#AA3741#AA3741

#AA3741 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.150 H 19.4°. Best body text is #FFFFFF at 6.30:1 contrast (WCAG AA passes).

Color values

HEX	#AA3741
RGB	rgb(170, 55, 65)
HSL	hsl(355, 51%, 44%)
HSV	hsv(355, 68%, 67%)
CMYK	cmyk(0%, 67.6%, 61.8%, 33.3%)
CIE-LAB	lab(40.67, 47.55, 20.54)
CIE-LCH	lch(40.67, 51.80, 23.36°)
OKLab	oklab(50.7% 0.1414 0.0498)
OKLCH	oklch(50.7% 0.15 19.4)
XYZ	xyz(18.8997, 11.6627, 6.2559)
Luminance	0.1166 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3741 #37AAA0

analogous

#AA377B #AA3741 #AA6737

triadic

#AA3741 #41AA37 #3741AA

tetradic

#AA3741 #7BAA37 #37AAA0 #6737AA

square

#AA3741 #7BAA37 #37AAA0 #6737AA

split-complementary

#AA3741 #37AA67 #377BAA

monochromatic

#4E191E #7C282F #AA3741 #C85660 #D7848B

Accessibility & contrast

On white

6.30

#AA3741 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#AA3741 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3741

6.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3741	#FFFFFF	#000000	##FFFFFF
##AA3741	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)

#555141

Deuteranopia (green-blind)

#72693E

Tritanopia (blue-blind)

#BA1C3B

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3741;
/* rgb */ color: rgb(170, 55, 65);
/* oklch */ color: oklch(50.7% 0.150 19.4);

Tailwind

colors: {
  custom: {
    50: '#ca7575',
    500: '#aa3741',
    950: '#000000',
  },
}

SCSS

$custom: #aa3741;
$custom-light: #ca7575;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3741",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 65
  },
  "hsl": {
    "h": 354.783,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50701,
    "c": 0.1499,
    "h": 19.4
  },
  "luminance": 0.1166
}

Semantic roles & 50–950 ramp

primary

#AA3741

secondary

#7CC1BB

accent

#DBCE4D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA3741

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

Preview Lab → · Contrast checker → · Palette generator →