#3F67D1#3F67D1

#3F67D1 is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.3% C 0.170 H 265.5°. Best body text is #FFFFFF at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#3F67D1
RGB	rgb(63, 103, 209)
HSL	hsl(224, 61%, 53%)
HSV	hsv(224, 70%, 82%)
CMYK	cmyk(69.9%, 50.7%, 0%, 18%)
CIE-LAB	lab(46.12, 21.50, -58.93)
CIE-LCH	lch(46.12, 62.73, 290.04°)
OKLab	oklab(54.32% -0.0133 -0.1693)
OKLCH	oklch(54.32% 0.17 265.5)
XYZ	xyz(18.4047, 15.3588, 62.3038)
Luminance	0.1536 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67D1 #D1A93F

analogous

#3FB0D1 #3F67D1 #603FD1

triadic

#3F67D1 #D13F67 #67D13F

tetradic

#3F67D1 #D13FB0 #D1A93F #3FD160

square

#3F67D1 #D13FB0 #D1A93F #3FD160

split-complementary

#3F67D1 #D1603F #B0D13F

monochromatic

#1D3679 #294CAA #3F67D1 #708EDD #A2B5E9

Accessibility & contrast

On white

5.16

#3F67D1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.07

#3F67D1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67D1

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67D1	#FFFFFF	#000000	##FFFFFF
##3F67D1	1.00	5.16	4.07	5.16
#FFFFFF	5.16	1.00	21.00	1.00
#000000	4.07	21.00	1.00	21.00
##FFFFFF	5.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2674D5

Deuteranopia (green-blind)

#0067CF

Tritanopia (blue-blind)

#008092

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3f67d1;
/* rgb */ color: rgb(63, 103, 209);
/* oklch */ color: oklch(54.3% 0.170 265.5);

Tailwind

colors: {
  custom: {
    50: '#8591e0',
    500: '#3f67d1',
    950: '#000000',
  },
}

SCSS

$custom: #3f67d1;
$custom-light: #8591e0;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67d1",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 209
  },
  "hsl": {
    "h": 223.562,
    "s": 61.345,
    "l": 53.333
  },
  "oklch": {
    "l": 0.54319,
    "c": 0.16983,
    "h": 265.5
  },
  "luminance": 0.15361
}

Semantic roles & 50–950 ramp

primary

#3F67D1

secondary

#D5C497

accent

#B843E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3F67D1

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

Preview Lab → · Contrast checker → · Palette generator →