#AA403D#AA403D

#AA403D is a mid, vivid red. Relative luminance 0.126; OKLCH L 51.7% C 0.140 H 24.9°. Best body text is #FFFFFF at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#AA403D
RGB	rgb(170, 64, 61)
HSL	hsl(2, 47%, 45%)
HSV	hsv(2, 64%, 67%)
CMYK	cmyk(0%, 62.4%, 64.1%, 33.3%)
CIE-LAB	lab(42.08, 43.31, 24.79)
CIE-LCH	lch(42.08, 49.90, 29.79°)
OKLab	oklab(51.73% 0.1272 0.059)
OKLCH	oklch(51.73% 0.14 24.9)
XYZ	xyz(19.2551, 12.5523, 5.8229)
Luminance	0.1255 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA403D #3DA7AA

analogous

#AA3D71 #AA403D #AA763D

triadic

#AA403D #3DAA40 #403DAA

tetradic

#AA403D #71AA3D #3DA7AA #763DAA

square

#AA403D #71AA3D #3DA7AA #763DAA

split-complementary

#AA403D #3DAA76 #3D71AA

monochromatic

#501E1D #7D2F2D #AA403D #C5625F #D68E8C

Accessibility & contrast

On white

5.98

#AA403D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.51

#AA403D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA403D

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA403D	#FFFFFF	#000000	##FFFFFF
##AA403D	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)

#5B553C

Deuteranopia (green-blind)

#766C3A

Tritanopia (blue-blind)

#BA2A40

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #aa403d;
/* rgb */ color: rgb(170, 64, 61);
/* oklch */ color: oklch(51.7% 0.140 24.9);

Tailwind

colors: {
  custom: {
    50: '#c97a72',
    500: '#aa403d',
    950: '#000000',
  },
}

SCSS

$custom: #aa403d;
$custom-light: #c97a72;
$custom-dark: #000000;

JSON

{
  "hex": "#aa403d",
  "rgb": {
    "r": 170,
    "g": 64,
    "b": 61
  },
  "hsl": {
    "h": 1.651,
    "s": 47.186,
    "l": 45.294
  },
  "oklch": {
    "l": 0.51732,
    "c": 0.14025,
    "h": 24.9
  },
  "luminance": 0.1255
}

Semantic roles & 50–950 ramp

primary

#AA403D

secondary

#82BFC0

accent

#D3D751

background

#FDF7F6

surface

#FAEEEC

border

#D3C9C7

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA403D

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

Preview Lab → · Contrast checker → · Palette generator →