#AA3743#AA3743

#AA3743 is a mid, vivid red. Relative luminance 0.117; OKLCH L 50.7% C 0.150 H 18.4°. Best body text is #FFFFFF at 6.29:1 contrast (WCAG AA passes).

Color values

HEX	#AA3743
RGB	rgb(170, 55, 67)
HSL	hsl(354, 51%, 44%)
HSV	hsv(354, 68%, 67%)
CMYK	cmyk(0%, 67.6%, 60.6%, 33.3%)
CIE-LAB	lab(40.71, 47.69, 19.35)
CIE-LCH	lch(40.71, 51.46, 22.09°)
OKLab	oklab(50.74% 0.1422 0.0472)
OKLCH	oklch(50.74% 0.15 18.4)
XYZ	xyz(18.9587, 11.6863, 6.5665)
Luminance	0.1168 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA3743 #37AA9E

analogous

#AA377D #AA3743 #AA6537

triadic

#AA3743 #43AA37 #3743AA

tetradic

#AA3743 #7DAA37 #37AA9E #6537AA

square

#AA3743 #7DAA37 #37AA9E #6537AA

split-complementary

#AA3743 #37AA65 #377DAA

monochromatic

#4E191F #7C2831 #AA3743 #C85662 #D7848D

Accessibility & contrast

On white

6.29

#AA3743 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#AA3743 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA3743

6.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA3743	#FFFFFF	#000000	##FFFFFF
##AA3743	1.00	6.29	3.34	6.29
#FFFFFF	6.29	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#555143

Deuteranopia (green-blind)

#726940

Tritanopia (blue-blind)

#BA1D3C

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #aa3743;
/* rgb */ color: rgb(170, 55, 67);
/* oklch */ color: oklch(50.7% 0.150 18.4);

Tailwind

colors: {
  custom: {
    50: '#ca7577',
    500: '#aa3743',
    950: '#000000',
  },
}

SCSS

$custom: #aa3743;
$custom-light: #ca7577;
$custom-dark: #000000;

JSON

{
  "hex": "#aa3743",
  "rgb": {
    "r": 170,
    "g": 55,
    "b": 67
  },
  "hsl": {
    "h": 353.739,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50742,
    "c": 0.14983,
    "h": 18.4
  },
  "luminance": 0.11684
}

Semantic roles & 50–950 ramp

primary

#AA3743

secondary

#7CC1BA

accent

#DBCC4D

background

#FDF7F7

surface

#FAEDED

border

#D3C8C8

text

#140908

muted

#837B7B

Preview Lab

Preview with #AA3743

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

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