#AA3636#AA3636

#AA3636 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.4% C 0.152 H 24.4°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#AA3636
RGB	rgb(170, 54, 54)
HSL	hsl(0, 52%, 44%)
HSV	hsv(0, 68%, 67%)
CMYK	cmyk(0%, 68.2%, 68.2%, 33.3%)
CIE-LAB	lab(40.33, 47.28, 26.86)
CIE-LCH	lch(40.33, 54.38, 29.60°)
OKLab	oklab(50.39% 0.1384 0.0628)
OKLCH	oklch(50.39% 0.152 24.4)
XYZ	xyz(18.5645, 11.4534, 4.7225)
Luminance	0.1145 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3636 #36AAAA

analogous

#AA3670 #AA3636 #AA7036

triadic

#AA3636 #36AA36 #3636AA

tetradic

#AA3636 #70AA36 #36AAAA #7036AA

square

#AA3636 #70AA36 #36AAAA #7036AA

split-complementary

#AA3636 #36AA70 #3670AA

monochromatic

#4D1818 #7C2727 #AA3636 #C95454 #D88383

Accessibility & contrast

On white

6.38

#AA3636 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AA3636 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3636

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3636	#FFFFFF	#000000	##FFFFFF
##AA3636	1.00	6.38	3.29	6.38
#FFFFFF	6.38	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#564F35

Deuteranopia (green-blind)

#736833

Tritanopia (blue-blind)

#BB1637

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #aa3636;
/* rgb */ color: rgb(170, 54, 54);
/* oklch */ color: oklch(50.4% 0.152 24.4);

Tailwind

colors: {
  custom: {
    50: '#ca746d',
    500: '#aa3636',
    950: '#000000',
  },
}

SCSS

$custom: #aa3636;
$custom-light: #ca746d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3636",
  "rgb": {
    "r": 170,
    "g": 54,
    "b": 54
  },
  "hsl": {
    "h": 0,
    "s": 51.786,
    "l": 43.922
  },
  "oklch": {
    "l": 0.50385,
    "c": 0.15194,
    "h": 24.4
  },
  "luminance": 0.11451
}

Semantic roles & 50–950 ramp

primary

#AA3636

secondary

#7BC1C1

accent

#DBDB4D

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AA3636

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

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