#AA3F33#AA3F33

#AA3F33 is a mid, vivid red. Relative luminance 0.123; OKLCH L 51.4% C 0.143 H 29.3°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#AA3F33
RGB	rgb(170, 63, 51)
HSL	hsl(6, 54%, 43%)
HSV	hsv(6, 70%, 67%)
CMYK	cmyk(0%, 62.9%, 70%, 33.3%)
CIE-LAB	lab(41.76, 43.17, 30.35)
CIE-LCH	lch(41.76, 52.77, 35.11°)
OKLab	oklab(51.44% 0.1248 0.07)
OKLCH	oklch(51.44% 0.143 29.3)
XYZ	xyz(18.9546, 12.3427, 4.5156)
Luminance	0.1234 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3F33 #339EAA

analogous

#AA3363 #AA3F33 #AA7A33

triadic

#AA3F33 #33AA3F #3F33AA

tetradic

#AA3F33 #63AA33 #339EAA #7A33AA

square

#AA3F33 #63AA33 #339EAA #7A33AA

split-complementary

#AA3F33 #33AA7A #3363AA

monochromatic

#4C1C17 #7B2E25 #AA3F33 #CA5C50 #D9887F

Accessibility & contrast

On white

6.06

#AA3F33 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#AA3F33 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3F33

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3F33	#FFFFFF	#000000	##FFFFFF
##AA3F33	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C5431

Deuteranopia (green-blind)

#776B30

Tritanopia (blue-blind)

#BB263D

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #aa3f33;
/* rgb */ color: rgb(170, 63, 51);
/* oklch */ color: oklch(51.4% 0.143 29.3);

Tailwind

colors: {
  custom: {
    50: '#ca796b',
    500: '#aa3f33',
    950: '#000000',
  },
}

SCSS

$custom: #aa3f33;
$custom-light: #ca796b;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3f33",
  "rgb": {
    "r": 170,
    "g": 63,
    "b": 51
  },
  "hsl": {
    "h": 6.05,
    "s": 53.846,
    "l": 43.333
  },
  "oklch": {
    "l": 0.51439,
    "c": 0.1431,
    "h": 29.3
  },
  "luminance": 0.1234
}

Semantic roles & 50–950 ramp

primary

#AA3F33

secondary

#77BAC2

accent

#CEDD4B

background

#FDF7F6

surface

#FAEEEB

border

#D3C9C6

text

#150906

muted

#837B7A

Preview Lab

Preview with #AA3F33

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

Preview Lab → · Contrast checker → · Palette generator →