#AA3742#AA3742

#AA3742 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.150 H 18.9°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#AA3742
RGB	rgb(170, 55, 66)
HSL	hsl(354, 51%, 44%)
HSV	hsv(354, 68%, 67%)
CMYK	cmyk(0%, 67.6%, 61.2%, 33.3%)
CIE-LAB	lab(40.69, 47.62, 19.95)
CIE-LCH	lch(40.69, 51.63, 22.73°)
OKLab	oklab(50.72% 0.1418 0.0485)
OKLCH	oklch(50.72% 0.15 18.9)
XYZ	xyz(18.9290, 11.6744, 6.4098)
Luminance	0.1167 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3742 #37AA9F

analogous

#AA377C #AA3742 #AA6637

triadic

#AA3742 #42AA37 #3742AA

tetradic

#AA3742 #7CAA37 #37AA9F #6637AA

square

#AA3742 #7CAA37 #37AA9F #6637AA

split-complementary

#AA3742 #37AA66 #377CAA

monochromatic

#4E191E #7C2830 #AA3742 #C85661 #D7848C

Accessibility & contrast

On white

6.30

#AA3742 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AA3742 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3742

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3742	#FFFFFF	#000000	##FFFFFF
##AA3742	1.00	6.30	3.33	6.30
#FFFFFF	6.30	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555142

Deuteranopia (green-blind)

#72693F

Tritanopia (blue-blind)

#BA1D3C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3742;
/* rgb */ color: rgb(170, 55, 66);
/* oklch */ color: oklch(50.7% 0.150 18.9);

Tailwind

colors: {
  custom: {
    50: '#ca7576',
    500: '#aa3742',
    950: '#000000',
  },
}

SCSS

$custom: #aa3742;
$custom-light: #ca7576;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3742",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 66
  },
  "hsl": {
    "h": 354.261,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50721,
    "c": 0.14986,
    "h": 18.9
  },
  "luminance": 0.11672
}

Semantic roles & 50–950 ramp

primary

#AA3742

secondary

#7CC1BA

accent

#DBCD4D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA3742

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

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