#3F6ACA#3F6ACA

#3F6ACA is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.4% C 0.157 H 263.8°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F6ACA
RGB	rgb(63, 106, 202)
HSL	hsl(221, 57%, 52%)
HSV	hsv(221, 69%, 79%)
CMYK	cmyk(68.8%, 47.5%, 0%, 20.8%)
CIE-LAB	lab(46.48, 17.07, -54.34)
CIE-LCH	lch(46.48, 56.96, 287.44°)
OKLab	oklab(54.45% -0.0168 -0.1557)
OKLCH	oklch(54.45% 0.157 263.8)
XYZ	xyz(17.8608, 15.6273, 57.9407)
Luminance	0.1563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F6ACA #CA9F3F

analogous

#3FB0CA #3F6ACA #5A3FCA

triadic

#3F6ACA #CA3F6A #6ACA3F

tetradic

#3F6ACA #CA3FB0 #CA9F3F #3FCA5A

square

#3F6ACA #CA3FB0 #CA9F3F #3FCA5A

split-complementary

#3F6ACA #CA5A3F #B0CA3F

monochromatic

#1F3870 #2C50A0 #3F6ACA #6F8FD7 #9FB4E4

Accessibility & contrast

On white

5.09

#3F6ACA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3F6ACA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F6ACA

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F6ACA	#FFFFFF	#000000	##FFFFFF
##3F6ACA	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3775CE

Deuteranopia (green-blind)

#1568C8

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f6aca;
/* rgb */ color: rgb(63, 106, 202);
/* oklch */ color: oklch(54.4% 0.157 263.8);

Tailwind

colors: {
  custom: {
    50: '#8494db',
    500: '#3f6aca',
    950: '#000000',
  },
}

SCSS

$custom: #3f6aca;
$custom-light: #8494db;
$custom-dark: #000000;

JSON

{
  "hex": "#3f6aca",
  "rgb": {
    "r": 63,
    "g": 106,
    "b": 202
  },
  "hsl": {
    "h": 221.439,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.54448,
    "c": 0.15666,
    "h": 263.8
  },
  "luminance": 0.15629
}

Semantic roles & 50–950 ramp

primary

#3F6ACA

secondary

#D1BE94

accent

#B148E0

background

#F8F9FD

surface

#F0F1FB

border

#CBCBD4

text

#0C0D15

muted

#7D7E83

Preview Lab

Preview with #3F6ACA

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

Preview Lab → · Contrast checker → · Palette generator →