#3972BE#3972BE

#3972BE is a mid, vivid cyan. Relative luminance 0.166; OKLCH L 55.2% C 0.133 H 256.4°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#3972BE
RGB	rgb(57, 114, 190)
HSL	hsl(214, 54%, 48%)
HSV	hsv(214, 70%, 75%)
CMYK	cmyk(70%, 40%, 0%, 25.5%)
CIE-LAB	lab(47.78, 6.78, -45.38)
CIE-LCH	lch(47.78, 45.88, 278.50°)
OKLab	oklab(55.15% -0.0312 -0.1294)
OKLCH	oklch(55.15% 0.133 256.4)
XYZ	xyz(16.9955, 16.6204, 51.0176)
Luminance	0.1662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3972BE #BE8539

analogous

#39B4BE #3972BE #4339BE

triadic

#3972BE #BE3972 #72BE39

tetradic

#3972BE #BE39B4 #BE8539 #39BE43

square

#3972BE #BE39B4 #BE8539 #39BE43

split-complementary

#3972BE #BE4339 #B4BE39

monochromatic

#1D3A60 #2B568F #3972BE #6492D0 #93B3DF

Accessibility & contrast

On white

4.86

#3972BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#3972BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3972BE

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3972BE	#FFFFFF	#000000	##FFFFFF
##3972BE	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F78C1

Deuteranopia (green-blind)

#3A6CBC

Tritanopia (blue-blind)

#00848F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3972be;
/* rgb */ color: rgb(57, 114, 190);
/* oklch */ color: oklch(55.2% 0.133 256.4);

Tailwind

colors: {
  custom: {
    50: '#7f9ad2',
    500: '#3972be',
    950: '#000000',
  },
}

SCSS

$custom: #3972be;
$custom-light: #7f9ad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3972be",
  "rgb": {
    "r": 57,
    "g": 114,
    "b": 190
  },
  "hsl": {
    "h": 214.286,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.55151,
    "c": 0.13308,
    "h": 256.4
  },
  "luminance": 0.16622
}

Semantic roles & 50–950 ramp

primary

#3972BE

secondary

#CAAE89

accent

#9E4BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #3972BE

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

Preview Lab → · Contrast checker → · Palette generator →