#AA3A37#AA3A37

#AA3A37 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.148 H 25.4°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#AA3A37
RGB	rgb(170, 58, 55)
HSL	hsl(2, 51%, 44%)
HSV	hsv(2, 68%, 67%)
CMYK	cmyk(0%, 65.9%, 67.6%, 33.3%)
CIE-LAB	lab(40.98, 45.64, 27.04)
CIE-LCH	lch(40.98, 53.05, 30.65°)
OKLab	oklab(50.87% 0.1334 0.0633)
OKLCH	oklch(50.87% 0.148 25.4)
XYZ	xyz(18.7821, 11.8506, 4.9121)
Luminance	0.1185 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3A37 #37A7AA

analogous

#AA376E #AA3A37 #AA7437

triadic

#AA3A37 #37AA3A #3A37AA

tetradic

#AA3A37 #6EAA37 #37A7AA #7437AA

square

#AA3A37 #6EAA37 #37A7AA #7437AA

split-complementary

#AA3A37 #37AA74 #376EAA

monochromatic

#4E1A19 #7C2A28 #AA3A37 #C85956 #D78684

Accessibility & contrast

On white

6.23

#AA3A37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AA3A37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3A37

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3A37	#FFFFFF	#000000	##FFFFFF
##AA3A37	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#585136

Deuteranopia (green-blind)

#746A34

Tritanopia (blue-blind)

#BB1F3A

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #aa3a37;
/* rgb */ color: rgb(170, 58, 55);
/* oklch */ color: oklch(50.9% 0.148 25.4);

Tailwind

colors: {
  custom: {
    50: '#ca766e',
    500: '#aa3a37',
    950: '#000000',
  },
}

SCSS

$custom: #aa3a37;
$custom-light: #ca766e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3a37",
  "rgb": {
    "r": 170,
    "g": 58,
    "b": 55
  },
  "hsl": {
    "h": 1.565,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50873,
    "c": 0.14765,
    "h": 25.4
  },
  "luminance": 0.11848
}

Semantic roles & 50–950 ramp

primary

#AA3A37

secondary

#7CBFC1

accent

#D7DB4D

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AA3A37

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

Preview Lab → · Contrast checker → · Palette generator →