#AA3531#AA3531

#AA3531 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.154 H 26.3°. Best body text is #FFFFFF at 6.44:1 contrast (WCAG AA passes).

Color values

HEX	#AA3531
RGB	rgb(170, 53, 49)
HSL	hsl(2, 55%, 43%)
HSV	hsv(2, 71%, 67%)
CMYK	cmyk(0%, 68.8%, 71.2%, 33.3%)
CIE-LAB	lab(40.11, 47.43, 29.59)
CIE-LCH	lch(40.11, 55.91, 31.96°)
OKLab	oklab(50.19% 0.1378 0.068)
OKLCH	oklch(50.19% 0.154 26.3)
XYZ	xyz(18.4070, 11.3167, 4.1202)
Luminance	0.1131 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3531 #31A6AA

analogous

#AA316A #AA3531 #AA7131

triadic

#AA3531 #31AA35 #3531AA

tetradic

#AA3531 #6AAA31 #31A6AA #7131AA

square

#AA3531 #6AAA31 #31A6AA #7131AA

split-complementary

#AA3531 #31AA71 #316AAA

monochromatic

#4B1716 #7A2623 #AA3531 #CC514D #D97F7C

Accessibility & contrast

On white

6.44

#AA3531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#AA3531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3531

6.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3531	#FFFFFF	#000000	##FFFFFF
##AA3531	1.00	6.44	3.26	6.44
#FFFFFF	6.44	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564E30

Deuteranopia (green-blind)

#73682D

Tritanopia (blue-blind)

#BB1235

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #aa3531;
/* rgb */ color: rgb(170, 53, 49);
/* oklch */ color: oklch(50.2% 0.154 26.3);

Tailwind

colors: {
  custom: {
    50: '#cb7369',
    500: '#aa3531',
    950: '#000000',
  },
}

SCSS

$custom: #aa3531;
$custom-light: #cb7369;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3531",
  "rgb": {
    "r": 170,
    "g": 53,
    "b": 49
  },
  "hsl": {
    "h": 1.983,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.50193,
    "c": 0.15364,
    "h": 26.3
  },
  "luminance": 0.11314
}

Semantic roles & 50–950 ramp

primary

#AA3531

secondary

#75BFC2

accent

#DADF49

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AA3531

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

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