#3972BD#3972BD

#3972BD is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.1% C 0.132 H 256.2°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3972BD
RGB	rgb(57, 114, 189)
HSL	hsl(214, 54%, 48%)
HSV	hsv(214, 70%, 74%)
CMYK	cmyk(69.8%, 39.7%, 0%, 25.9%)
CIE-LAB	lab(47.72, 6.42, -44.89)
CIE-LCH	lch(47.72, 45.35, 278.14°)
OKLab	oklab(55.09% -0.0314 -0.1279)
OKLCH	oklch(55.09% 0.132 256.2)
XYZ	xyz(16.8866, 16.5768, 50.4439)
Luminance	0.1658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3972BD #BD8439

analogous

#39B4BD #3972BD #4239BD

triadic

#3972BD #BD3972 #72BD39

tetradic

#3972BD #BD39B4 #BD8439 #39BD42

square

#3972BD #BD39B4 #BD8439 #39BD42

split-complementary

#3972BD #BD4239 #B4BD39

monochromatic

#1D395F #2B568E #3972BD #6392D0 #92B3DE

Accessibility & contrast

On white

4.87

#3972BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3972BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3972BD

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3972BD	#FFFFFF	#000000	##FFFFFF
##3972BD	1.00	4.87	4.32	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C0

Deuteranopia (green-blind)

#3B6CBB

Tritanopia (blue-blind)

#00838E

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3972bd;
/* rgb */ color: rgb(57, 114, 189);
/* oklch */ color: oklch(55.1% 0.132 256.2);

Tailwind

colors: {
  custom: {
    50: '#7f9ad1',
    500: '#3972bd',
    950: '#000000',
  },
}

SCSS

$custom: #3972bd;
$custom-light: #7f9ad1;
$custom-dark: #000000;

JSON

{
  "hex": "#3972bd",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 189
  },
  "hsl": {
    "h": 214.091,
    "s": 53.659,
    "l": 48.235
  },
  "oklch": {
    "l": 0.55089,
    "c": 0.13174,
    "h": 256.2
  },
  "luminance": 0.16579
}

Semantic roles & 50–950 ramp

primary

#3972BD

secondary

#C9AD89

accent

#9E4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3972BD

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

Preview Lab → · Contrast checker → · Palette generator →