#3F68CA#3F68CA

#3F68CA is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.0% C 0.159 H 264.6°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#3F68CA
RGB	rgb(63, 104, 202)
HSL	hsl(222, 57%, 52%)
HSV	hsv(222, 69%, 79%)
CMYK	cmyk(68.8%, 48.5%, 0%, 20.8%)
CIE-LAB	lab(45.93, 18.34, -55.22)
CIE-LCH	lch(45.93, 58.19, 288.37°)
OKLab	oklab(54.03% -0.015 -0.1584)
OKLCH	oklch(54.03% 0.159 264.6)
XYZ	xyz(17.6571, 15.2199, 57.8728)
Luminance	0.1522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68CA #CAA13F

analogous

#3FAECA #3F68CA #5C3FCA

triadic

#3F68CA #CA3F68 #68CA3F

tetradic

#3F68CA #CA3FAE #CAA13F #3FCA5C

square

#3F68CA #CA3FAE #CAA13F #3FCA5C

split-complementary

#3F68CA #CA5C3F #AECA3F

monochromatic

#1F3770 #2C4EA0 #3F68CA #6F8ED7 #9FB3E4

Accessibility & contrast

On white

5.19

#3F68CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3F68CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68CA

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68CA	#FFFFFF	#000000	##FFFFFF
##3F68CA	1.00	5.19	4.04	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3274CE

Deuteranopia (green-blind)

#0967C8

Tritanopia (blue-blind)

#007F8F

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f68ca;
/* rgb */ color: rgb(63, 104, 202);
/* oklch */ color: oklch(54.0% 0.159 264.6);

Tailwind

colors: {
  custom: {
    50: '#8492db',
    500: '#3f68ca',
    950: '#000000',
  },
}

SCSS

$custom: #3f68ca;
$custom-light: #8492db;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68ca",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 202
  },
  "hsl": {
    "h": 222.302,
    "s": 56.735,
    "l": 51.961
  },
  "oklch": {
    "l": 0.5403,
    "c": 0.15909,
    "h": 264.6
  },
  "luminance": 0.15222
}

Semantic roles & 50–950 ramp

primary

#3F68CA

secondary

#D1BF94

accent

#B348E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3F68CA

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

Preview Lab → · Contrast checker → · Palette generator →