#3973AA#3973AA

#3973AA is a mid, moderate cyan. Relative luminance 0.160; OKLCH L 54.2% C 0.106 H 249.3°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3973AA
RGB	rgb(57, 115, 170)
HSL	hsl(209, 50%, 45%)
HSV	hsv(209, 66%, 67%)
CMYK	cmyk(66.5%, 32.4%, 0%, 33.3%)
CIE-LAB	lab(47.02, -1.00, -34.97)
CIE-LCH	lch(47.02, 34.99, 268.37°)
OKLab	oklab(54.21% -0.0374 -0.0989)
OKLCH	oklch(54.21% 0.106 249.3)
XYZ	xyz(15.0711, 16.0321, 40.3227)
Luminance	0.1603 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3973AA #AA7039

analogous

#39AAA9 #3973AA #393AAA

triadic

#3973AA #AA3973 #73AA39

tetradic

#3973AA #A939AA #AA7039 #3AAA39

square

#3973AA #A939AA #AA7039 #3AAA39

split-complementary

#3973AA #AA393A #AAA939

monochromatic

#1A354E #2A547C #3973AA #5992C7 #87B0D7

Accessibility & contrast

On white

4.99

#3973AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#3973AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3973AA

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3973AA	#FFFFFF	#000000	##FFFFFF
##3973AA	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B75AC

Deuteranopia (green-blind)

#4B6BA9

Tritanopia (blue-blind)

#008087

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3973aa;
/* rgb */ color: rgb(57, 115, 170);
/* oklch */ color: oklch(54.2% 0.106 249.3);

Tailwind

colors: {
  custom: {
    50: '#7b9bc3',
    500: '#3973aa',
    950: '#000000',
  },
}

SCSS

$custom: #3973aa;
$custom-light: #7b9bc3;
$custom-dark: #000000;

JSON

{
  "hex": "#3973aa",
  "rgb": {
    "r": 57,
    "g": 115,
    "b": 170
  },
  "hsl": {
    "h": 209.204,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.54211,
    "c": 0.10578,
    "h": 249.3
  },
  "luminance": 0.16034
}

Semantic roles & 50–950 ramp

primary

#3973AA

secondary

#C19F7E

accent

#924ED9

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #3973AA

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

Preview Lab → · Contrast checker → · Palette generator →