#3F6DC2#3F6DC2

#3F6DC2 is a mid, vivid blue. Relative luminance 0.159; OKLCH L 54.6% C 0.142 H 261.5°. Best body text is #FFFFFF at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F6DC2
RGB	rgb(63, 109, 194)
HSL	hsl(219, 52%, 50%)
HSV	hsv(219, 68%, 76%)
CMYK	cmyk(67.5%, 43.8%, 0%, 23.9%)
CIE-LAB	lab(46.83, 12.30, -49.19)
CIE-LCH	lch(46.83, 50.70, 284.04°)
OKLab	oklab(54.56% -0.0209 -0.1405)
OKLCH	oklch(54.56% 0.142 261.5)
XYZ	xyz(17.2527, 15.8874, 53.1858)
Luminance	0.1589 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6DC2 #C2943F

analogous

#3FAFC2 #3F6DC2 #523FC2

triadic

#3F6DC2 #C23F6D #6DC23F

tetradic

#3F6DC2 #C23FAF #C2943F #3FC252

square

#3F6DC2 #C23FAF #C2943F #3FC252

split-complementary

#3F6DC2 #C2523F #AFC23F

monochromatic

#203966 #2F5395 #3F6DC2 #6D90D1 #9CB4E0

Accessibility & contrast

On white

5.03

#3F6DC2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.18

#3F6DC2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6DC2

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6DC2	#FFFFFF	#000000	##FFFFFF
##3F6DC2	1.00	5.03	4.18	5.03
#FFFFFF	5.03	1.00	21.00	1.00
#000000	4.18	21.00	1.00	21.00
##FFFFFF	5.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4475C5

Deuteranopia (green-blind)

#2E69C0

Tritanopia (blue-blind)

#00818E

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f6dc2;
/* rgb */ color: rgb(63, 109, 194);
/* oklch */ color: oklch(54.6% 0.142 261.5);

Tailwind

colors: {
  custom: {
    50: '#8296d5',
    500: '#3f6dc2',
    950: '#000000',
  },
}

SCSS

$custom: #3f6dc2;
$custom-light: #8296d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6dc2",
  "rgb": {
    "r": 63,
    "g": 109,
    "b": 194
  },
  "hsl": {
    "h": 218.931,
    "s": 51.779,
    "l": 50.392
  },
  "oklch": {
    "l": 0.54556,
    "c": 0.1421,
    "h": 261.5
  },
  "luminance": 0.15889
}

Semantic roles & 50–950 ramp

primary

#3F6DC2

secondary

#CCB791

accent

#A94DDB

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F6DC2

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

Preview Lab → · Contrast checker → · Palette generator →