#3865C5#3865C5

#3865C5 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.7% C 0.158 H 263.2°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3865C5
RGB	rgb(56, 101, 197)
HSL	hsl(221, 56%, 50%)
HSV	hsv(221, 72%, 77%)
CMYK	cmyk(71.6%, 48.7%, 0%, 22.7%)
CIE-LAB	lab(44.49, 17.41, -54.69)
CIE-LCH	lch(44.49, 57.40, 287.66°)
OKLab	oklab(52.74% -0.0188 -0.157)
OKLCH	oklch(52.74% 0.158 263.2)
XYZ	xyz(16.3590, 14.1776, 54.6869)
Luminance	0.1418 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865C5 #C59838

analogous

#38ACC5 #3865C5 #5238C5

triadic

#3865C5 #C53865 #65C538

tetradic

#3865C5 #C538AC #C59838 #38C552

square

#3865C5 #C538AC #C59838 #38C552

split-complementary

#3865C5 #C55238 #ACC538

monochromatic

#1D3466 #2A4D95 #3865C5 #6789D4 #96AEE1

Accessibility & contrast

On white

5.47

#3865C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3865C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865C5

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865C5	#FFFFFF	#000000	##FFFFFF
##3865C5	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F70C9

Deuteranopia (green-blind)

#0063C3

Tritanopia (blue-blind)

#007C8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3865c5;
/* rgb */ color: rgb(56, 101, 197);
/* oklch */ color: oklch(52.7% 0.158 263.2);

Tailwind

colors: {
  custom: {
    50: '#8090d7',
    500: '#3865c5',
    950: '#000000',
  },
}

SCSS

$custom: #3865c5;
$custom-light: #8090d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3865c5",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 197
  },
  "hsl": {
    "h": 220.851,
    "s": 55.731,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52738,
    "c": 0.1581,
    "h": 263.2
  },
  "luminance": 0.14179
}

Semantic roles & 50–950 ramp

primary

#3865C5

secondary

#CDB88C

accent

#AF49DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3865C5

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

Preview Lab → · Contrast checker → · Palette generator →