#3F67BE#3F67BE

#3F67BE is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.0% C 0.144 H 263.7°. Best body text is #FFFFFF at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#3F67BE
RGB	rgb(63, 103, 190)
HSL	hsl(221, 50%, 50%)
HSV	hsv(221, 67%, 75%)
CMYK	cmyk(66.8%, 45.8%, 0%, 25.5%)
CIE-LAB	lab(44.90, 14.65, -49.95)
CIE-LCH	lch(44.90, 52.06, 286.35°)
OKLab	oklab(53% -0.0159 -0.1429)
OKLCH	oklch(53% 0.144 263.7)
XYZ	xyz(16.1911, 14.4734, 50.6456)
Luminance	0.1447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67BE #BE963F

analogous

#3FA7BE #3F67BE #563FBE

triadic

#3F67BE #BE3F67 #67BE3F

tetradic

#3F67BE #BE3FA7 #BE963F #3FBE56

square

#3F67BE #BE3FA7 #BE963F #3FBE56

split-complementary

#3F67BE #BE563F #A7BE3F

monochromatic

#213562 #304E90 #3F67BE #6C8BCE #9AAFDD

Accessibility & contrast

On white

5.39

#3F67BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3F67BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67BE

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67BE	#FFFFFF	#000000	##FFFFFF
##3F67BE	1.00	5.39	3.89	5.39
#FFFFFF	5.39	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C70C1

Deuteranopia (green-blind)

#2465BC

Tritanopia (blue-blind)

#007B89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f67be;
/* rgb */ color: rgb(63, 103, 190);
/* oklch */ color: oklch(53.0% 0.144 263.7);

Tailwind

colors: {
  custom: {
    50: '#8291d2',
    500: '#3f67be',
    950: '#000000',
  },
}

SCSS

$custom: #3f67be;
$custom-light: #8291d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67be",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 190
  },
  "hsl": {
    "h": 221.102,
    "s": 50.198,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52999,
    "c": 0.14377,
    "h": 263.7
  },
  "luminance": 0.14475
}

Semantic roles & 50–950 ramp

primary

#3F67BE

secondary

#C9B78F

accent

#AE4EDA

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #3F67BE

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

Preview Lab → · Contrast checker → · Palette generator →