#AA3D37#AA3D37

#AA3D37 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.2% C 0.144 H 26.6°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#AA3D37
RGB	rgb(170, 61, 55)
HSL	hsl(3, 51%, 44%)
HSV	hsv(3, 68%, 67%)
CMYK	cmyk(0%, 64.1%, 67.6%, 33.3%)
CIE-LAB	lab(41.47, 44.31, 27.64)
CIE-LCH	lch(41.47, 52.22, 31.96°)
OKLab	oklab(51.24% 0.1292 0.0647)
OKLCH	oklch(51.24% 0.144 26.6)
XYZ	xyz(18.9378, 12.1620, 4.9640)
Luminance	0.1216 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3D37 #37A4AA

analogous

#AA376B #AA3D37 #AA7737

triadic

#AA3D37 #37AA3D #3D37AA

tetradic

#AA3D37 #6BAA37 #37A4AA #7737AA

square

#AA3D37 #6BAA37 #37A4AA #7737AA

split-complementary

#AA3D37 #37AA77 #376BAA

monochromatic

#4E1C19 #7C2C28 #AA3D37 #C85C56 #D78884

Accessibility & contrast

On white

6.12

#AA3D37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#AA3D37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3D37

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3D37	#FFFFFF	#000000	##FFFFFF
##AA3D37	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5336

Deuteranopia (green-blind)

#756B34

Tritanopia (blue-blind)

#BB243C

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #aa3d37;
/* rgb */ color: rgb(170, 61, 55);
/* oklch */ color: oklch(51.2% 0.144 26.6);

Tailwind

colors: {
  custom: {
    50: '#ca786e',
    500: '#aa3d37',
    950: '#000000',
  },
}

SCSS

$custom: #aa3d37;
$custom-light: #ca786e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3d37",
  "rgb": {
    "r": 170,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 3.13,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51244,
    "c": 0.14446,
    "h": 26.6
  },
  "luminance": 0.12159
}

Semantic roles & 50–950 ramp

primary

#AA3D37

secondary

#7CBDC1

accent

#D3DB4D

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150907

muted

#837B7A

Preview Lab

Preview with #AA3D37

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

Preview Lab → · Contrast checker → · Palette generator →