#3F69D5#3F69D5

#3F69D5 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 55.0% C 0.173 H 265.2°. Best body text is #FFFFFF at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#3F69D5
RGB	rgb(63, 105, 213)
HSL	hsl(223, 64%, 54%)
HSV	hsv(223, 70%, 84%)
CMYK	cmyk(70.4%, 50.7%, 0%, 16.5%)
CIE-LAB	lab(46.92, 21.68, -59.92)
CIE-LCH	lch(46.92, 63.72, 289.89°)
OKLab	oklab(55.02% -0.0146 -0.1722)
OKLCH	oklch(55.02% 0.173 265.2)
XYZ	xyz(19.1075, 15.9620, 65.0119)
Luminance	0.1596 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69D5 #D5AB3F

analogous

#3FB4D5 #3F69D5 #603FD5

triadic

#3F69D5 #D53F69 #69D53F

tetradic

#3F69D5 #D53FB4 #D5AB3F #3FD560

square

#3F69D5 #D53FB4 #D5AB3F #3FD560

split-complementary

#3F69D5 #D5603F #B4D53F

monochromatic

#1C377E #274DB0 #3F69D5 #7190E0 #A3B7EB

Accessibility & contrast

On white

5.01

#3F69D5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.19

#3F69D5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69D5

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69D5	#FFFFFF	#000000	##FFFFFF
##3F69D5	1.00	5.01	4.19	5.01
#FFFFFF	5.01	1.00	21.00	1.00
#000000	4.19	21.00	1.00	21.00
##FFFFFF	5.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2776D9

Deuteranopia (green-blind)

#0069D3

Tritanopia (blue-blind)

#008395

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f69d5;
/* rgb */ color: rgb(63, 105, 213);
/* oklch */ color: oklch(55.0% 0.173 265.2);

Tailwind

colors: {
  custom: {
    50: '#8693e3',
    500: '#3f69d5',
    950: '#000000',
  },
}

SCSS

$custom: #3f69d5;
$custom-light: #8693e3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69d5",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 213
  },
  "hsl": {
    "h": 223.2,
    "s": 64.103,
    "l": 54.118
  },
  "oklch": {
    "l": 0.55015,
    "c": 0.1728,
    "h": 265.2
  },
  "luminance": 0.15964
}

Semantic roles & 50–950 ramp

primary

#3F69D5

secondary

#D8C698

accent

#B941E7

background

#F8F9FE

surface

#F0F1FC

border

#CBCBD5

text

#0D0D15

muted

#7D7E84

Preview Lab

Preview with #3F69D5

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

Preview Lab → · Contrast checker → · Palette generator →