#AA3940#AA3940

#AA3940 is a mid, vivid red. Relative luminance 0.118; OKLCH L 50.9% C 0.148 H 20.6°. Best body text is #FFFFFF at 6.23:1 contrast (WCAG AA passes).

Color values

HEX	#AA3940
RGB	rgb(170, 57, 64)
HSL	hsl(356, 50%, 45%)
HSV	hsv(356, 66%, 67%)
CMYK	cmyk(0%, 66.5%, 62.4%, 33.3%)
CIE-LAB	lab(40.97, 46.63, 21.54)
CIE-LCH	lch(40.97, 51.37, 24.79°)
OKLab	oklab(50.92% 0.1383 0.052)
OKLCH	oklch(50.92% 0.148 20.6)
XYZ	xyz(18.9680, 11.8451, 6.1370)
Luminance	0.1184 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3940 #39AAA3

analogous

#AA3979 #AA3940 #AA6B39

triadic

#AA3940 #40AA39 #3940AA

tetradic

#AA3940 #79AA39 #39AAA3 #6B39AA

square

#AA3940 #79AA39 #39AAA3 #6B39AA

split-complementary

#AA3940 #39AA6B #3979AA

monochromatic

#4E1A1D #7C2A2F #AA3940 #C75960 #D7878C

Accessibility & contrast

On white

6.23

#AA3940 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.37

#AA3940 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3940

6.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3940	#FFFFFF	#000000	##FFFFFF
##AA3940	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)

#56513F

Deuteranopia (green-blind)

#73693D

Tritanopia (blue-blind)

#BA203C

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #aa3940;
/* rgb */ color: rgb(170, 57, 64);
/* oklch */ color: oklch(50.9% 0.148 20.6);

Tailwind

colors: {
  custom: {
    50: '#ca7674',
    500: '#aa3940',
    950: '#000000',
  },
}

SCSS

$custom: #aa3940;
$custom-light: #ca7674;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3940",
  "rgb": {
    "r": 170,
    "g": 57,
    "b": 64
  },
  "hsl": {
    "h": 356.283,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50915,
    "c": 0.14775,
    "h": 20.6
  },
  "luminance": 0.11842
}

Semantic roles & 50–950 ramp

primary

#AA3940

secondary

#7EC1BD

accent

#D9D14E

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA3940

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

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