#3F6DC0#3F6DC0

#3F6DC0 is a mid, vivid blue. Relative luminance 0.158; OKLCH L 54.4% C 0.139 H 261.2°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#3F6DC0
RGB	rgb(63, 109, 192)
HSL	hsl(219, 51%, 50%)
HSV	hsv(219, 67%, 75%)
CMYK	cmyk(67.2%, 43.2%, 0%, 24.7%)
CIE-LAB	lab(46.71, 11.58, -48.22)
CIE-LCH	lch(46.71, 49.59, 283.50°)
OKLab	oklab(54.43% -0.0213 -0.1377)
OKLCH	oklch(54.43% 0.139 261.2)
XYZ	xyz(17.0296, 15.7981, 52.0108)
Luminance	0.1580 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6DC0 #C0923F

analogous

#3FADC0 #3F6DC0 #523FC0

triadic

#3F6DC0 #C03F6D #6DC03F

tetradic

#3F6DC0 #C03FAD #C0923F #3FC052

square

#3F6DC0 #C03FAD #C0923F #3FC052

split-complementary

#3F6DC0 #C0523F #ADC03F

monochromatic

#213964 #305392 #3F6DC0 #6D90CF #9BB3DE

Accessibility & contrast

On white

5.05

#3F6DC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#3F6DC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6DC0

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6DC0	#FFFFFF	#000000	##FFFFFF
##3F6DC0	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4675C3

Deuteranopia (green-blind)

#3069BE

Tritanopia (blue-blind)

#00808D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f6dc0;
/* rgb */ color: rgb(63, 109, 192);
/* oklch */ color: oklch(54.4% 0.139 261.2);

Tailwind

colors: {
  custom: {
    50: '#8296d3',
    500: '#3f6dc0',
    950: '#000000',
  },
}

SCSS

$custom: #3f6dc0;
$custom-light: #8296d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6dc0",
  "rgb": {
    "r": 63,
    "g": 109,
    "b": 192
  },
  "hsl": {
    "h": 218.605,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.54427,
    "c": 0.13935,
    "h": 261.2
  },
  "luminance": 0.158
}

Semantic roles & 50–950 ramp

primary

#3F6DC0

secondary

#CAB691

accent

#A84EDA

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F6DC0

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

Preview Lab → · Contrast checker → · Palette generator →