#AA3331#AA3331

#AA3331 is a mid, vivid red. Relative luminance 0.111; OKLCH L 50.0% C 0.156 H 25.6°. Best body text is #FFFFFF at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#AA3331
RGB	rgb(170, 51, 49)
HSL	hsl(1, 55%, 43%)
HSV	hsv(1, 71%, 67%)
CMYK	cmyk(0%, 70%, 71.2%, 33.3%)
CIE-LAB	lab(39.81, 48.24, 29.24)
CIE-LCH	lch(39.81, 56.41, 31.22°)
OKLab	oklab(49.97% 0.1403 0.0672)
OKLCH	oklch(49.97% 0.156 25.6)
XYZ	xyz(18.3178, 11.1381, 4.0905)
Luminance	0.1114 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3331 #31A8AA

analogous

#AA316B #AA3331 #AA7031

triadic

#AA3331 #31AA33 #3331AA

tetradic

#AA3331 #6BAA31 #31A8AA #7031AA

square

#AA3331 #6BAA31 #31A8AA #7031AA

split-complementary

#AA3331 #31AA70 #316BAA

monochromatic

#4B1616 #7A2523 #AA3331 #CC4F4D #D97E7C

Accessibility & contrast

On white

6.51

#AA3331 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.23

#AA3331 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3331

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3331	#FFFFFF	#000000	##FFFFFF
##AA3331	1.00	6.51	3.23	6.51
#FFFFFF	6.51	1.00	21.00	1.00
#000000	3.23	21.00	1.00	21.00
##FFFFFF	6.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D30

Deuteranopia (green-blind)

#72672D

Tritanopia (blue-blind)

#BB0C34

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #aa3331;
/* rgb */ color: rgb(170, 51, 49);
/* oklch */ color: oklch(50.0% 0.156 25.6);

Tailwind

colors: {
  custom: {
    50: '#cb7269',
    500: '#aa3331',
    950: '#000000',
  },
}

SCSS

$custom: #aa3331;
$custom-light: #cb7269;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3331",
  "rgb": {
    "r": 170,
    "g": 51,
    "b": 49
  },
  "hsl": {
    "h": 0.992,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49972,
    "c": 0.1556,
    "h": 25.6
  },
  "luminance": 0.11135
}

Semantic roles & 50–950 ramp

primary

#AA3331

secondary

#75C1C2

accent

#DCDF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AA3331

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

Preview Lab → · Contrast checker → · Palette generator →