#3F68C8#3F68C8

#3F68C8 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.9% C 0.156 H 264.4°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3F68C8
RGB	rgb(63, 104, 200)
HSL	hsl(222, 55%, 52%)
HSV	hsv(222, 69%, 78%)
CMYK	cmyk(68.5%, 48%, 0%, 21.6%)
CIE-LAB	lab(45.81, 17.62, -54.28)
CIE-LCH	lch(45.81, 57.07, 287.98°)
OKLab	oklab(53.89% -0.0153 -0.1556)
OKLCH	oklch(53.89% 0.156 264.4)
XYZ	xyz(17.4219, 15.1258, 56.6338)
Luminance	0.1513 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F68C8 #C89F3F

analogous

#3FADC8 #3F68C8 #5B3FC8

triadic

#3F68C8 #C83F68 #68C83F

tetradic

#3F68C8 #C83FAD #C89F3F #3FC85B

square

#3F68C8 #C83FAD #C89F3F #3FC85B

split-complementary

#3F68C8 #C85B3F #ADC83F

monochromatic

#1F376D #2D4E9D #3F68C8 #6F8DD6 #9EB3E3

Accessibility & contrast

On white

5.22

#3F68C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#3F68C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F68C8

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F68C8	#FFFFFF	#000000	##FFFFFF
##3F68C8	1.00	5.22	4.03	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3473CC

Deuteranopia (green-blind)

#1167C6

Tritanopia (blue-blind)

#007E8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f68c8;
/* rgb */ color: rgb(63, 104, 200);
/* oklch */ color: oklch(53.9% 0.156 264.4);

Tailwind

colors: {
  custom: {
    50: '#8392d9',
    500: '#3f68c8',
    950: '#000000',
  },
}

SCSS

$custom: #3f68c8;
$custom-light: #8392d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f68c8",
  "rgb": {
    "r": 63,
    "g": 104,
    "b": 200
  },
  "hsl": {
    "h": 222.044,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53891,
    "c": 0.15635,
    "h": 264.4
  },
  "luminance": 0.15128
}

Semantic roles & 50–950 ramp

primary

#3F68C8

secondary

#D0BD93

accent

#B249DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3F68C8

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

Preview Lab → · Contrast checker → · Palette generator →