#AA3723#AA3723

#AA3723 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.2% C 0.154 H 32.3°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#AA3723
RGB	rgb(170, 55, 35)
HSL	hsl(9, 66%, 40%)
HSV	hsv(9, 79%, 67%)
CMYK	cmyk(0%, 67.6%, 79.4%, 33.3%)
CIE-LAB	lab(40.25, 45.99, 37.74)
CIE-LCH	lch(40.25, 59.50, 39.37°)
OKLab	oklab(50.25% 0.1304 0.0823)
OKLCH	oklch(50.25% 0.154 32.3)
XYZ	xyz(18.2492, 11.4025, 2.8298)
Luminance	0.1140 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3723 #2396AA

analogous

#AA2352 #AA3723 #AA7B23

triadic

#AA3723 #23AA37 #3723AA

tetradic

#AA3723 #52AA23 #2396AA #7B23AA

square

#AA3723 #52AA23 #2396AA #7B23AA

split-complementary

#AA3723 #23AA7B #2352AA

monochromatic

#44160E #772719 #AA3723 #D54D35 #E07968

Accessibility & contrast

On white

6.40

#AA3723 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#AA3723 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3723

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3723	#FFFFFF	#000000	##FFFFFF
##AA3723	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F20

Deuteranopia (green-blind)

#75681E

Tritanopia (blue-blind)

#BB1333

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #aa3723;
/* rgb */ color: rgb(170, 55, 35);
/* oklch */ color: oklch(50.2% 0.154 32.3);

Tailwind

colors: {
  custom: {
    50: '#cc745f',
    500: '#aa3723',
    950: '#000000',
  },
}

SCSS

$custom: #aa3723;
$custom-light: #cc745f;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3723",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 35
  },
  "hsl": {
    "h": 8.889,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.50247,
    "c": 0.15419,
    "h": 32.3
  },
  "luminance": 0.114
}

Semantic roles & 50–950 ramp

primary

#AA3723

secondary

#63B7C6

accent

#D0E93F

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AA3723

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

Preview Lab → · Contrast checker → · Palette generator →