#3867BB#3867BB

#3867BB is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.5% C 0.142 H 261.0°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#3867BB
RGB	rgb(56, 103, 187)
HSL	hsl(218, 54%, 48%)
HSV	hsv(218, 70%, 73%)
CMYK	cmyk(70.1%, 44.9%, 0%, 26.7%)
CIE-LAB	lab(44.42, 12.45, -49.01)
CIE-LCH	lch(44.42, 50.57, 284.25°)
OKLab	oklab(52.48% -0.0222 -0.1403)
OKLCH	oklch(52.48% 0.142 261)
XYZ	xyz(15.4476, 14.1275, 48.9168)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3867BB #BB8C38

analogous

#38A9BB #3867BB #4A38BB

triadic

#3867BB #BB3867 #67BB38

tetradic

#3867BB #BB38A9 #BB8C38 #38BB4A

square

#3867BB #BB38A9 #BB8C38 #38BB4A

split-complementary

#3867BB #BB4A38 #A9BB38

monochromatic

#1C335D #2A4D8C #3867BB #6188D0 #90ACDE

Accessibility & contrast

On white

5.49

#3867BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3867BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3867BB

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3867BB	#FFFFFF	#000000	##FFFFFF
##3867BB	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6FBE

Deuteranopia (green-blind)

#2463B9

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3867bb;
/* rgb */ color: rgb(56, 103, 187);
/* oklch */ color: oklch(52.5% 0.142 261.0);

Tailwind

colors: {
  custom: {
    50: '#7e91d0',
    500: '#3867bb',
    950: '#000000',
  },
}

SCSS

$custom: #3867bb;
$custom-light: #7e91d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3867bb",
  "rgb": {
    "r": 56,
    "g": 103,
    "b": 187
  },
  "hsl": {
    "h": 218.473,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.5248,
    "c": 0.14199,
    "h": 261
  },
  "luminance": 0.14129
}

Semantic roles & 50–950 ramp

primary

#3867BB

secondary

#C8B186

accent

#A94BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3867BB

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

Preview Lab → · Contrast checker → · Palette generator →