#3F6EC0#3F6EC0

#3F6EC0 is a mid, vivid blue. Relative luminance 0.160; OKLCH L 54.6% C 0.138 H 260.7°. Best body text is #FFFFFF at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#3F6EC0
RGB	rgb(63, 110, 192)
HSL	hsl(218, 51%, 50%)
HSV	hsv(218, 67%, 75%)
CMYK	cmyk(67.2%, 42.7%, 0%, 24.7%)
CIE-LAB	lab(46.99, 10.95, -47.77)
CIE-LCH	lch(46.99, 49.01, 282.91°)
OKLab	oklab(54.65% -0.0223 -0.1364)
OKLCH	oklch(54.65% 0.138 260.7)
XYZ	xyz(17.1369, 16.0127, 52.0466)
Luminance	0.1601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6EC0 #C0913F

analogous

#3FAEC0 #3F6EC0 #513FC0

triadic

#3F6EC0 #C03F6E #6EC03F

tetradic

#3F6EC0 #C03FAE #C0913F #3FC051

square

#3F6EC0 #C03FAE #C0913F #3FC051

split-complementary

#3F6EC0 #C0513F #AEC03F

monochromatic

#213964 #305492 #3F6EC0 #6D91CF #9BB4DE

Accessibility & contrast

On white

5.00

#3F6EC0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.20

#3F6EC0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6EC0

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6EC0	#FFFFFF	#000000	##FFFFFF
##3F6EC0	1.00	5.00	4.20	5.00
#FFFFFF	5.00	1.00	21.00	1.00
#000000	4.20	21.00	1.00	21.00
##FFFFFF	5.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4776C3

Deuteranopia (green-blind)

#326ABE

Tritanopia (blue-blind)

#00818D

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #3f6ec0;
/* rgb */ color: rgb(63, 110, 192);
/* oklch */ color: oklch(54.6% 0.138 260.7);

Tailwind

colors: {
  custom: {
    50: '#8297d3',
    500: '#3f6ec0',
    950: '#000000',
  },
}

SCSS

$custom: #3f6ec0;
$custom-light: #8297d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6ec0",
  "rgb": {
    "r": 63,
    "g": 110,
    "b": 192
  },
  "hsl": {
    "h": 218.14,
    "s": 50.588,
    "l": 50
  },
  "oklch": {
    "l": 0.54645,
    "c": 0.13818,
    "h": 260.7
  },
  "luminance": 0.16014
}

Semantic roles & 50–950 ramp

primary

#3F6EC0

secondary

#CAB591

accent

#A74EDA

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0D14

muted

#7D7E83

Preview Lab

Preview with #3F6EC0

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

Preview Lab → · Contrast checker → · Palette generator →