#3967E0#3967E0

#3967E0 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.2% C 0.192 H 265.0°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3967E0
RGB	rgb(57, 103, 224)
HSL	hsl(223, 73%, 55%)
HSV	hsv(223, 75%, 88%)
CMYK	cmyk(74.6%, 54%, 0%, 12.2%)
CIE-LAB	lab(46.91, 26.17, -66.21)
CIE-LCH	lch(46.91, 71.19, 291.57°)
OKLab	oklab(55.18% -0.0168 -0.1908)
OKLCH	oklch(55.18% 0.192 265)
XYZ	xyz(19.9874, 15.9500, 72.5318)
Luminance	0.1595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967E0 #E0B239

analogous

#39BBE0 #3967E0 #5E39E0

triadic

#3967E0 #E03967 #67E039

tetradic

#3967E0 #E039BB #E0B239 #39E05E

square

#3967E0 #E039BB #E0B239 #39E05E

split-complementary

#3967E0 #E05E39 #BBE039

monochromatic

#153589 #1E4ABE #3967E0 #6E90E8 #A3B8F1

Accessibility & contrast

On white

5.01

#3967E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3967E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967E0

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967E0	#FFFFFF	#000000	##FFFFFF
##3967E0	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077E4

Deuteranopia (green-blind)

#0068DE

Tritanopia (blue-blind)

#008599

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3967e0;
/* rgb */ color: rgb(57, 103, 224);
/* oklch */ color: oklch(55.2% 0.192 265.0);

Tailwind

colors: {
  custom: {
    50: '#8691ea',
    500: '#3967e0',
    950: '#000000',
  },
}

SCSS

$custom: #3967e0;
$custom-light: #8691ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3967e0",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 224
  },
  "hsl": {
    "h": 223.473,
    "s": 72.926,
    "l": 55.098
  },
  "oklch": {
    "l": 0.55176,
    "c": 0.19155,
    "h": 265
  },
  "luminance": 0.15952
}

Semantic roles & 50–950 ramp

primary

#3967E0

secondary

#DDCA97

accent

#BD38F0

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3967E0

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

Preview Lab → · Contrast checker → · Palette generator →