#AA3031#AA3031

#AA3031 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.7% C 0.158 H 24.6°. Best body text is #FFFFFF at 6.61:1 contrast (WCAG AA passes).

Color values

HEX	#AA3031
RGB	rgb(170, 48, 49)
HSL	hsl(360, 56%, 43%)
HSV	hsv(360, 72%, 67%)
CMYK	cmyk(0%, 71.8%, 71.2%, 33.3%)
CIE-LAB	lab(39.39, 49.41, 28.74)
CIE-LCH	lch(39.39, 57.16, 30.18°)
OKLab	oklab(49.65% 0.1441 0.0661)
OKLCH	oklch(49.65% 0.158 24.6)
XYZ	xyz(18.1909, 10.8844, 4.0482)
Luminance	0.1088 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3031 #30AAA9

analogous

#AA306E #AA3031 #AA6C30

triadic

#AA3031 #31AA30 #3031AA

tetradic

#AA3031 #6EAA30 #30AAA9 #6C30AA

square

#AA3031 #6EAA30 #30AAA9 #6C30AA

split-complementary

#AA3031 #30AA6C #306EAA

monochromatic

#4B1515 #7A2323 #AA3031 #CC4B4C #DA7B7C

Accessibility & contrast

On white

6.61

#AA3031 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#AA3031 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3031

6.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3031	#FFFFFF	#000000	##FFFFFF
##AA3031	1.00	6.61	3.18	6.61
#FFFFFF	6.61	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#534C30

Deuteranopia (green-blind)

#71662D

Tritanopia (blue-blind)

#BB0232

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #aa3031;
/* rgb */ color: rgb(170, 48, 49);
/* oklch */ color: oklch(49.7% 0.158 24.6);

Tailwind

colors: {
  custom: {
    50: '#cb7169',
    500: '#aa3031',
    950: '#000000',
  },
}

SCSS

$custom: #aa3031;
$custom-light: #cb7169;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3031",
  "rgb": {
    "r": 170,
    "g": 48,
    "b": 49
  },
  "hsl": {
    "h": 359.508,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.49653,
    "c": 0.15849,
    "h": 24.6
  },
  "luminance": 0.10882
}

Semantic roles & 50–950 ramp

primary

#AA3031

secondary

#74C2C1

accent

#DFDE49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AA3031

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

Preview Lab → · Contrast checker → · Palette generator →