#3F69D8#3F69D8

#3F69D8 is a mid, vivid blue. Relative luminance 0.161; OKLCH L 55.2% C 0.177 H 265.4°. Best body text is #FFFFFF at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#3F69D8
RGB	rgb(63, 105, 216)
HSL	hsl(224, 66%, 55%)
HSV	hsv(224, 71%, 85%)
CMYK	cmyk(70.8%, 51.4%, 0%, 15.3%)
CIE-LAB	lab(47.13, 22.76, -61.30)
CIE-LCH	lch(47.13, 65.39, 290.37°)
OKLab	oklab(55.23% -0.0143 -0.1762)
OKLCH	oklch(55.23% 0.177 265.4)
XYZ	xyz(19.4918, 16.1158, 67.0358)
Luminance	0.1612 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F69D8 #D8AE3F

analogous

#3FB6D8 #3F69D8 #613FD8

triadic

#3F69D8 #D83F69 #69D83F

tetradic

#3F69D8 #D83FB6 #D8AE3F #3FD861

square

#3F69D8 #D83FB6 #D8AE3F #3FD861

split-complementary

#3F69D8 #D8613F #B6D83F

monochromatic

#1A3782 #254CB5 #3F69D8 #7291E2 #A5B8ED

Accessibility & contrast

On white

4.97

#3F69D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.22

#3F69D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F69D8

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F69D8	#FFFFFF	#000000	##FFFFFF
##3F69D8	1.00	4.97	4.22	4.97
#FFFFFF	4.97	1.00	21.00	1.00
#000000	4.22	21.00	1.00	21.00
##FFFFFF	4.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2177DC

Deuteranopia (green-blind)

#0069D6

Tritanopia (blue-blind)

#008496

Achromatopsia (no color)

#707070

Design tokens & code

CSS

--color: #3f69d8;
/* rgb */ color: rgb(63, 105, 216);
/* oklch */ color: oklch(55.2% 0.177 265.4);

Tailwind

colors: {
  custom: {
    50: '#8693e5',
    500: '#3f69d8',
    950: '#000000',
  },
}

SCSS

$custom: #3f69d8;
$custom-light: #8693e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f69d8",
  "rgb": {
    "r": 63,
    "g": 105,
    "b": 216
  },
  "hsl": {
    "h": 223.529,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.55232,
    "c": 0.17683,
    "h": 265.4
  },
  "luminance": 0.16118
}

Semantic roles & 50–950 ramp

primary

#3F69D8

secondary

#DAC899

accent

#BA3FE9

background

#F9F9FE

surface

#F1F1FC

border

#CBCBD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3F69D8

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

Preview Lab → · Contrast checker → · Palette generator →