#3865C8#3865C8

#3865C8 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.162 H 263.5°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3865C8
RGB	rgb(56, 101, 200)
HSL	hsl(221, 57%, 50%)
HSV	hsv(221, 72%, 78%)
CMYK	cmyk(72%, 49.5%, 0%, 21.6%)
CIE-LAB	lab(44.68, 18.51, -56.10)
CIE-LCH	lch(44.68, 59.08, 288.26°)
OKLab	oklab(52.95% -0.0184 -0.1611)
OKLCH	oklch(52.95% 0.162 263.5)
XYZ	xyz(16.7062, 14.3165, 56.5153)
Luminance	0.1432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865C8 #C89B38

analogous

#38ADC8 #3865C8 #5338C8

triadic

#3865C8 #C83865 #65C838

tetradic

#3865C8 #C838AD #C89B38 #38C853

square

#3865C8 #C838AD #C89B38 #38C853

split-complementary

#3865C8 #C85338 #ADC838

monochromatic

#1D3569 #2A4D99 #3865C8 #688AD5 #98AFE3

Accessibility & contrast

On white

5.44

#3865C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3865C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865C8

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865C8	#FFFFFF	#000000	##FFFFFF
##3865C8	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C71CC

Deuteranopia (green-blind)

#0063C6

Tritanopia (blue-blind)

#007C8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3865c8;
/* rgb */ color: rgb(56, 101, 200);
/* oklch */ color: oklch(53.0% 0.162 263.5);

Tailwind

colors: {
  custom: {
    50: '#8190d9',
    500: '#3865c8',
    950: '#000000',
  },
}

SCSS

$custom: #3865c8;
$custom-light: #8190d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3865c8",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 200
  },
  "hsl": {
    "h": 221.25,
    "s": 56.693,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52951,
    "c": 0.16219,
    "h": 263.5
  },
  "luminance": 0.14318
}

Semantic roles & 50–950 ramp

primary

#3865C8

secondary

#CEBA8E

accent

#B048E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3865C8

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

Preview Lab → · Contrast checker → · Palette generator →