#3F67D8#3F67D8

#3F67D8 is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.8% C 0.179 H 266.0°. Best body text is #FFFFFF at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#3F67D8
RGB	rgb(63, 103, 216)
HSL	hsl(224, 66%, 55%)
HSV	hsv(224, 71%, 85%)
CMYK	cmyk(70.8%, 52.3%, 0%, 15.3%)
CIE-LAB	lab(46.60, 24.03, -62.16)
CIE-LCH	lch(46.60, 66.64, 291.13°)
OKLab	oklab(54.83% -0.0126 -0.1788)
OKLCH	oklch(54.83% 0.179 266)
XYZ	xyz(19.2905, 15.7131, 66.9687)
Luminance	0.1572 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67D8 #D8B03F

analogous

#3FB3D8 #3F67D8 #643FD8

triadic

#3F67D8 #D83F67 #67D83F

tetradic

#3F67D8 #D83FB3 #D8B03F #3FD864

square

#3F67D8 #D83FB3 #D8B03F #3FD864

split-complementary

#3F67D8 #D8643F #B3D83F

monochromatic

#1A3682 #254AB5 #3F67D8 #728FE2 #A5B8ED

Accessibility & contrast

On white

5.07

#3F67D8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.14

#3F67D8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67D8

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67D8	#FFFFFF	#000000	##FFFFFF
##3F67D8	1.00	5.07	4.14	5.07
#FFFFFF	5.07	1.00	21.00	1.00
#000000	4.14	21.00	1.00	21.00
##FFFFFF	5.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1976DC

Deuteranopia (green-blind)

#0068D6

Tritanopia (blue-blind)

#008295

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3f67d8;
/* rgb */ color: rgb(63, 103, 216);
/* oklch */ color: oklch(54.8% 0.179 266.0);

Tailwind

colors: {
  custom: {
    50: '#8791e5',
    500: '#3f67d8',
    950: '#000000',
  },
}

SCSS

$custom: #3f67d8;
$custom-light: #8791e5;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67d8",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 216
  },
  "hsl": {
    "h": 224.314,
    "s": 66.234,
    "l": 54.706
  },
  "oklch": {
    "l": 0.5483,
    "c": 0.17925,
    "h": 266
  },
  "luminance": 0.15715
}

Semantic roles & 50–950 ramp

primary

#3F67D8

secondary

#DAC999

accent

#BD3FE9

background

#F9F8FE

surface

#F1F0FC

border

#CBCBD5

text

#0D0C16

muted

#7E7D84

Preview Lab

Preview with #3F67D8

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

Preview Lab → · Contrast checker → · Palette generator →