#3965BE#3965BE

#3965BE is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.148 H 262.6°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3965BE
RGB	rgb(57, 101, 190)
HSL	hsl(220, 54%, 48%)
HSV	hsv(220, 70%, 75%)
CMYK	cmyk(70%, 46.8%, 0%, 25.5%)
CIE-LAB	lab(44.08, 14.98, -51.29)
CIE-LCH	lch(44.08, 53.43, 286.28°)
OKLab	oklab(52.29% -0.019 -0.147)
OKLCH	oklch(52.29% 0.148 262.6)
XYZ	xyz(15.6320, 13.8933, 50.5631)
Luminance	0.1389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965BE #BE9239

analogous

#39A7BE #3965BE #4F39BE

triadic

#3965BE #BE3965 #65BE39

tetradic

#3965BE #BE39A7 #BE9239 #39BE4F

square

#3965BE #BE39A7 #BE9239 #39BE4F

split-complementary

#3965BE #BE4F39 #A7BE39

monochromatic

#1D3360 #2B4C8F #3965BE #6488D0 #93ACDF

Accessibility & contrast

On white

5.56

#3965BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3965BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965BE

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965BE	#FFFFFF	#000000	##FFFFFF
##3965BE	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#376FC1

Deuteranopia (green-blind)

#1962BC

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3965be;
/* rgb */ color: rgb(57, 101, 190);
/* oklch */ color: oklch(52.3% 0.148 262.6);

Tailwind

colors: {
  custom: {
    50: '#7f90d2',
    500: '#3965be',
    950: '#000000',
  },
}

SCSS

$custom: #3965be;
$custom-light: #7f90d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3965be",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 190
  },
  "hsl": {
    "h": 220.15,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.52294,
    "c": 0.14819,
    "h": 262.6
  },
  "luminance": 0.13895
}

Semantic roles & 50–950 ramp

primary

#3965BE

secondary

#CAB489

accent

#AD4BDD

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3965BE

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

Preview Lab → · Contrast checker → · Palette generator →