#3969D8#3969D8

#3969D8 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 55.0% C 0.179 H 263.9°. Best body text is #FFFFFF at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#3969D8
RGB	rgb(57, 105, 216)
HSL	hsl(222, 67%, 54%)
HSV	hsv(222, 74%, 85%)
CMYK	cmyk(73.6%, 51.4%, 0%, 15.3%)
CIE-LAB	lab(46.88, 21.98, -61.71)
CIE-LCH	lch(46.88, 65.51, 289.60°)
OKLab	oklab(54.98% -0.019 -0.1776)
OKLCH	oklch(54.98% 0.179 263.9)
XYZ	xyz(19.1292, 15.9288, 67.0188)
Luminance	0.1593 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3969D8 #D8A839

analogous

#39B8D8 #3969D8 #5839D8

triadic

#3969D8 #D83969 #69D839

tetradic

#3969D8 #D839B8 #D8A839 #39D858

square

#3969D8 #D839B8 #D8A839 #39D858

split-complementary

#3969D8 #D85839 #B8D839

monochromatic

#19377E #234EB1 #3969D8 #6C90E2 #9FB6EC

Accessibility & contrast

On white

5.02

#3969D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3969D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3969D8

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3969D8	#FFFFFF	#000000	##FFFFFF
##3969D8	1.00	5.02	4.19	5.02
#FFFFFF	5.02	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2077DC

Deuteranopia (green-blind)

#0068D6

Tritanopia (blue-blind)

#008496

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3969d8;
/* rgb */ color: rgb(57, 105, 216);
/* oklch */ color: oklch(55.0% 0.179 263.9);

Tailwind

colors: {
  custom: {
    50: '#8493e5',
    500: '#3969d8',
    950: '#000000',
  },
}

SCSS

$custom: #3969d8;
$custom-light: #8493e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3969d8",
  "rgb": {
    "r": 57,
    "g": 105,
    "b": 216
  },
  "hsl": {
    "h": 221.887,
    "s": 67.089,
    "l": 53.529
  },
  "oklch": {
    "l": 0.54978,
    "c": 0.17858,
    "h": 263.9
  },
  "luminance": 0.15931
}

Semantic roles & 50–950 ramp

primary

#3969D8

secondary

#D8C494

accent

#B63EEA

background

#F8F9FE

surface

#F0F1FC

border

#CBCBD5

text

#0C0D16

muted

#7D7E84

Preview Lab

Preview with #3969D8

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

Preview Lab → · Contrast checker → · Palette generator →