#3965AA#3965AA

#3965AA is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.0% C 0.120 H 259.1°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#3965AA
RGB	rgb(57, 101, 170)
HSL	hsl(217, 50%, 45%)
HSV	hsv(217, 66%, 67%)
CMYK	cmyk(66.5%, 40.6%, 0%, 33.3%)
CIE-LAB	lab(42.88, 7.68, -41.52)
CIE-LCH	lch(42.88, 42.22, 280.49°)
OKLab	oklab(50.98% -0.0228 -0.1182)
OKLCH	oklch(50.98% 0.12 259.1)
XYZ	xyz(13.5941, 13.0782, 39.8303)
Luminance	0.1308 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965AA #AA7E39

analogous

#399EAA #3965AA #4539AA

triadic

#3965AA #AA3965 #65AA39

tetradic

#3965AA #AA399E #AA7E39 #39AA45

square

#3965AA #AA399E #AA7E39 #39AA45

split-complementary

#3965AA #AA4539 #9EAA39

monochromatic

#1A2F4E #2A4A7C #3965AA #5984C7 #87A6D7

Accessibility & contrast

On white

5.81

#3965AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3965AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965AA

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965AA	#FFFFFF	#000000	##FFFFFF
##3965AA	1.00	5.81	3.62	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#466BAD

Deuteranopia (green-blind)

#3560A9

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3965aa;
/* rgb */ color: rgb(57, 101, 170);
/* oklch */ color: oklch(51.0% 0.120 259.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3965aa",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 170
  },
  "hsl": {
    "h": 216.637,
    "s": 49.78,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50981,
    "c": 0.12043,
    "h": 259.1
  },
  "luminance": 0.13079
}

Semantic roles & 50–950 ramp

primary

#3965AA

secondary

#C1A77E

accent

#A34ED9

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3965AA

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

Preview Lab → · Contrast checker → · Palette generator →