#AA3E1B#AA3E1B

#AA3E1B is a mid, vivid red. Relative luminance 0.121; OKLCH L 51.0% C 0.149 H 37.4°. Best body text is #FFFFFF at 6.15:1 contrast (WCAG AA passes).

Color values

HEX	#AA3E1B
RGB	rgb(170, 62, 27)
HSL	hsl(15, 73%, 39%)
HSV	hsv(15, 84%, 67%)
CMYK	cmyk(0%, 63.5%, 84.1%, 33.3%)
CIE-LAB	lab(41.33, 42.65, 42.83)
CIE-LCH	lch(41.33, 60.44, 45.12°)
OKLab	oklab(51.04% 0.1186 0.0908)
OKLCH	oklch(51.04% 0.149 37.4)
XYZ	xyz(18.5001, 12.0731, 2.3929)
Luminance	0.1207 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3E1B #1B87AA

analogous

#AA1B3F #AA3E1B #AA851B

triadic

#AA3E1B #1BAA3E #3E1BAA

tetradic

#AA3E1B #3FAA1B #1B87AA #851BAA

square

#AA3E1B #3FAA1B #1B87AA #851BAA

split-complementary

#AA3E1B #1BAA85 #1B3FAA

monochromatic

#40170A #752B13 #AA3E1B #DC5226 #E57C5B

Accessibility & contrast

On white

6.15

#AA3E1B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.41

#AA3E1B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3E1B

6.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3E1B	#FFFFFF	#000000	##FFFFFF
##AA3E1B	1.00	6.15	3.41	6.15
#FFFFFF	6.15	1.00	21.00	1.00
#000000	3.41	21.00	1.00	21.00
##FFFFFF	6.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5215

Deuteranopia (green-blind)

#786A16

Tritanopia (blue-blind)

#BB2137

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #aa3e1b;
/* rgb */ color: rgb(170, 62, 27);
/* oklch */ color: oklch(51.0% 0.149 37.4);

Tailwind

colors: {
  custom: {
    50: '#cc785b',
    500: '#aa3e1b',
    950: '#000000',
  },
}

SCSS

$custom: #aa3e1b;
$custom-light: #cc785b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3e1b",
  "rgb": {
    "r": 170,
    "g": 62,
    "b": 27
  },
  "hsl": {
    "h": 14.685,
    "s": 72.589,
    "l": 38.627
  },
  "oklch": {
    "l": 0.51039,
    "c": 0.14939,
    "h": 37.4
  },
  "luminance": 0.1207
}

Semantic roles & 50–950 ramp

primary

#AA3E1B

secondary

#58ADC9

accent

#C3EF39

background

#FDF7F5

surface

#FBEDE9

border

#D4C8C5

text

#150904

muted

#837B79

Preview Lab

Preview with #AA3E1B

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

Preview Lab → · Contrast checker → · Palette generator →