#AA3748#AA3748

#AA3748 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.8% C 0.150 H 15.7°. Best body text is #FFFFFF at 6.27:1 contrast (WCAG AA passes).

Color values

HEX	#AA3748
RGB	rgb(170, 55, 72)
HSL	hsl(351, 51%, 44%)
HSV	hsv(351, 68%, 67%)
CMYK	cmyk(0%, 67.6%, 57.6%, 33.3%)
CIE-LAB	lab(40.81, 48.05, 16.37)
CIE-LCH	lch(40.81, 50.77, 18.81°)
OKLab	oklab(50.85% 0.1442 0.0405)
OKLCH	oklch(50.85% 0.15 15.7)
XYZ	xyz(19.1152, 11.7489, 7.3908)
Luminance	0.1175 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3748 #37AA99

analogous

#AA3782 #AA3748 #AA5F37

triadic

#AA3748 #48AA37 #3748AA

tetradic

#AA3748 #82AA37 #37AA99 #5F37AA

square

#AA3748 #82AA37 #37AA99 #5F37AA

split-complementary

#AA3748 #37AA5F #3782AA

monochromatic

#4E1921 #7C2834 #AA3748 #C85667 #D78490

Accessibility & contrast

On white

6.27

#AA3748 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#AA3748 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3748

6.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3748	#FFFFFF	#000000	##FFFFFF
##AA3748	1.00	6.27	3.35	6.27
#FFFFFF	6.27	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#545148

Deuteranopia (green-blind)

#716945

Tritanopia (blue-blind)

#BA1F3E

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3748;
/* rgb */ color: rgb(170, 55, 72);
/* oklch */ color: oklch(50.8% 0.150 15.7);

Tailwind

colors: {
  custom: {
    50: '#c9757a',
    500: '#aa3748',
    950: '#000000',
  },
}

SCSS

$custom: #aa3748;
$custom-light: #c9757a;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3748",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 72
  },
  "hsl": {
    "h": 351.13,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5085,
    "c": 0.14982,
    "h": 15.7
  },
  "luminance": 0.11746
}

Semantic roles & 50–950 ramp

primary

#AA3748

secondary

#7CC1B7

accent

#DBC64D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140909

muted

#837B7B

Preview Lab

Preview with #AA3748

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

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