#3969DA#3969DA

#3969DA is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.1% C 0.181 H 264.0°. Best body text is #FFFFFF at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#3969DA
RGB	rgb(57, 105, 218)
HSL	hsl(222, 69%, 54%)
HSV	hsv(222, 74%, 85%)
CMYK	cmyk(73.9%, 51.8%, 0%, 14.5%)
CIE-LAB	lab(47.02, 22.71, -62.63)
CIE-LCH	lch(47.02, 66.62, 289.93°)
OKLab	oklab(55.13% -0.0188 -0.1802)
OKLCH	oklch(55.13% 0.181 264)
XYZ	xyz(19.3893, 16.0328, 68.3889)
Luminance	0.1603 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969DA #DAAA39

analogous

#39BADA #3969DA #5A39DA

triadic

#3969DA #DA3969 #69DA39

tetradic

#3969DA #DA39BA #DAAA39 #39DA5A

square

#3969DA #DA39BA #DAAA39 #39DA5A

split-complementary

#3969DA #DA5A39 #BADA39

monochromatic

#183781 #224DB4 #3969DA #6D90E4 #A0B7ED

Accessibility & contrast

On white

4.99

#3969DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.21

#3969DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969DA

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969DA	#FFFFFF	#000000	##FFFFFF
##3969DA	1.00	4.99	4.21	4.99
#FFFFFF	4.99	1.00	21.00	1.00
#000000	4.21	21.00	1.00	21.00
##FFFFFF	4.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C77DE

Deuteranopia (green-blind)

#0068D8

Tritanopia (blue-blind)

#008497

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3969da;
/* rgb */ color: rgb(57, 105, 218);
/* oklch */ color: oklch(55.1% 0.181 264.0);

Tailwind

colors: {
  custom: {
    50: '#8593e6',
    500: '#3969da',
    950: '#000000',
  },
}

SCSS

$custom: #3969da;
$custom-light: #8593e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3969da",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 218
  },
  "hsl": {
    "h": 222.112,
    "s": 68.511,
    "l": 53.922
  },
  "oklch": {
    "l": 0.55125,
    "c": 0.18123,
    "h": 264
  },
  "luminance": 0.16035
}

Semantic roles & 50–950 ramp

primary

#3969DA

secondary

#DAC595

accent

#B73CEB

background

#F8F9FE

surface

#F0F1FC

border

#CBCBD5

text

#0D0D16

muted

#7D7E84

Preview Lab

Preview with #3969DA

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

Preview Lab → · Contrast checker → · Palette generator →