#3F6BC2#3F6BC2

#3F6BC2 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.1% C 0.144 H 262.4°. Best body text is #FFFFFF at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#3F6BC2
RGB	rgb(63, 107, 194)
HSL	hsl(220, 52%, 50%)
HSV	hsv(220, 68%, 76%)
CMYK	cmyk(67.5%, 44.8%, 0%, 23.9%)
CIE-LAB	lab(46.27, 13.56, -50.09)
CIE-LCH	lch(46.27, 51.89, 285.15°)
OKLab	oklab(54.12% -0.019 -0.1432)
OKLCH	oklch(54.12% 0.144 262.4)
XYZ	xyz(17.0418, 15.4655, 53.1155)
Luminance	0.1547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6BC2 #C2963F

analogous

#3FADC2 #3F6BC2 #543FC2

triadic

#3F6BC2 #C23F6B #6BC23F

tetradic

#3F6BC2 #C23FAD #C2963F #3FC254

square

#3F6BC2 #C23FAD #C2963F #3FC254

split-complementary

#3F6BC2 #C2543F #ADC23F

monochromatic

#203866 #2F5195 #3F6BC2 #6D8FD1 #9CB3E0

Accessibility & contrast

On white

5.13

#3F6BC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.09

#3F6BC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6BC2

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6BC2	#FFFFFF	#000000	##FFFFFF
##3F6BC2	1.00	5.13	4.09	5.13
#FFFFFF	5.13	1.00	21.00	1.00
#000000	4.09	21.00	1.00	21.00
##FFFFFF	5.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4074C5

Deuteranopia (green-blind)

#2968C0

Tritanopia (blue-blind)

#007F8D

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f6bc2;
/* rgb */ color: rgb(63, 107, 194);
/* oklch */ color: oklch(54.1% 0.144 262.4);

Tailwind

colors: {
  custom: {
    50: '#8294d5',
    500: '#3f6bc2',
    950: '#000000',
  },
}

SCSS

$custom: #3f6bc2;
$custom-light: #8294d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6bc2",
  "rgb": {
    "r": 63,
    "g": 107,
    "b": 194
  },
  "hsl": {
    "h": 219.847,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.54124,
    "c": 0.14448,
    "h": 262.4
  },
  "luminance": 0.15467
}

Semantic roles & 50–950 ramp

primary

#3F6BC2

secondary

#CCB891

accent

#AB4DDB

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F6BC2

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

Preview Lab → · Contrast checker → · Palette generator →