#AA3437#AA3437

#AA3437 is a mid, vivid red. Relative luminance 0.113; OKLCH L 50.2% C 0.154 H 23.3°. Best body text is #FFFFFF at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#AA3437
RGB	rgb(170, 52, 55)
HSL	hsl(358, 53%, 44%)
HSV	hsv(358, 69%, 67%)
CMYK	cmyk(0%, 69.4%, 67.6%, 33.3%)
CIE-LAB	lab(40.05, 48.16, 25.90)
CIE-LCH	lch(40.05, 54.68, 28.27°)
OKLab	oklab(50.18% 0.1414 0.0608)
OKLCH	oklch(50.18% 0.154 23.3)
XYZ	xyz(18.4971, 11.2805, 4.8171)
Luminance	0.1128 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3437 #34AAA7

analogous

#AA3472 #AA3437 #AA6C34

triadic

#AA3437 #37AA34 #3437AA

tetradic

#AA3437 #72AA34 #34AAA7 #6C34AA

square

#AA3437 #72AA34 #34AAA7 #6C34AA

split-complementary

#AA3437 #34AA6C #3472AA

monochromatic

#4C1719 #7B2628 #AA3437 #CA5154 #D88082

Accessibility & contrast

On white

6.45

#AA3437 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.26

#AA3437 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3437

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3437	#FFFFFF	#000000	##FFFFFF
##AA3437	1.00	6.45	3.26	6.45
#FFFFFF	6.45	1.00	21.00	1.00
#000000	3.26	21.00	1.00	21.00
##FFFFFF	6.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544E36

Deuteranopia (green-blind)

#726834

Tritanopia (blue-blind)

#BB1236

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #aa3437;
/* rgb */ color: rgb(170, 52, 55);
/* oklch */ color: oklch(50.2% 0.154 23.3);

Tailwind

colors: {
  custom: {
    50: '#ca736e',
    500: '#aa3437',
    950: '#000000',
  },
}

SCSS

$custom: #aa3437;
$custom-light: #ca736e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3437",
  "rgb": {
    "r": 170,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 358.475,
    "s": 53.153,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50177,
    "c": 0.15387,
    "h": 23.3
  },
  "luminance": 0.11278
}

Semantic roles & 50–950 ramp

primary

#AA3437

secondary

#78C1C0

accent

#DDD94B

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AA3437

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

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