#3968DF#3968DF

#3968DF is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.3% C 0.189 H 264.6°. Best body text is #FFFFFF at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#3968DF
RGB	rgb(57, 104, 223)
HSL	hsl(223, 72%, 55%)
HSV	hsv(223, 74%, 87%)
CMYK	cmyk(74.4%, 53.4%, 0%, 12.5%)
CIE-LAB	lab(47.10, 25.17, -65.33)
CIE-LCH	lch(47.10, 70.01, 291.07°)
OKLab	oklab(55.3% -0.0176 -0.1882)
OKLCH	oklch(55.3% 0.189 264.6)
XYZ	xyz(19.9522, 16.0960, 71.8530)
Luminance	0.1610 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3968DF #DFB039

analogous

#39BBDF #3968DF #5D39DF

triadic

#3968DF #DF3968 #68DF39

tetradic

#3968DF #DF39BB #DFB039 #39DF5D

square

#3968DF #DF39BB #DFB039 #39DF5D

split-complementary

#3968DF #DF5D39 #BBDF39

monochromatic

#163688 #1E4BBC #3968DF #6E90E8 #A2B8F0

Accessibility & contrast

On white

4.98

#3968DF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3968DF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3968DF

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3968DF	#FFFFFF	#000000	##FFFFFF
##3968DF	1.00	4.98	4.22	4.98
#FFFFFF	4.98	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0378E3

Deuteranopia (green-blind)

#0068DD

Tritanopia (blue-blind)

#008599

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3968df;
/* rgb */ color: rgb(57, 104, 223);
/* oklch */ color: oklch(55.3% 0.189 264.6);

Tailwind

colors: {
  custom: {
    50: '#8692ea',
    500: '#3968df',
    950: '#000000',
  },
}

SCSS

$custom: #3968df;
$custom-light: #8692ea;
$custom-dark: #000000;

JSON

{
  "hex": "#3968df",
  "rgb": {
    "r": 57,
    "g": 104,
    "b": 223
  },
  "hsl": {
    "h": 223.012,
    "s": 72.174,
    "l": 54.902
  },
  "oklch": {
    "l": 0.55298,
    "c": 0.18904,
    "h": 264.6
  },
  "luminance": 0.16098
}

Semantic roles & 50–950 ramp

primary

#3968DF

secondary

#DDC997

accent

#BB39EF

background

#F9F8FE

surface

#F1F0FD

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3968DF

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

Preview Lab → · Contrast checker → · Palette generator →