#3865C7#3865C7

#3865C7 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.9% C 0.161 H 263.4°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3865C7
RGB	rgb(56, 101, 199)
HSL	hsl(221, 56%, 50%)
HSV	hsv(221, 72%, 78%)
CMYK	cmyk(71.9%, 49.2%, 0%, 22%)
CIE-LAB	lab(44.62, 18.15, -55.63)
CIE-LCH	lch(44.62, 58.52, 288.06°)
OKLab	oklab(52.88% -0.0185 -0.1597)
OKLCH	oklch(52.88% 0.161 263.4)
XYZ	xyz(16.5897, 14.2699, 55.9018)
Luminance	0.1427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865C7 #C79A38

analogous

#38ACC7 #3865C7 #5338C7

triadic

#3865C7 #C73865 #65C738

tetradic

#3865C7 #C738AC #C79A38 #38C753

square

#3865C7 #C738AC #C79A38 #38C753

split-complementary

#3865C7 #C75338 #ACC738

monochromatic

#1D3567 #2B4D97 #3865C7 #688AD4 #98AFE2

Accessibility & contrast

On white

5.45

#3865C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3865C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865C7

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865C7	#FFFFFF	#000000	##FFFFFF
##3865C7	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D70CB

Deuteranopia (green-blind)

#0063C5

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3865c7;
/* rgb */ color: rgb(56, 101, 199);
/* oklch */ color: oklch(52.9% 0.161 263.4);

Tailwind

colors: {
  custom: {
    50: '#8090d9',
    500: '#3865c7',
    950: '#000000',
  },
}

SCSS

$custom: #3865c7;
$custom-light: #8090d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3865c7",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 199
  },
  "hsl": {
    "h": 221.119,
    "s": 56.078,
    "l": 50
  },
  "oklch": {
    "l": 0.5288,
    "c": 0.16082,
    "h": 263.4
  },
  "luminance": 0.14272
}

Semantic roles & 50–950 ramp

primary

#3865C7

secondary

#CDB98D

accent

#B048DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3865C7

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

Preview Lab → · Contrast checker → · Palette generator →