#3868CB#3868CB

#3868CB is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.8% C 0.163 H 262.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3868CB
RGB	rgb(56, 104, 203)
HSL	hsl(220, 59%, 51%)
HSV	hsv(220, 72%, 80%)
CMYK	cmyk(72.4%, 48.8%, 0%, 20.4%)
CIE-LAB	lab(45.70, 17.70, -56.18)
CIE-LCH	lch(45.70, 58.91, 287.49°)
OKLab	oklab(53.79% -0.0206 -0.1613)
OKLCH	oklch(53.79% 0.163 262.7)
XYZ	xyz(17.3569, 15.0513, 58.4788)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3868CB #CB9B38

analogous

#38B2CB #3868CB #5138CB

triadic

#3868CB #CB3868 #68CB38

tetradic

#3868CB #CB38B2 #CB9B38 #38CB51

square

#3868CB #CB38B2 #CB9B38 #38CB51

split-complementary

#3868CB #CB5138 #B2CB38

monochromatic

#1C366C #294F9D #3868CB #698DD8 #99B2E4

Accessibility & contrast

On white

5.24

#3868CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3868CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3868CB

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3868CB	#FFFFFF	#000000	##FFFFFF
##3868CB	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3073CF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#007F90

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3868cb;
/* rgb */ color: rgb(56, 104, 203);
/* oklch */ color: oklch(53.8% 0.163 262.7);

Tailwind

colors: {
  custom: {
    50: '#8192db',
    500: '#3868cb',
    950: '#000000',
  },
}

SCSS

$custom: #3868cb;
$custom-light: #8192db;
$custom-dark: #000000;

JSON

{
  "hex": "#3868cb",
  "rgb": {
    "r": 56,
    "g": 104,
    "b": 203
  },
  "hsl": {
    "h": 220.408,
    "s": 58.566,
    "l": 50.784
  },
  "oklch": {
    "l": 0.53794,
    "c": 0.16262,
    "h": 262.7
  },
  "luminance": 0.15053
}

Semantic roles & 50–950 ramp

primary

#3868CB

secondary

#D0BB8F

accent

#AF46E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3868CB

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

Preview Lab → · Contrast checker → · Palette generator →