 33.3%)
CIE-LAB	lab(40.73, 45.75, 30.32)
CIE-LCH	lch(40.73, 54.88, 33.54°)
OKLab	oklab(50.66% 0.1325 0.0696)
OKLCH	oklch(50.66% 0.15 27.7)
XYZ	xyz(18.5970, 11.6967, 4.1836)
Luminance	0.1169 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3931 #31A2AA

analogous

#AA3165 #AA3931 #AA7531

triadic

#AA3931 #31AA39 #3931AA

tetradic

#AA3931 #65AA31 #31A2AA #7531AA

square

#AA3931 #65AA31 #31A2AA #7531AA

split-complementary

#AA3931 #31AA75 #3165AA

monochromatic

#4B1916 #7A2923 #AA3931 #CC554D #D9827C

Accessibility & contrast

On white

6.29

#AA3931 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AA3931 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3931

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3931	#FFFFFF	#000000	##FFFFFF
##AA3931	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502F

Deuteranopia (green-blind)

#74692D

Tritanopia (blue-blind)

#BB1B38

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3931;
/* rgb */ color: rgb(170, 57, 49);
/* oklch */ color: oklch(50.7% 0.150 27.7);

Tailwind

colors: {
  custom: {
    50: '#cb7569',
    500: '#aa3931',
    950: '#000000',
  },
}

SCSS

$custom: #aa3931;
$custom-light: #cb7569;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3931",
  "rgb": {
    "r": 170,
    "g": 57,
    "b": 49
  },
  "hsl": {
    "h": 3.967,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50659,
    "c": 0.14964,
    "h": 27.7
  },
  "luminance": 0.11694
}

Semantic roles & 50–950 ramp

primary

#AA3931

secondary

#75BDC2

accent

#D5DF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AA3931

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

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