#AA403F#AA403F

#AA403F is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.8% C 0.140 H 23.9°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#AA403F
RGB	rgb(170, 64, 63)
HSL	hsl(1, 46%, 46%)
HSV	hsv(1, 63%, 67%)
CMYK	cmyk(0%, 62.4%, 62.9%, 33.3%)
CIE-LAB	lab(42.11, 43.44, 23.62)
CIE-LCH	lch(42.11, 49.45, 28.53°)
OKLab	oklab(51.77% 0.128 0.0566)
OKLCH	oklch(51.77% 0.14 23.9)
XYZ	xyz(19.3100, 12.5743, 6.1119)
Luminance	0.1257 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA403F #3FA9AA

analogous

#AA3F73 #AA403F #AA753F

triadic

#AA403F #3FAA40 #403FAA

tetradic

#AA403F #73AA3F #3FA9AA #753FAA

square

#AA403F #73AA3F #3FA9AA #753FAA

split-complementary

#AA403F #3FAA75 #3F73AA

monochromatic

#511E1E #7D2F2E #AA403F #C56262 #D58F8E

Accessibility & contrast

On white

5.98

#AA403F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#AA403F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA403F

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA403F	#FFFFFF	#000000	##FFFFFF
##AA403F	1.00	5.98	3.51	5.98
#FFFFFF	5.98	1.00	21.00	1.00
#000000	3.51	21.00	1.00	21.00
##FFFFFF	5.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B553E

Deuteranopia (green-blind)

#766C3C

Tritanopia (blue-blind)

#BA2A41

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #aa403f;
/* rgb */ color: rgb(170, 64, 63);
/* oklch */ color: oklch(51.8% 0.140 23.9);

Tailwind

colors: {
  custom: {
    50: '#c97a74',
    500: '#aa403f',
    950: '#000000',
  },
}

SCSS

$custom: #aa403f;
$custom-light: #c97a74;
$custom-dark: #000000;

JSON

{
  "hex": "#aa403f",
  "rgb": {
    "r": 170,
    "g": 64,
    "b": 63
  },
  "hsl": {
    "h": 0.561,
    "s": 45.923,
    "l": 45.686
  },
  "oklch": {
    "l": 0.51769,
    "c": 0.13997,
    "h": 23.9
  },
  "luminance": 0.12572
}

Semantic roles & 50–950 ramp

primary

#AA403F

secondary

#85C0C0

accent

#D4D652

background

#FDF7F7

surface

#FAEEED

border

#D3C9C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA403F

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

Preview Lab → · Contrast checker → · Palette generator →