#3F67C8#3F67C8

#3F67C8 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.7% C 0.158 H 264.8°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#3F67C8
RGB	rgb(63, 103, 200)
HSL	hsl(222, 55%, 52%)
HSV	hsv(222, 69%, 78%)
CMYK	cmyk(68.5%, 48.5%, 0%, 21.6%)
CIE-LAB	lab(45.53, 18.25, -54.72)
CIE-LCH	lch(45.53, 57.69, 288.45°)
OKLab	oklab(53.68% -0.0144 -0.1569)
OKLCH	oklch(53.68% 0.158 264.8)
XYZ	xyz(17.3218, 14.9257, 56.6004)
Luminance	0.1493 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67C8 #C8A03F

analogous

#3FACC8 #3F67C8 #5C3FC8

triadic

#3F67C8 #C83F67 #67C83F

tetradic

#3F67C8 #C83FAC #C8A03F #3FC85C

square

#3F67C8 #C83FAC #C8A03F #3FC85C

split-complementary

#3F67C8 #C85C3F #ACC83F

monochromatic

#1F366D #2D4E9D #3F67C8 #6F8DD6 #9EB2E3

Accessibility & contrast

On white

5.27

#3F67C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.99

#3F67C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67C8

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67C8	#FFFFFF	#000000	##FFFFFF
##3F67C8	1.00	5.27	3.99	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.99	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3272CC

Deuteranopia (green-blind)

#0B66C6

Tritanopia (blue-blind)

#007E8E

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3f67c8;
/* rgb */ color: rgb(63, 103, 200);
/* oklch */ color: oklch(53.7% 0.158 264.8);

Tailwind

colors: {
  custom: {
    50: '#8391d9',
    500: '#3f67c8',
    950: '#000000',
  },
}

SCSS

$custom: #3f67c8;
$custom-light: #8391d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67c8",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 200
  },
  "hsl": {
    "h": 222.482,
    "s": 55.466,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53682,
    "c": 0.15757,
    "h": 264.8
  },
  "luminance": 0.14927
}

Semantic roles & 50–950 ramp

primary

#3F67C8

secondary

#D0BE93

accent

#B349DF

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F67C8

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

Preview Lab → · Contrast checker → · Palette generator →