#3965BF#3965BF

#3965BF is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.4% C 0.150 H 262.7°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#3965BF
RGB	rgb(57, 101, 191)
HSL	hsl(220, 54%, 49%)
HSV	hsv(220, 70%, 75%)
CMYK	cmyk(70.2%, 47.1%, 0%, 25.1%)
CIE-LAB	lab(44.14, 15.35, -51.77)
CIE-LCH	lch(44.14, 54.00, 286.51°)
OKLab	oklab(52.36% -0.0189 -0.1484)
OKLCH	oklch(52.36% 0.15 262.7)
XYZ	xyz(15.7417, 13.9372, 51.1407)
Luminance	0.1394 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965BF #BF9339

analogous

#39A8BF #3965BF #5039BF

triadic

#3965BF #BF3965 #65BF39

tetradic

#3965BF #BF39A8 #BF9339 #39BF50

square

#3965BF #BF39A8 #BF9339 #39BF50

split-complementary

#3965BF #BF5039 #A8BF39

monochromatic

#1D3361 #2B4C90 #3965BF #6488D1 #93ACDF

Accessibility & contrast

On white

5.54

#3965BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#3965BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965BF

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965BF	#FFFFFF	#000000	##FFFFFF
##3965BF	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366FC2

Deuteranopia (green-blind)

#1663BD

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3965bf;
/* rgb */ color: rgb(57, 101, 191);
/* oklch */ color: oklch(52.4% 0.150 262.7);

Tailwind

colors: {
  custom: {
    50: '#7f90d3',
    500: '#3965bf',
    950: '#000000',
  },
}

SCSS

$custom: #3965bf;
$custom-light: #7f90d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3965bf",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 191
  },
  "hsl": {
    "h": 220.299,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52362,
    "c": 0.14957,
    "h": 262.7
  },
  "luminance": 0.13939
}

Semantic roles & 50–950 ramp

primary

#3965BF

secondary

#CAB58A

accent

#AD4ADD

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3965BF

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

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