#AA3133#AA3133

#AA3133 is a mid, vivid red. Relative luminance 0.110; OKLCH L 49.8% C 0.157 H 24.1°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#AA3133
RGB	rgb(170, 49, 51)
HSL	hsl(359, 55%, 43%)
HSV	hsv(359, 71%, 67%)
CMYK	cmyk(0%, 71.2%, 70%, 33.3%)
CIE-LAB	lab(39.55, 49.13, 27.73)
CIE-LCH	lch(39.55, 56.42, 29.44°)
OKLab	oklab(49.79% 0.1436 0.0642)
OKLCH	oklch(49.79% 0.157 24.1)
XYZ	xyz(18.2754, 10.9844, 4.2892)
Luminance	0.1098 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3133 #31AAA8

analogous

#AA3170 #AA3133 #AA6B31

triadic

#AA3133 #33AA31 #3133AA

tetradic

#AA3133 #70AA31 #31AAA8 #6B31AA

square

#AA3133 #70AA31 #31AAA8 #6B31AA

split-complementary

#AA3133 #31AA6B #3170AA

monochromatic

#4B1616 #7A2325 #AA3133 #CC4D4F #D97C7E

Accessibility & contrast

On white

6.57

#AA3133 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#AA3133 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3133

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3133	#FFFFFF	#000000	##FFFFFF
##AA3133	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534D32

Deuteranopia (green-blind)

#71672F

Tritanopia (blue-blind)

#BB0633

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #aa3133;
/* rgb */ color: rgb(170, 49, 51);
/* oklch */ color: oklch(49.8% 0.157 24.1);

Tailwind

colors: {
  custom: {
    50: '#cb716b',
    500: '#aa3133',
    950: '#000000',
  },
}

SCSS

$custom: #aa3133;
$custom-light: #cb716b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3133",
  "rgb": {
    "r": 170,
    "g": 49,
    "b": 51
  },
  "hsl": {
    "h": 359.008,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.49788,
    "c": 0.15729,
    "h": 24.1
  },
  "luminance": 0.10982
}

Semantic roles & 50–950 ramp

primary

#AA3133

secondary

#75C2C1

accent

#DFDC49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AA3133

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

Preview Lab → · Contrast checker → · Palette generator →