#3964E6#3964E6

#3964E6 is a mid, highly saturated blue. Relative luminance 0.157; OKLCH L 55.1% C 0.203 H 265.9°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3964E6
RGB	rgb(57, 100, 230)
HSL	hsl(225, 78%, 56%)
HSV	hsv(225, 75%, 90%)
CMYK	cmyk(75.2%, 56.5%, 0%, 9.8%)
CIE-LAB	lab(46.57, 30.26, -70.15)
CIE-LCH	lch(46.57, 76.39, 293.33°)
OKLab	oklab(55.06% -0.0143 -0.2024)
OKLCH	oklch(55.06% 0.203 265.9)
XYZ	xyz(20.5224, 15.6951, 76.7954)
Luminance	0.1570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3964E6 #E6BB39

analogous

#39BAE6 #3964E6 #6539E6

triadic

#3964E6 #E63964 #64E639

tetradic

#3964E6 #E639BA #E6BB39 #39E665

square

#3964E6 #E639BA #E6BB39 #39E665

split-complementary

#3964E6 #E66539 #BAE639

monochromatic

#123292 #1945C8 #3964E6 #6F8FED #A6B9F4

Accessibility & contrast

On white

5.07

#3964E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#3964E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3964E6

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3964E6	#FFFFFF	#000000	##FFFFFF
##3964E6	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077EA

Deuteranopia (green-blind)

#0067E3

Tritanopia (blue-blind)

#00849B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3964e6;
/* rgb */ color: rgb(57, 100, 230);
/* oklch */ color: oklch(55.1% 0.203 265.9);

Tailwind

colors: {
  custom: {
    50: '#878fef',
    500: '#3964e6',
    950: '#000000',
  },
}

SCSS

$custom: #3964e6;
$custom-light: #878fef;
$custom-dark: #000000;

JSON

{
  "hex": "#3964e6",
  "rgb": {
    "r": 57,
    "g": 100,
    "b": 230
  },
  "hsl": {
    "h": 225.087,
    "s": 77.578,
    "l": 56.275
  },
  "oklch": {
    "l": 0.5506,
    "c": 0.20295,
    "h": 265.9
  },
  "luminance": 0.15697
}

Semantic roles & 50–950 ramp

primary

#3964E6

secondary

#E1CF9A

accent

#C434F4

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3964E6

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

Preview Lab → · Contrast checker → · Palette generator →