#3F6EE2#3F6EE2

#3F6EE2 is a mid, vivid blue. Relative luminance 0.177; OKLCH L 57.0% C 0.184 H 264.6°. Best body text is #FFFFFF at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#3F6EE2
RGB	rgb(63, 110, 226)
HSL	hsl(223, 74%, 57%)
HSV	hsv(223, 72%, 89%)
CMYK	cmyk(72.1%, 51.3%, 0%, 11.4%)
CIE-LAB	lab(49.13, 23.21, -63.73)
CIE-LCH	lch(49.13, 67.83, 290.01°)
OKLab	oklab(56.97% -0.0173 -0.1833)
OKLCH	oklch(56.97% 0.184 264.6)
XYZ	xyz(21.3485, 17.6973, 74.2276)
Luminance	0.1770 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6EE2 #E2B33F

analogous

#3FC0E2 #3F6EE2 #613FE2

triadic

#3F6EE2 #E23F6E #6EE23F

tetradic

#3F6EE2 #E23FC0 #E2B33F #3FE261

square

#3F6EE2 #E23FC0 #E2B33F #3FE261

split-complementary

#3F6EE2 #E2613F #C0E23F

monochromatic

#163991 #1E4EC6 #3F6EE2 #7496EA #A9BEF2

Accessibility & contrast

On white

4.63

#3F6EE2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#3F6EE2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6EE2

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6EE2	#FFFFFF	#000000	##FFFFFF
##3F6EE2	1.00	4.63	4.54	4.63
#FFFFFF	4.63	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#227DE6

Deuteranopia (green-blind)

#006EE0

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #3f6ee2;
/* rgb */ color: rgb(63, 110, 226);
/* oklch */ color: oklch(57.0% 0.184 264.6);

Tailwind

colors: {
  custom: {
    50: '#8897ec',
    500: '#3f6ee2',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ee2;
$custom-light: #8897ec;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ee2",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 226
  },
  "hsl": {
    "h": 222.699,
    "s": 73.756,
    "l": 56.667
  },
  "oklch": {
    "l": 0.56966,
    "c": 0.18414,
    "h": 264.6
  },
  "luminance": 0.177
}

Semantic roles & 50–950 ramp

primary

#3F6EE2

secondary

#E0CD9D

accent

#BB37F0

background

#F9F9FE

surface

#F1F2FD

border

#CBCCD5

text

#0D0D16

muted

#7E7E84

Preview Lab

Preview with #3F6EE2

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

Preview Lab → · Contrast checker → · Palette generator →