#3965B6#3965B6

#3965B6 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.8% C 0.137 H 261.4°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3965B6
RGB	rgb(57, 101, 182)
HSL	hsl(219, 52%, 47%)
HSV	hsv(219, 69%, 71%)
CMYK	cmyk(68.7%, 44.5%, 0%, 28.6%)
CIE-LAB	lab(43.59, 12.05, -47.43)
CIE-LCH	lch(43.59, 48.94, 284.26°)
OKLab	oklab(51.75% -0.0204 -0.1356)
OKLCH	oklch(51.75% 0.137 261.4)
XYZ	xyz(14.7815, 13.5531, 46.0839)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965B6 #B68A39

analogous

#39A4B6 #3965B6 #4C39B6

triadic

#3965B6 #B63965 #65B639

tetradic

#3965B6 #B639A4 #B68A39 #39B64C

square

#3965B6 #B639A4 #B68A39 #39B64C

split-complementary

#3965B6 #B64C39 #A4B639

monochromatic

#1C3159 #2A4B87 #3965B6 #5F86CD #8EA9DC

Accessibility & contrast

On white

5.66

#3965B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3965B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965B6

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965B6	#FFFFFF	#000000	##FFFFFF
##3965B6	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6DB9

Deuteranopia (green-blind)

#2762B4

Tritanopia (blue-blind)

#007884

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3965b6;
/* rgb */ color: rgb(57, 101, 182);
/* oklch */ color: oklch(51.8% 0.137 261.4);

Tailwind

colors: {
  custom: {
    50: '#7d90cc',
    500: '#3965b6',
    950: '#000000',
  },
}

SCSS

$custom: #3965b6;
$custom-light: #7d90cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3965b6",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 182
  },
  "hsl": {
    "h": 218.88,
    "s": 52.301,
    "l": 46.863
  },
  "oklch": {
    "l": 0.51754,
    "c": 0.13712,
    "h": 261.4
  },
  "luminance": 0.13555
}

Semantic roles & 50–950 ramp

primary

#3965B6

secondary

#C6AF85

accent

#A94CDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3965B6

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

Preview Lab → · Contrast checker → · Palette generator →