#3867CB#3867CB

#3867CB is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.6% C 0.164 H 263.1°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3867CB
RGB	rgb(56, 103, 203)
HSL	hsl(221, 59%, 51%)
HSV	hsv(221, 72%, 80%)
CMYK	cmyk(72.4%, 49.3%, 0%, 20.4%)
CIE-LAB	lab(45.43, 18.34, -56.63)
CIE-LCH	lch(45.43, 59.52, 287.95°)
OKLab	oklab(53.58% -0.0197 -0.1626)
OKLCH	oklch(53.58% 0.164 263.1)
XYZ	xyz(17.2568, 14.8512, 58.4454)
Luminance	0.1485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3867CB #CB9C38

analogous

#38B1CB #3867CB #5238CB

triadic

#3867CB #CB3867 #67CB38

tetradic

#3867CB #CB38B1 #CB9C38 #38CB52

square

#3867CB #CB38B1 #CB9C38 #38CB52

split-complementary

#3867CB #CB5238 #B1CB38

monochromatic

#1C366C #294E9D #3867CB #698CD8 #99B1E4

Accessibility & contrast

On white

5.29

#3867CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3867CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3867CB

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3867CB	#FFFFFF	#000000	##FFFFFF
##3867CB	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007F8F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3867cb;
/* rgb */ color: rgb(56, 103, 203);
/* oklch */ color: oklch(53.6% 0.164 263.1);

Tailwind

colors: {
  custom: {
    50: '#8191db',
    500: '#3867cb',
    950: '#000000',
  },
}

SCSS

$custom: #3867cb;
$custom-light: #8191db;
$custom-dark: #000000;

JSON

{
  "hex": "#3867cb",
  "rgb": {
    "r": 56,
    "g": 103,
    "b": 203
  },
  "hsl": {
    "h": 220.816,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53584,
    "c": 0.16383,
    "h": 263.1
  },
  "luminance": 0.14853
}

Semantic roles & 50–950 ramp

primary

#3867CB

secondary

#D0BB8F

accent

#B046E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3867CB

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

Preview Lab → · Contrast checker → · Palette generator →