#3963E6#3963E6

#3963E6 is a mid, highly saturated blue. Relative luminance 0.155; OKLCH L 54.9% C 0.204 H 266.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#3963E6
RGB	rgb(57, 99, 230)
HSL	hsl(225, 78%, 56%)
HSV	hsv(225, 75%, 90%)
CMYK	cmyk(75.2%, 57%, 0%, 9.8%)
CIE-LAB	lab(46.32, 30.89, -70.56)
CIE-LCH	lch(46.32, 77.02, 293.64°)
OKLab	oklab(54.87% -0.0137 -0.2037)
OKLCH	oklch(54.87% 0.204 266.2)
XYZ	xyz(20.4271, 15.5044, 76.7637)
Luminance	0.1551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3963E6 #E6BC39

analogous

#39B9E6 #3963E6 #6639E6

triadic

#3963E6 #E63963 #63E639

tetradic

#3963E6 #E639B9 #E6BC39 #39E666

square

#3963E6 #E639B9 #E6BC39 #39E666

split-complementary

#3963E6 #E66639 #B9E639

monochromatic

#123192 #1944C8 #3963E6 #6F8EED #A6B9F4

Accessibility & contrast

On white

5.12

#3963E6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#3963E6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3963E6

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3963E6	#FFFFFF	#000000	##FFFFFF
##3963E6	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076EA

Deuteranopia (green-blind)

#0066E3

Tritanopia (blue-blind)

#00849B

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3963e6;
/* rgb */ color: rgb(57, 99, 230);
/* oklch */ color: oklch(54.9% 0.204 266.2);

Tailwind

colors: {
  custom: {
    50: '#888eef',
    500: '#3963e6',
    950: '#000000',
  },
}

SCSS

$custom: #3963e6;
$custom-light: #888eef;
$custom-dark: #000000;

JSON

{
  "hex": "#3963e6",
  "rgb": {
    "r": 57,
    "g": 99,
    "b": 230
  },
  "hsl": {
    "h": 225.434,
    "s": 77.578,
    "l": 56.275
  },
  "oklch": {
    "l": 0.54869,
    "c": 0.20413,
    "h": 266.2
  },
  "luminance": 0.15507
}

Semantic roles & 50–950 ramp

primary

#3963E6

secondary

#E1D09A

accent

#C534F4

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C17

muted

#7E7D85

Preview Lab

Preview with #3963E6

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

Preview Lab → · Contrast checker → · Palette generator →