#3969DE#3969DE

#3969DE is a mid, vivid blue. Relative luminance 0.162; OKLCH L 55.4% C 0.187 H 264.3°. Best body text is #FFFFFF at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#3969DE
RGB	rgb(57, 105, 222)
HSL	hsl(223, 71%, 55%)
HSV	hsv(223, 74%, 87%)
CMYK	cmyk(74.3%, 52.7%, 0%, 12.9%)
CIE-LAB	lab(47.29, 24.18, -64.45)
CIE-LCH	lch(47.29, 68.83, 290.56°)
OKLab	oklab(55.42% -0.0185 -0.1856)
OKLCH	oklch(55.42% 0.187 264.3)
XYZ	xyz(19.9191, 16.2447, 71.1788)
Luminance	0.1625 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969DE #DEAE39

analogous

#39BCDE #3969DE #5B39DE

triadic

#3969DE #DE3969 #69DE39

tetradic

#3969DE #DE39BC #DEAE39 #39DE5B

square

#3969DE #DE39BC #DEAE39 #39DE5B

split-complementary

#3969DE #DE5B39 #BCDE39

monochromatic

#163786 #1F4CBB #3969DE #6D91E7 #A2B8EF

Accessibility & contrast

On white

4.94

#3969DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.25

#3969DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969DE

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969DE	#FFFFFF	#000000	##FFFFFF
##3969DE	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)

#1078E2

Deuteranopia (green-blind)

#0069DC

Tritanopia (blue-blind)

#008599

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3969de;
/* rgb */ color: rgb(57, 105, 222);
/* oklch */ color: oklch(55.4% 0.187 264.3);

Tailwind

colors: {
  custom: {
    50: '#8593e9',
    500: '#3969de',
    950: '#000000',
  },
}

SCSS

$custom: #3969de;
$custom-light: #8593e9;
$custom-dark: #000000;

JSON

{
  "hex": "#3969de",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 222
  },
  "hsl": {
    "h": 222.545,
    "s": 71.429,
    "l": 54.706
  },
  "oklch": {
    "l": 0.55423,
    "c": 0.18653,
    "h": 264.3
  },
  "luminance": 0.16247
}

Semantic roles & 50–950 ramp

primary

#3969DE

secondary

#DCC897

accent

#BA3AEE

background

#F9F9FE

surface

#F1F1FD

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3969DE

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

Preview Lab → · Contrast checker → · Palette generator →