#AA3F23#AA3F23

#AA3F23 is a mid, vivid red. Relative luminance 0.122; OKLCH L 51.2% C 0.147 H 35.5°. Best body text is #FFFFFF at 6.10:1 contrast (WCAG AA passes).

Color values

HEX	#AA3F23
RGB	rgb(170, 63, 35)
HSL	hsl(12, 66%, 40%)
HSV	hsv(12, 79%, 67%)
CMYK	cmyk(0%, 62.9%, 79.4%, 33.3%)
CIE-LAB	lab(41.57, 42.45, 39.08)
CIE-LCH	lch(41.57, 57.70, 42.63°)
OKLab	oklab(51.24% 0.1194 0.0852)
OKLCH	oklch(51.24% 0.147 35.5)
XYZ	xyz(18.6605, 12.2251, 2.9669)
Luminance	0.1222 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3F23 #238EAA

analogous

#AA234B #AA3F23 #AA8223

triadic

#AA3F23 #23AA3F #3F23AA

tetradic

#AA3F23 #4BAA23 #238EAA #8223AA

square

#AA3F23 #4BAA23 #238EAA #8223AA

split-complementary

#AA3F23 #23AA82 #234BAA

monochromatic

#44190E #772C19 #AA3F23 #D55635 #E08168

Accessibility & contrast

On white

6.10

#AA3F23 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.44

#AA3F23 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3F23

6.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3F23	#FFFFFF	#000000	##FFFFFF
##AA3F23	1.00	6.10	3.44	6.10
#FFFFFF	6.10	1.00	21.00	1.00
#000000	3.44	21.00	1.00	21.00
##FFFFFF	6.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D531F

Deuteranopia (green-blind)

#786B1F

Tritanopia (blue-blind)

#BB2439

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #aa3f23;
/* rgb */ color: rgb(170, 63, 35);
/* oklch */ color: oklch(51.2% 0.147 35.5);

Tailwind

colors: {
  custom: {
    50: '#cb7960',
    500: '#aa3f23',
    950: '#000000',
  },
}

SCSS

$custom: #aa3f23;
$custom-light: #cb7960;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3f23",
  "rgb": {
    "r": 170,
    "g": 63,
    "b": 35
  },
  "hsl": {
    "h": 12.444,
    "s": 65.854,
    "l": 40.196
  },
  "oklch": {
    "l": 0.51241,
    "c": 0.1467,
    "h": 35.5
  },
  "luminance": 0.12222
}

Semantic roles & 50–950 ramp

primary

#AA3F23

secondary

#63B1C6

accent

#C6E93F

background

#FDF7F5

surface

#FBEEE9

border

#D4C9C5

text

#150905

muted

#837B79

Preview Lab

Preview with #AA3F23

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

Preview Lab → · Contrast checker → · Palette generator →