#3967D0#3967D0

#3967D0 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.0% C 0.170 H 263.8°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3967D0
RGB	rgb(57, 103, 208)
HSL	hsl(222, 62%, 52%)
HSV	hsv(222, 73%, 82%)
CMYK	cmyk(72.6%, 50.5%, 0%, 18.4%)
CIE-LAB	lab(45.80, 20.31, -58.89)
CIE-LCH	lch(45.80, 62.30, 289.03°)
OKLab	oklab(53.99% -0.0183 -0.1693)
OKLCH	oklch(53.99% 0.17 263.8)
XYZ	xyz(17.9187, 15.1225, 61.6369)
Luminance	0.1512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967D0 #D0A239

analogous

#39B3D0 #3967D0 #5739D0

triadic

#3967D0 #D03967 #67D039

tetradic

#3967D0 #D039B3 #D0A239 #39D057

square

#3967D0 #D039B3 #D0A239 #39D057

split-complementary

#3967D0 #D05739 #B3D039

monochromatic

#1B3673 #274DA5 #3967D0 #6A8DDC #9CB3E7

Accessibility & contrast

On white

5.22

#3967D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3967D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967D0

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967D0	#FFFFFF	#000000	##FFFFFF
##3967D0	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2674D4

Deuteranopia (green-blind)

#0066CE

Tritanopia (blue-blind)

#008092

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3967d0;
/* rgb */ color: rgb(57, 103, 208);
/* oklch */ color: oklch(54.0% 0.170 263.8);

Tailwind

colors: {
  custom: {
    50: '#8391df',
    500: '#3967d0',
    950: '#000000',
  },
}

SCSS

$custom: #3967d0;
$custom-light: #8391df;
$custom-dark: #000000;

JSON

{
  "hex": "#3967d0",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 208
  },
  "hsl": {
    "h": 221.722,
    "s": 61.633,
    "l": 51.961
  },
  "oklch": {
    "l": 0.53985,
    "c": 0.17028,
    "h": 263.8
  },
  "luminance": 0.15124
}

Semantic roles & 50–950 ramp

primary

#3967D0

secondary

#D3BF91

accent

#B343E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3967D0

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

Preview Lab → · Contrast checker → · Palette generator →