#3865BE#3865BE

#3865BE is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.149 H 262.3°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3865BE
RGB	rgb(56, 101, 190)
HSL	hsl(220, 54%, 48%)
HSV	hsv(220, 71%, 75%)
CMYK	cmyk(70.5%, 46.8%, 0%, 25.5%)
CIE-LAB	lab(44.04, 14.83, -51.36)
CIE-LCH	lch(44.04, 53.46, 286.11°)
OKLab	oklab(52.25% -0.0198 -0.1472)
OKLCH	oklch(52.25% 0.149 262.3)
XYZ	xyz(15.5755, 13.8642, 50.5604)
Luminance	0.1387 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3865BE #BE9138

analogous

#38A8BE #3865BE #4E38BE

triadic

#3865BE #BE3865 #65BE38

tetradic

#3865BE #BE38A8 #BE9138 #38BE4E

square

#3865BE #BE38A8 #BE9138 #38BE4E

split-complementary

#3865BE #BE4E38 #A8BE38

monochromatic

#1C335F #2A4C8F #3865BE #6287D1 #92ACDF

Accessibility & contrast

On white

5.57

#3865BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3865BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3865BE

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3865BE	#FFFFFF	#000000	##FFFFFF
##3865BE	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366FC1

Deuteranopia (green-blind)

#1862BC

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3865be;
/* rgb */ color: rgb(56, 101, 190);
/* oklch */ color: oklch(52.3% 0.149 262.3);

Tailwind

colors: {
  custom: {
    50: '#7f90d2',
    500: '#3865be',
    950: '#000000',
  },
}

SCSS

$custom: #3865be;
$custom-light: #7f90d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3865be",
  "rgb": {
    "r": 56,
    "g": 101,
    "b": 190
  },
  "hsl": {
    "h": 219.851,
    "s": 54.472,
    "l": 48.235
  },
  "oklch": {
    "l": 0.5225,
    "c": 0.14851,
    "h": 262.3
  },
  "luminance": 0.13866
}

Semantic roles & 50–950 ramp

primary

#3865BE

secondary

#CAB488

accent

#AC4ADE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3865BE

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

Preview Lab → · Contrast checker → · Palette generator →