#AA3831#AA3831

#AA3831 is a mid, vivid red. Relative luminance 0.116; OKLCH L 50.5% C 0.151 H 27.3°. Best body text is #FFFFFF at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#AA3831
RGB	rgb(170, 56, 49)
HSL	hsl(3, 55%, 43%)
HSV	hsv(3, 71%, 67%)
CMYK	cmyk(0%, 67.1%, 71.2%, 33.3%)
CIE-LAB	lab(40.57, 46.18, 30.14)
CIE-LCH	lch(40.57, 55.14, 33.13°)
OKLab	oklab(50.54% 0.1338 0.0692)
OKLCH	oklch(50.54% 0.151 27.3)
XYZ	xyz(18.5481, 11.5988, 4.1673)
Luminance	0.1160 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3831 #31A3AA

analogous

#AA3166 #AA3831 #AA7431

triadic

#AA3831 #31AA38 #3831AA

tetradic

#AA3831 #66AA31 #31A3AA #7431AA

square

#AA3831 #66AA31 #31A3AA #7431AA

split-complementary

#AA3831 #31AA74 #3166AA

monochromatic

#4B1916 #7A2823 #AA3831 #CC544D #D9827C

Accessibility & contrast

On white

6.33

#AA3831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#AA3831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3831

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3831	#FFFFFF	#000000	##FFFFFF
##AA3831	1.00	6.33	3.32	6.33
#FFFFFF	6.33	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58502F

Deuteranopia (green-blind)

#74692D

Tritanopia (blue-blind)

#BB1937

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3831;
/* rgb */ color: rgb(170, 56, 49);
/* oklch */ color: oklch(50.5% 0.151 27.3);

Tailwind

colors: {
  custom: {
    50: '#cb7569',
    500: '#aa3831',
    950: '#000000',
  },
}

SCSS

$custom: #aa3831;
$custom-light: #cb7569;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3831",
  "rgb": {
    "r": 170,
    "g": 56,
    "b": 49
  },
  "hsl": {
    "h": 3.471,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.5054,
    "c": 0.15065,
    "h": 27.3
  },
  "luminance": 0.11596
}

Semantic roles & 50–950 ramp

primary

#AA3831

secondary

#75BDC2

accent

#D6DF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AA3831

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

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