#3968E2#3968E2

#3968E2 is a mid, vivid blue. Relative luminance 0.163; OKLCH L 55.5% C 0.193 H 264.8°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3968E2
RGB	rgb(57, 104, 226)
HSL	hsl(223, 74%, 55%)
HSV	hsv(223, 75%, 89%)
CMYK	cmyk(74.8%, 54%, 0%, 11.4%)
CIE-LAB	lab(47.31, 26.27, -66.68)
CIE-LCH	lch(47.31, 71.67, 291.50°)
OKLab	oklab(55.53% -0.0174 -0.1922)
OKLCH	oklch(55.53% 0.193 264.8)
XYZ	xyz(20.3603, 16.2592, 74.0021)
Luminance	0.1626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968E2 #E2B339

analogous

#39BCE2 #3968E2 #5F39E2

triadic

#3968E2 #E23968 #68E239

tetradic

#3968E2 #E239BC #E2B339 #39E25F

square

#3968E2 #E239BC #E2B339 #39E25F

split-complementary

#3968E2 #E25F39 #BCE239

monochromatic

#15368C #1C4AC1 #3968E2 #6E91EA #A4B9F2

Accessibility & contrast

On white

4.94

#3968E2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#3968E2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968E2

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968E2	#FFFFFF	#000000	##FFFFFF
##3968E2	1.00	4.94	4.25	4.94
#FFFFFF	4.94	1.00	21.00	1.00
#000000	4.25	21.00	1.00	21.00
##FFFFFF	4.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0078E6

Deuteranopia (green-blind)

#0069E0

Tritanopia (blue-blind)

#00869B

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3968e2;
/* rgb */ color: rgb(57, 104, 226);
/* oklch */ color: oklch(55.5% 0.193 264.8);

Tailwind

colors: {
  custom: {
    50: '#8692ec',
    500: '#3968e2',
    950: '#000000',
  },
}

SCSS

$custom: #3968e2;
$custom-light: #8692ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3968e2",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 226
  },
  "hsl": {
    "h": 223.314,
    "s": 74.449,
    "l": 55.49
  },
  "oklch": {
    "l": 0.55526,
    "c": 0.19299,
    "h": 264.8
  },
  "luminance": 0.16261
}

Semantic roles & 50–950 ramp

primary

#3968E2

secondary

#DFCB98

accent

#BD37F1

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3968E2

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

Preview Lab → · Contrast checker → · Palette generator →