#AA4037#AA4037

#AA4037 is a mid, vivid red. Relative luminance 0.125; OKLCH L 51.6% C 0.141 H 27.9°. Best body text is #FFFFFF at 6.00:1 contrast (WCAG AA passes).

Color values

HEX	#AA4037
RGB	rgb(170, 64, 55)
HSL	hsl(5, 51%, 44%)
HSV	hsv(5, 68%, 67%)
CMYK	cmyk(0%, 62.4%, 67.6%, 33.3%)
CIE-LAB	lab(41.99, 42.94, 28.27)
CIE-LCH	lch(41.99, 51.41, 33.36°)
OKLab	oklab(51.63% 0.1249 0.066)
OKLCH	oklch(51.63% 0.141 27.9)
XYZ	xyz(19.1025, 12.4913, 5.0188)
Luminance	0.1249 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA4037 #37A1AA

analogous

#AA3768 #AA4037 #AA7A37

triadic

#AA4037 #37AA40 #4037AA

tetradic

#AA4037 #68AA37 #37A1AA #7A37AA

square

#AA4037 #68AA37 #37A1AA #7A37AA

split-complementary

#AA4037 #37AA7A #3768AA

monochromatic

#4E1D19 #7C2F28 #AA4037 #C85F56 #D78B84

Accessibility & contrast

On white

6.00

#AA4037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.50

#AA4037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA4037

6.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA4037	#FFFFFF	#000000	##FFFFFF
##AA4037	1.00	6.00	3.50	6.00
#FFFFFF	6.00	1.00	21.00	1.00
#000000	3.50	21.00	1.00	21.00
##FFFFFF	6.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5535

Deuteranopia (green-blind)

#776C34

Tritanopia (blue-blind)

#BA293F

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #aa4037;
/* rgb */ color: rgb(170, 64, 55);
/* oklch */ color: oklch(51.6% 0.141 27.9);

Tailwind

colors: {
  custom: {
    50: '#ca796e',
    500: '#aa4037',
    950: '#000000',
  },
}

SCSS

$custom: #aa4037;
$custom-light: #ca796e;
$custom-dark: #000000;

JSON

{
  "hex": "#aa4037",
  "rgb": {
    "r": 170,
    "g": 64,
    "b": 55
  },
  "hsl": {
    "h": 4.696,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51631,
    "c": 0.14127,
    "h": 27.9
  },
  "luminance": 0.12489
}

Semantic roles & 50–950 ramp

primary

#AA4037

secondary

#7CBCC1

accent

#D0DB4D

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#140907

muted

#837B7A

Preview Lab

Preview with #AA4037

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

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