#3965AB#3965AB

#3965AB is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.0% C 0.122 H 259.3°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3965AB
RGB	rgb(57, 101, 171)
HSL	hsl(217, 50%, 45%)
HSV	hsv(217, 67%, 67%)
CMYK	cmyk(66.7%, 40.9%, 0%, 32.9%)
CIE-LAB	lab(42.94, 8.05, -42.02)
CIE-LCH	lch(42.94, 42.78, 280.84°)
OKLab	oklab(51.04% -0.0226 -0.1197)
OKLCH	oklch(51.04% 0.122 259.3)
XYZ	xyz(13.6891, 13.1162, 40.3304)
Luminance	0.1312 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965AB #AB7F39

analogous

#399EAB #3965AB #4639AB

triadic

#3965AB #AB3965 #65AB39

tetradic

#3965AB #AB399E #AB7F39 #39AB46

square

#3965AB #AB399E #AB7F39 #39AB46

split-complementary

#3965AB #AB4639 #9EAB39

monochromatic

#1A2F4F #2A4A7D #3965AB #5984C8 #87A6D7

Accessibility & contrast

On white

5.80

#3965AB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3965AB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965AB

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965AB	#FFFFFF	#000000	##FFFFFF
##3965AB	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#456BAE

Deuteranopia (green-blind)

#3461AA

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3965ab;
/* rgb */ color: rgb(57, 101, 171);
/* oklch */ color: oklch(51.0% 0.122 259.3);

Tailwind

colors: {
  custom: {
    50: '#7b90c4',
    500: '#3965ab',
    950: '#000000',
  },
}

SCSS

$custom: #3965ab;
$custom-light: #7b90c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3965ab",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 171
  },
  "hsl": {
    "h": 216.842,
    "s": 50,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51044,
    "c": 0.12182,
    "h": 259.3
  },
  "luminance": 0.13117
}

Semantic roles & 50–950 ramp

primary

#3965AB

secondary

#C1A77F

accent

#A44EDA

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3965AB

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

Preview Lab → · Contrast checker → · Palette generator →