#AA3540#AA3540

#AA3540 is a mid, vivid red. Relative luminance 0.115; OKLCH L 50.5% C 0.152 H 19.2°. Best body text is #FFFFFF at 6.38:1 contrast (WCAG AA passes).

Color values

HEX	#AA3540
RGB	rgb(170, 53, 64)
HSL	hsl(354, 52%, 44%)
HSV	hsv(354, 69%, 67%)
CMYK	cmyk(0%, 68.8%, 62.4%, 33.3%)
CIE-LAB	lab(40.35, 48.31, 20.74)
CIE-LCH	lch(40.35, 52.57, 23.24°)
OKLab	oklab(50.46% 0.1436 0.0501)
OKLCH	oklch(50.46% 0.152 19.2)
XYZ	xyz(18.7779, 11.4651, 6.0737)
Luminance	0.1146 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3540 #35AA9F

analogous

#AA357A #AA3540 #AA6435

triadic

#AA3540 #40AA35 #3540AA

tetradic

#AA3540 #7AAA35 #35AA9F #6435AA

square

#AA3540 #7AAA35 #35AA9F #6435AA

split-complementary

#AA3540 #35AA64 #357AAA

monochromatic

#4D181D #7B262E #AA3540 #C9535E #D8828A

Accessibility & contrast

On white

6.38

#AA3540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AA3540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3540

6.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3540	#FFFFFF	#000000	##FFFFFF
##AA3540	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)

#544F40

Deuteranopia (green-blind)

#71683D

Tritanopia (blue-blind)

#BA183A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #aa3540;
/* rgb */ color: rgb(170, 53, 64);
/* oklch */ color: oklch(50.5% 0.152 19.2);

Tailwind

colors: {
  custom: {
    50: '#ca7474',
    500: '#aa3540',
    950: '#000000',
  },
}

SCSS

$custom: #aa3540;
$custom-light: #ca7474;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3540",
  "rgb": {
    "r": 170,
    "g": 53,
    "b": 64
  },
  "hsl": {
    "h": 354.359,
    "s": 52.466,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50455,
    "c": 0.15213,
    "h": 19.2
  },
  "luminance": 0.11462
}

Semantic roles & 50–950 ramp

primary

#AA3540

secondary

#7AC1BB

accent

#DCCE4C

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA3540

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

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