#3965BA#3965BA

#3965BA is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.0% C 0.143 H 262.1°. Best body text is #FFFFFF at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#3965BA
RGB	rgb(57, 101, 186)
HSL	hsl(220, 53%, 48%)
HSV	hsv(220, 69%, 73%)
CMYK	cmyk(69.4%, 45.7%, 0%, 27.1%)
CIE-LAB	lab(43.83, 13.51, -49.37)
CIE-LCH	lch(43.83, 51.18, 285.31°)
OKLab	oklab(52.02% -0.0197 -0.1413)
OKLCH	oklch(52.02% 0.143 262.1)
XYZ	xyz(15.2008, 13.7208, 48.2921)
Luminance	0.1372 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965BA #BA8E39

analogous

#39A5BA #3965BA #4E39BA

triadic

#3965BA #BA3965 #65BA39

tetradic

#3965BA #BA39A5 #BA8E39 #39BA4E

square

#3965BA #BA39A5 #BA8E39 #39BA4E

split-complementary

#3965BA #BA4E39 #A5BA39

monochromatic

#1C325C #2B4C8B #3965BA #6187CF #90ABDD

Accessibility & contrast

On white

5.61

#3965BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.74

#3965BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965BA

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965BA	#FFFFFF	#000000	##FFFFFF
##3965BA	1.00	5.61	3.74	5.61
#FFFFFF	5.61	1.00	21.00	1.00
#000000	3.74	21.00	1.00	21.00
##FFFFFF	5.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBD

Deuteranopia (green-blind)

#2162B8

Tritanopia (blue-blind)

#007986

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3965ba;
/* rgb */ color: rgb(57, 101, 186);
/* oklch */ color: oklch(52.0% 0.143 262.1);

Tailwind

colors: {
  custom: {
    50: '#7e90cf',
    500: '#3965ba',
    950: '#000000',
  },
}

SCSS

$custom: #3965ba;
$custom-light: #7e90cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3965ba",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 186
  },
  "hsl": {
    "h": 219.535,
    "s": 53.086,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52021,
    "c": 0.14267,
    "h": 262.1
  },
  "luminance": 0.13722
}

Semantic roles & 50–950 ramp

primary

#3965BA

secondary

#C8B287

accent

#AB4BDC

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3965BA

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

Preview Lab → · Contrast checker → · Palette generator →