#AA4537#AA4537

#AA4537 is a mid, vivid red. Relative luminance 0.131; OKLCH L 52.3% C 0.136 H 30.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#AA4537
RGB	rgb(170, 69, 55)
HSL	hsl(7, 51%, 44%)
HSV	hsv(7, 68%, 67%)
CMYK	cmyk(0%, 59.4%, 67.6%, 33.3%)
CIE-LAB	lab(42.88, 40.56, 29.35)
CIE-LCH	lch(42.88, 50.07, 35.89°)
OKLab	oklab(52.31% 0.1175 0.0684)
OKLCH	oklch(52.31% 0.136 30.2)
XYZ	xyz(19.3972, 13.0807, 5.1171)
Luminance	0.1308 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA4537 #379CAA

analogous

#AA3763 #AA4537 #AA7F37

triadic

#AA4537 #37AA45 #4537AA

tetradic

#AA4537 #63AA37 #379CAA #7F37AA

square

#AA4537 #63AA37 #379CAA #7F37AA

split-complementary

#AA4537 #37AA7F #3763AA

monochromatic

#4E1F19 #7C3228 #AA4537 #C86456 #D78E84

Accessibility & contrast

On white

5.81

#AA4537 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#AA4537 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA4537

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA4537	#FFFFFF	#000000	##FFFFFF
##AA4537	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#605835

Deuteranopia (green-blind)

#796D34

Tritanopia (blue-blind)

#BA3042

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #aa4537;
/* rgb */ color: rgb(170, 69, 55);
/* oklch */ color: oklch(52.3% 0.136 30.2);

Tailwind

colors: {
  custom: {
    50: '#ca7c6e',
    500: '#aa4537',
    950: '#000000',
  },
}

SCSS

$custom: #aa4537;
$custom-light: #ca7c6e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa4537",
  "rgb": {
    "r": 170,
    "g": 69,
    "b": 55
  },
  "hsl": {
    "h": 7.304,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.52308,
    "c": 0.13594,
    "h": 30.2
  },
  "luminance": 0.13078
}

Semantic roles & 50–950 ramp

primary

#AA4537

secondary

#7CB9C1

accent

#C9DB4D

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#140A07

muted

#837C7A

Preview Lab

Preview with #AA4537

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

Preview Lab → · Contrast checker → · Palette generator →