#3865D7#3865D7

#3865D7 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 54.1% C 0.182 H 264.7°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3865D7
RGB	rgb(56, 101, 215)
HSL	hsl(223, 67%, 53%)
HSV	hsv(223, 74%, 84%)
CMYK	cmyk(74%, 53%, 0%, 15.7%)
CIE-LAB	lab(45.71, 24.03, -63.05)
CIE-LCH	lch(45.71, 67.47, 290.87°)
OKLab	oklab(54.05% -0.0168 -0.1816)
OKLCH	oklch(54.05% 0.182 264.7)
XYZ	xyz(18.5460, 15.0524, 66.2048)
Luminance	0.1505 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865D7 #D7AA38

analogous

#38B4D7 #3865D7 #5A38D7

triadic

#3865D7 #D73865 #65D738

tetradic

#3865D7 #D738B4 #D7AA38 #38D75A

square

#3865D7 #D738B4 #D7AA38 #38D75A

split-complementary

#3865D7 #D75A38 #B4D738

monochromatic

#19357C #234BAF #3865D7 #6B8CE1 #9EB4EB

Accessibility & contrast

On white

5.24

#3865D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3865D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865D7

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865D7	#FFFFFF	#000000	##FFFFFF
##3865D7	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)

#0C74DB

Deuteranopia (green-blind)

#0065D5

Tritanopia (blue-blind)

#008194

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3865d7;
/* rgb */ color: rgb(56, 101, 215);
/* oklch */ color: oklch(54.1% 0.182 264.7);

Tailwind

colors: {
  custom: {
    50: '#8490e4',
    500: '#3865d7',
    950: '#000000',
  },
}

SCSS

$custom: #3865d7;
$custom-light: #8490e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3865d7",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 215
  },
  "hsl": {
    "h": 223.019,
    "s": 66.527,
    "l": 53.137
  },
  "oklch": {
    "l": 0.54054,
    "c": 0.18235,
    "h": 264.7
  },
  "luminance": 0.15054
}

Semantic roles & 50–950 ramp

primary

#3865D7

secondary

#D8C493

accent

#B93EE9

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #3865D7

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

Preview Lab → · Contrast checker → · Palette generator →