#AA3727#AA3727

#AA3727 is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.3% C 0.153 H 30.9°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#AA3727
RGB	rgb(170, 55, 39)
HSL	hsl(7, 63%, 41%)
HSV	hsv(7, 77%, 67%)
CMYK	cmyk(0%, 67.6%, 77.1%, 33.3%)
CIE-LAB	lab(40.29, 46.15, 35.59)
CIE-LCH	lch(40.29, 58.27, 37.64°)
OKLab	oklab(50.29% 0.1317 0.0788)
OKLCH	oklch(50.29% 0.153 30.9)
XYZ	xyz(18.3120, 11.4276, 3.1606)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3727 #279AAA

analogous

#AA2758 #AA3727 #AA7827

triadic

#AA3727 #27AA37 #3727AA

tetradic

#AA3727 #58AA27 #279AAA #7827AA

square

#AA3727 #58AA27 #279AAA #7827AA

split-complementary

#AA3727 #27AA78 #2758AA

monochromatic

#461710 #78271C #AA3727 #D24E3C #DE7B6E

Accessibility & contrast

On white

6.39

#AA3727 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#AA3727 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3727

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3727	#FFFFFF	#000000	##FFFFFF
##AA3727	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584F24

Deuteranopia (green-blind)

#746823

Tritanopia (blue-blind)

#BB1434

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #aa3727;
/* rgb */ color: rgb(170, 55, 39);
/* oklch */ color: oklch(50.3% 0.153 30.9);

Tailwind

colors: {
  custom: {
    50: '#cb7462',
    500: '#aa3727',
    950: '#000000',
  },
}

SCSS

$custom: #aa3727;
$custom-light: #cb7462;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3727",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 39
  },
  "hsl": {
    "h": 7.328,
    "s": 62.679,
    "l": 40.98
  },
  "oklch": {
    "l": 0.50291,
    "c": 0.15343,
    "h": 30.9
  },
  "luminance": 0.11425
}

Semantic roles & 50–950 ramp

primary

#AA3727

secondary

#69B9C4

accent

#D2E642

background

#FDF7F5

surface

#FBEDEA

border

#D4C8C6

text

#150905

muted

#837B79

Preview Lab

Preview with #AA3727

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

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