#AA3037#AA3037

#AA3037 is a mid, vivid red. Relative luminance 0.109; OKLCH L 49.8% C 0.158 H 22.0°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#AA3037
RGB	rgb(170, 48, 55)
HSL	hsl(357, 56%, 43%)
HSV	hsv(357, 72%, 67%)
CMYK	cmyk(0%, 71.8%, 67.6%, 33.3%)
CIE-LAB	lab(39.48, 49.73, 25.19)
CIE-LCH	lch(39.48, 55.75, 26.87°)
OKLab	oklab(49.75% 0.1463 0.0592)
OKLCH	oklch(49.75% 0.158 22)
XYZ	xyz(18.3261, 10.9385, 4.7601)
Luminance	0.1094 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3037 #30AAA3

analogous

#AA3074 #AA3037 #AA6630

triadic

#AA3037 #37AA30 #3037AA

tetradic

#AA3037 #74AA30 #30AAA3 #6630AA

square

#AA3037 #74AA30 #30AAA3 #6630AA

split-complementary

#AA3037 #30AA66 #3074AA

monochromatic

#4B1518 #7A2328 #AA3037 #CC4B52 #DA7B80

Accessibility & contrast

On white

6.59

#AA3037 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#AA3037 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3037

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3037	#FFFFFF	#000000	##FFFFFF
##AA3037	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#524C36

Deuteranopia (green-blind)

#716733

Tritanopia (blue-blind)

#BB0534

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #aa3037;
/* rgb */ color: rgb(170, 48, 55);
/* oklch */ color: oklch(49.8% 0.158 22.0);

Tailwind

colors: {
  custom: {
    50: '#cb716d',
    500: '#aa3037',
    950: '#000000',
  },
}

SCSS

$custom: #aa3037;
$custom-light: #cb716d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3037",
  "rgb": {
    "r": 170,
    "g": 48,
    "b": 55
  },
  "hsl": {
    "h": 356.557,
    "s": 55.963,
    "l": 42.745
  },
  "oklch": {
    "l": 0.4975,
    "c": 0.15786,
    "h": 22
  },
  "luminance": 0.10936
}

Semantic roles & 50–950 ramp

primary

#AA3037

secondary

#74C2BE

accent

#DFD749

background

#FDF7F6

surface

#FAEDEB

border

#D3C8C6

text

#150807

muted

#837B7A

Preview Lab

Preview with #AA3037

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

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