#3967BB#3967BB

#3967BB is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.5% C 0.142 H 261.3°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3967BB
RGB	rgb(57, 103, 187)
HSL	hsl(219, 53%, 48%)
HSV	hsv(219, 70%, 73%)
CMYK	cmyk(69.5%, 44.9%, 0%, 26.7%)
CIE-LAB	lab(44.46, 12.61, -48.95)
CIE-LCH	lch(44.46, 50.54, 284.44°)
OKLab	oklab(52.52% -0.0214 -0.14)
OKLCH	oklch(52.52% 0.142 261.3)
XYZ	xyz(15.5040, 14.1566, 48.9195)
Luminance	0.1416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3967BB #BB8D39

analogous

#39A8BB #3967BB #4C39BB

triadic

#3967BB #BB3967 #67BB39

tetradic

#3967BB #BB39A8 #BB8D39 #39BB4C

square

#3967BB #BB39A8 #BB8D39 #39BB4C

split-complementary

#3967BB #BB4C39 #A8BB39

monochromatic

#1C335D #2B4D8C #3967BB #6289CF #91ACDD

Accessibility & contrast

On white

5.48

#3967BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3967BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3967BB

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3967BB	#FFFFFF	#000000	##FFFFFF
##3967BB	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D70BE

Deuteranopia (green-blind)

#2564B9

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3967bb;
/* rgb */ color: rgb(57, 103, 187);
/* oklch */ color: oklch(52.5% 0.142 261.3);

Tailwind

colors: {
  custom: {
    50: '#7e91d0',
    500: '#3967bb',
    950: '#000000',
  },
}

SCSS

$custom: #3967bb;
$custom-light: #7e91d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3967bb",
  "rgb": {
    "r": 57,
    "g": 103,
    "b": 187
  },
  "hsl": {
    "h": 218.769,
    "s": 53.279,
    "l": 47.843
  },
  "oklch": {
    "l": 0.52524,
    "c": 0.14165,
    "h": 261.3
  },
  "luminance": 0.14158
}

Semantic roles & 50–950 ramp

primary

#3967BB

secondary

#C8B187

accent

#A94BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3967BB

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

Preview Lab → · Contrast checker → · Palette generator →