#3F6ED2#3F6ED2

#3F6ED2 is a mid, vivid blue. Relative luminance 0.169; OKLCH L 55.8% C 0.163 H 263.2°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#3F6ED2
RGB	rgb(63, 110, 210)
HSL	hsl(221, 62%, 54%)
HSV	hsv(221, 70%, 82%)
CMYK	cmyk(70%, 47.6%, 0%, 17.6%)
CIE-LAB	lab(48.08, 17.43, -56.35)
CIE-LCH	lch(48.08, 58.98, 287.19°)
OKLab	oklab(55.84% -0.0193 -0.1616)
OKLCH	oklch(55.84% 0.163 263.2)
XYZ	xyz(19.2546, 16.8598, 63.1998)
Luminance	0.1686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6ED2 #D2A33F

analogous

#3FB7D2 #3F6ED2 #593FD2

triadic

#3F6ED2 #D23F6E #6ED23F

tetradic

#3F6ED2 #D23FB7 #D2A33F #3FD259

square

#3F6ED2 #D23FB7 #D2A33F #3FD259

split-complementary

#3F6ED2 #D2593F #B7D23F

monochromatic

#1D3A7A #2852AC #3F6ED2 #7193DE #A2B9E9

Accessibility & contrast

On white

4.80

#3F6ED2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#3F6ED2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ED2

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6ED2	#FFFFFF	#000000	##FFFFFF
##3F6ED2	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3879D6

Deuteranopia (green-blind)

#116CD0

Tritanopia (blue-blind)

#008596

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #3f6ed2;
/* rgb */ color: rgb(63, 110, 210);
/* oklch */ color: oklch(55.8% 0.163 263.2);

Tailwind

colors: {
  custom: {
    50: '#8597e0',
    500: '#3f6ed2',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ed2;
$custom-light: #8597e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ed2",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 210
  },
  "hsl": {
    "h": 220.816,
    "s": 62.025,
    "l": 53.529
  },
  "oklch": {
    "l": 0.55836,
    "c": 0.16272,
    "h": 263.2
  },
  "luminance": 0.16862
}

Semantic roles & 50–950 ramp

primary

#3F6ED2

secondary

#D6C297

accent

#B143E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F6ED2

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

Preview Lab → · Contrast checker → · Palette generator →