#3F67BF#3F67BF

#3F67BF is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.1% C 0.145 H 263.8°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3F67BF
RGB	rgb(63, 103, 191)
HSL	hsl(221, 50%, 50%)
HSV	hsv(221, 67%, 75%)
CMYK	cmyk(67%, 46.1%, 0%, 25.1%)
CIE-LAB	lab(44.97, 15.01, -50.43)
CIE-LCH	lch(44.97, 52.62, 286.58°)
OKLab	oklab(53.07% -0.0157 -0.1443)
OKLCH	oklch(53.07% 0.145 263.8)
XYZ	xyz(16.3008, 14.5173, 51.2232)
Luminance	0.1452 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F67BF #BF973F

analogous

#3FA7BF #3F67BF #573FBF

triadic

#3F67BF #BF3F67 #67BF3F

tetradic

#3F67BF #BF3FA7 #BF973F #3FBF57

square

#3F67BF #BF3FA7 #BF973F #3FBF57

split-complementary

#3F67BF #BF573F #A7BF3F

monochromatic

#213563 #304E91 #3F67BF #6D8BCF #9BB0DE

Accessibility & contrast

On white

5.38

#3F67BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#3F67BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F67BF

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F67BF	#FFFFFF	#000000	##FFFFFF
##3F67BF	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B71C2

Deuteranopia (green-blind)

#2265BD

Tritanopia (blue-blind)

#007B8A

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3f67bf;
/* rgb */ color: rgb(63, 103, 191);
/* oklch */ color: oklch(53.1% 0.145 263.8);

Tailwind

colors: {
  custom: {
    50: '#8291d3',
    500: '#3f67bf',
    950: '#000000',
  },
}

SCSS

$custom: #3f67bf;
$custom-light: #8291d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3f67bf",
  "rgb": {
    "r": 63,
    "g": 103,
    "b": 191
  },
  "hsl": {
    "h": 221.25,
    "s": 50.394,
    "l": 49.804
  },
  "oklch": {
    "l": 0.53066,
    "c": 0.14515,
    "h": 263.8
  },
  "luminance": 0.14519
}

Semantic roles & 50–950 ramp

primary

#3F67BF

secondary

#CAB890

accent

#AE4EDA

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3F67BF

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

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