#3F67C5#3F67C5

#3F67C5 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.153 H 264.5°. Best body text is #FFFFFF at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#3F67C5
RGB	rgb(63, 103, 197)
HSL	hsl(222, 54%, 51%)
HSV	hsv(222, 68%, 77%)
CMYK	cmyk(68%, 47.7%, 0%, 22.7%)
CIE-LAB	lab(45.34, 17.17, -53.30)
CIE-LCH	lch(45.34, 56.00, 287.86°)
OKLab	oklab(53.47% -0.0148 -0.1527)
OKLCH	oklch(53.47% 0.153 264.5)
XYZ	xyz(16.9747, 14.7868, 54.7721)
Luminance	0.1479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67C5 #C59D3F

analogous

#3FAAC5 #3F67C5 #5A3FC5

triadic

#3F67C5 #C53F67 #67C53F

tetradic

#3F67C5 #C53FAA #C59D3F #3FC55A

square

#3F67C5 #C53FAA #C59D3F #3FC55A

split-complementary

#3F67C5 #C55A3F #AAC53F

monochromatic

#20366A #2E4E99 #3F67C5 #6E8CD3 #9DB1E1

Accessibility & contrast

On white

5.31

#3F67C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#3F67C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67C5

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67C5	#FFFFFF	#000000	##FFFFFF
##3F67C5	1.00	5.31	3.96	5.31
#FFFFFF	5.31	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3572C8

Deuteranopia (green-blind)

#1566C3

Tritanopia (blue-blind)

#007D8C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f67c5;
/* rgb */ color: rgb(63, 103, 197);
/* oklch */ color: oklch(53.5% 0.153 264.5);

Tailwind

colors: {
  custom: {
    50: '#8391d7',
    500: '#3f67c5',
    950: '#000000',
  },
}

SCSS

$custom: #3f67c5;
$custom-light: #8391d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67c5",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 197
  },
  "hsl": {
    "h": 222.09,
    "s": 53.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53474,
    "c": 0.15345,
    "h": 264.5
  },
  "luminance": 0.14788
}

Semantic roles & 50–950 ramp

primary

#3F67C5

secondary

#CEBC92

accent

#B14BDD

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3F67C5

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

Preview Lab → · Contrast checker → · Palette generator →