#AA312B#AA312B

#AA312B is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.7% C 0.158 H 27.4°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#AA312B
RGB	rgb(170, 49, 43)
HSL	hsl(3, 60%, 42%)
HSV	hsv(3, 75%, 67%)
CMYK	cmyk(0%, 71.2%, 74.7%, 33.3%)
CIE-LAB	lab(39.45, 48.75, 32.38)
CIE-LCH	lch(39.45, 58.52, 33.59°)
OKLab	oklab(49.67% 0.1407 0.0728)
OKLCH	oklch(49.67% 0.158 27.4)
XYZ	xyz(18.1140, 10.9198, 3.4390)
Luminance	0.1092 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA312B #2BA4AA

analogous

#AA2B64 #AA312B #AA712B

triadic

#AA312B #2BAA31 #312BAA

tetradic

#AA312B #64AA2B #2BA4AA #712BAA

square

#AA312B #64AA2B #2BA4AA #712BAA

split-complementary

#AA312B #2BAA71 #2B64AA

monochromatic

#481512 #79231F #AA312B #CF4943 #DC7974

Accessibility & contrast

On white

6.60

#AA312B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#AA312B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA312B

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA312B	#FFFFFF	#000000	##FFFFFF
##AA312B	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544C29

Deuteranopia (green-blind)

#726727

Tritanopia (blue-blind)

#BB0231

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #aa312b;
/* rgb */ color: rgb(170, 49, 43);
/* oklch */ color: oklch(49.7% 0.158 27.4);

Tailwind

colors: {
  custom: {
    50: '#cb7165',
    500: '#aa312b',
    950: '#000000',
  },
}

SCSS

$custom: #aa312b;
$custom-light: #cb7165;
$custom-dark: #000000;

JSON

{
  "hex": "#aa312b",
  "rgb": {
    "r": 170,
    "g": 49,
    "b": 43
  },
  "hsl": {
    "h": 2.835,
    "s": 59.624,
    "l": 41.765
  },
  "oklch": {
    "l": 0.49672,
    "c": 0.15837,
    "h": 27.4
  },
  "luminance": 0.10917
}

Semantic roles & 50–950 ramp

primary

#AA312B

secondary

#6EBFC3

accent

#DBE345

background

#FDF7F6

surface

#FBEDEB

border

#D4C8C6

text

#150805

muted

#837B7A

Preview Lab

Preview with #AA312B

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

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