#3865DA#3865DA

#3865DA is a mid, vivid blue. Relative luminance 0.152; OKLCH L 54.3% C 0.186 H 264.9°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3865DA
RGB	rgb(56, 101, 218)
HSL	hsl(223, 69%, 54%)
HSV	hsv(223, 74%, 85%)
CMYK	cmyk(74.3%, 53.7%, 0%, 14.5%)
CIE-LAB	lab(45.92, 25.13, -64.41)
CIE-LCH	lch(45.92, 69.14, 291.32°)
OKLab	oklab(54.28% -0.0166 -0.1856)
OKLCH	oklch(54.28% 0.186 264.9)
XYZ	xyz(18.9350, 15.2080, 68.2536)
Luminance	0.1521 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865DA #DAAD38

analogous

#38B6DA #3865DA #5C38DA

triadic

#3865DA #DA3865 #65DA38

tetradic

#3865DA #DA38B6 #DAAD38 #38DA5C

square

#3865DA #DA38B6 #DAAD38 #38DA5C

split-complementary

#3865DA #DA5C38 #B6DA38

monochromatic

#183580 #214AB3 #3865DA #6C8DE4 #9FB5ED

Accessibility & contrast

On white

5.20

#3865DA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3865DA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865DA

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865DA	#FFFFFF	#000000	##FFFFFF
##3865DA	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0075DE

Deuteranopia (green-blind)

#0066D8

Tritanopia (blue-blind)

#008296

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3865da;
/* rgb */ color: rgb(56, 101, 218);
/* oklch */ color: oklch(54.3% 0.186 264.9);

Tailwind

colors: {
  custom: {
    50: '#8490e6',
    500: '#3865da',
    950: '#000000',
  },
}

SCSS

$custom: #3865da;
$custom-light: #8490e6;
$custom-dark: #000000;

JSON

{
  "hex": "#3865da",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 218
  },
  "hsl": {
    "h": 223.333,
    "s": 68.644,
    "l": 53.725
  },
  "oklch": {
    "l": 0.54281,
    "c": 0.18632,
    "h": 264.9
  },
  "luminance": 0.1521
}

Semantic roles & 50–950 ramp

primary

#3865DA

secondary

#DAC694

accent

#BB3CEB

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3865DA

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

Preview Lab → · Contrast checker → · Palette generator →