#3965C0#3965C0

#3965C0 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.4% C 0.151 H 262.9°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3965C0
RGB	rgb(57, 101, 192)
HSL	hsl(220, 54%, 49%)
HSV	hsv(220, 70%, 75%)
CMYK	cmyk(70.3%, 47.4%, 0%, 24.7%)
CIE-LAB	lab(44.21, 15.71, -52.25)
CIE-LCH	lch(44.21, 54.56, 286.74°)
OKLab	oklab(52.43% -0.0187 -0.1498)
OKLCH	oklch(52.43% 0.151 262.9)
XYZ	xyz(15.8521, 13.9813, 51.7222)
Luminance	0.1398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3965C0 #C09439

analogous

#39A9C0 #3965C0 #5039C0

triadic

#3965C0 #C03965 #65C039

tetradic

#3965C0 #C039A9 #C09439 #39C050

square

#3965C0 #C039A9 #C09439 #39C050

split-complementary

#3965C0 #C05039 #A9C039

monochromatic

#1D3362 #2B4C91 #3965C0 #6588D1 #94ADDF

Accessibility & contrast

On white

5.53

#3965C0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#3965C0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3965C0

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3965C0	#FFFFFF	#000000	##FFFFFF
##3965C0	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356FC3

Deuteranopia (green-blind)

#1463BE

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3965c0;
/* rgb */ color: rgb(57, 101, 192);
/* oklch */ color: oklch(52.4% 0.151 262.9);

Tailwind

colors: {
  custom: {
    50: '#7f90d4',
    500: '#3965c0',
    950: '#000000',
  },
}

SCSS

$custom: #3965c0;
$custom-light: #7f90d4;
$custom-dark: #000000;

JSON

{
  "hex": "#3965c0",
  "rgb": {
    "r": 57,
    "g": 101,
    "b": 192
  },
  "hsl": {
    "h": 220.444,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52431,
    "c": 0.15094,
    "h": 262.9
  },
  "luminance": 0.13983
}

Semantic roles & 50–950 ramp

primary

#3965C0

secondary

#CBB68A

accent

#AE4ADE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3965C0

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

Preview Lab → · Contrast checker → · Palette generator →