#AA3750#AA3750

#AA3750 is a mid, vivid red. Relative luminance 0.119; OKLCH L 51.0% C 0.150 H 11.3°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#AA3750
RGB	rgb(170, 55, 80)
HSL	hsl(347, 51%, 44%)
HSV	hsv(347, 68%, 67%)
CMYK	cmyk(0%, 67.6%, 52.9%, 33.3%)
CIE-LAB	lab(40.99, 48.70, 11.61)
CIE-LCH	lch(40.99, 50.06, 13.41°)
OKLab	oklab(51.04% 0.1474 0.0295)
OKLCH	oklch(51.04% 0.15 11.3)
XYZ	xyz(19.3934, 11.8602, 8.8559)
Luminance	0.1186 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3750 #37AA91

analogous

#AA378A #AA3750 #AA5837

triadic

#AA3750 #50AA37 #3750AA

tetradic

#AA3750 #8AAA37 #37AA91 #5837AA

square

#AA3750 #8AAA37 #37AA91 #5837AA

split-complementary

#AA3750 #37AA58 #378AAA

monochromatic

#4E1924 #7C283A #AA3750 #C8566F #D78496

Accessibility & contrast

On white

6.23

#AA3750 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AA3750 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3750

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3750	#FFFFFF	#000000	##FFFFFF
##AA3750	1.00	6.23	3.37	6.23
#FFFFFF	6.23	1.00	21.00	1.00
#000000	3.37	21.00	1.00	21.00
##FFFFFF	6.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#525250

Deuteranopia (green-blind)

#70694D

Tritanopia (blue-blind)

#B92241

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #aa3750;
/* rgb */ color: rgb(170, 55, 80);
/* oklch */ color: oklch(51.0% 0.150 11.3);

Tailwind

colors: {
  custom: {
    50: '#c97580',
    500: '#aa3750',
    950: '#000000',
  },
}

SCSS

$custom: #aa3750;
$custom-light: #c97580;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3750",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 80
  },
  "hsl": {
    "h": 346.957,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.51042,
    "c": 0.15036,
    "h": 11.3
  },
  "luminance": 0.11858
}

Semantic roles & 50–950 ramp

primary

#AA3750

secondary

#7CC1B2

accent

#DBBC4D

background

#FDF7F7

surface

#FAEDEE

border

#D3C8C9

text

#14090A

muted

#837B7C

Preview Lab

Preview with #AA3750

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

Preview Lab → · Contrast checker → · Palette generator →