#3865CE#3865CE

#3865CE is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.4% C 0.170 H 264.0°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3865CE
RGB	rgb(56, 101, 206)
HSL	hsl(222, 60%, 51%)
HSV	hsv(222, 73%, 81%)
CMYK	cmyk(72.8%, 51%, 0%, 19.2%)
CIE-LAB	lab(45.08, 20.72, -58.91)
CIE-LCH	lch(45.08, 62.44, 289.38°)
OKLab	oklab(53.39% -0.0177 -0.1694)
OKLCH	oklch(53.39% 0.17 264)
XYZ	xyz(17.4212, 14.6025, 60.2810)
Luminance	0.1460 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865CE #CEA138

analogous

#38B0CE #3865CE #5638CE

triadic

#3865CE #CE3865 #65CE38

tetradic

#3865CE #CE38B0 #CEA138 #38CE56

square

#3865CE #CE38B0 #CEA138 #38CE56

split-complementary

#3865CE #CE5638 #B0CE38

monochromatic

#1C3570 #284CA1 #3865CE #698BDA #9AB1E6

Accessibility & contrast

On white

5.36

#3865CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3865CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865CE

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865CE	#FFFFFF	#000000	##FFFFFF
##3865CE	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2372D2

Deuteranopia (green-blind)

#0064CC

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3865ce;
/* rgb */ color: rgb(56, 101, 206);
/* oklch */ color: oklch(53.4% 0.170 264.0);

Tailwind

colors: {
  custom: {
    50: '#8290de',
    500: '#3865ce',
    950: '#000000',
  },
}

SCSS

$custom: #3865ce;
$custom-light: #8290de;
$custom-dark: #000000;

JSON

{
  "hex": "#3865ce",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 206
  },
  "hsl": {
    "h": 222,
    "s": 60.484,
    "l": 51.373
  },
  "oklch": {
    "l": 0.53385,
    "c": 0.1703,
    "h": 264
  },
  "luminance": 0.14604
}

Semantic roles & 50–950 ramp

primary

#3865CE

secondary

#D2BE90

accent

#B444E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3865CE

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

Preview Lab → · Contrast checker → · Palette generator →