#3965B9#3965B9

#3965B9 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.0% C 0.141 H 261.9°. Best body text is #FFFFFF at 5.62:1 contrast (WCAG AA passes).

Color values

HEX	#3965B9
RGB	rgb(57, 101, 185)
HSL	hsl(219, 53%, 47%)
HSV	hsv(219, 69%, 73%)
CMYK	cmyk(69.2%, 45.4%, 0%, 27.5%)
CIE-LAB	lab(43.77, 13.15, -48.88)
CIE-LCH	lch(43.77, 50.62, 285.05°)
OKLab	oklab(51.95% -0.0199 -0.1399)
OKLCH	oklch(51.95% 0.141 261.9)
XYZ	xyz(15.0949, 13.6785, 47.7342)
Luminance	0.1368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965B9 #B98D39

analogous

#39A5B9 #3965B9 #4D39B9

triadic

#3965B9 #B93965 #65B939

tetradic

#3965B9 #B939A5 #B98D39 #39B94D

square

#3965B9 #B939A5 #B98D39 #39B94D

split-complementary

#3965B9 #B94D39 #A5B939

monochromatic

#1C325B #2B4B8A #3965B9 #6187CE #90AADD

Accessibility & contrast

On white

5.62

#3965B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3965B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965B9

5.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965B9	#FFFFFF	#000000	##FFFFFF
##3965B9	1.00	5.62	3.74	5.62
#FFFFFF	5.62	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6EBC

Deuteranopia (green-blind)

#2362B7

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3965b9;
/* rgb */ color: rgb(57, 101, 185);
/* oklch */ color: oklch(52.0% 0.141 261.9);

Tailwind

colors: {
  custom: {
    50: '#7e90ce',
    500: '#3965b9',
    950: '#000000',
  },
}

SCSS

$custom: #3965b9;
$custom-light: #7e90ce;
$custom-dark: #000000;

JSON

{
  "hex": "#3965b9",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 185
  },
  "hsl": {
    "h": 219.375,
    "s": 52.893,
    "l": 47.451
  },
  "oklch": {
    "l": 0.51954,
    "c": 0.14128,
    "h": 261.9
  },
  "luminance": 0.1368
}

Semantic roles & 50–950 ramp

primary

#3965B9

secondary

#C8B186

accent

#AB4BDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3965B9

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

Preview Lab → · Contrast checker → · Palette generator →