#3863BF#3863BF

#3863BF is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.9% C 0.152 H 263.3°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#3863BF
RGB	rgb(56, 99, 191)
HSL	hsl(221, 55%, 48%)
HSV	hsv(221, 71%, 75%)
CMYK	cmyk(70.7%, 48.2%, 0%, 25.1%)
CIE-LAB	lab(43.54, 16.48, -52.74)
CIE-LCH	lch(43.54, 55.25, 287.36°)
OKLab	oklab(51.89% -0.0179 -0.1513)
OKLCH	oklch(51.89% 0.152 263.3)
XYZ	xyz(15.4934, 13.5244, 51.0741)
Luminance	0.1353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863BF #BF9438

analogous

#38A6BF #3863BF #5038BF

triadic

#3863BF #BF3863 #63BF38

tetradic

#3863BF #BF38A6 #BF9438 #38BF50

square

#3863BF #BF38A6 #BF9438 #38BF50

split-complementary

#3863BF #BF5038 #A6BF38

monochromatic

#1C3260 #2A4A90 #3863BF #6386D1 #92ABDF

Accessibility & contrast

On white

5.67

#3863BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3863BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863BF

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863BF	#FFFFFF	#000000	##FFFFFF
##3863BF	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316DC2

Deuteranopia (green-blind)

#0A61BD

Tritanopia (blue-blind)

#007988

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3863bf;
/* rgb */ color: rgb(56, 99, 191);
/* oklch */ color: oklch(51.9% 0.152 263.3);

Tailwind

colors: {
  custom: {
    50: '#7f8ed3',
    500: '#3863bf',
    950: '#000000',
  },
}

SCSS

$custom: #3863bf;
$custom-light: #7f8ed3;
$custom-dark: #000000;

JSON

{
  "hex": "#3863bf",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 191
  },
  "hsl": {
    "h": 220.889,
    "s": 54.656,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51891,
    "c": 0.15232,
    "h": 263.3
  },
  "luminance": 0.13526
}

Semantic roles & 50–950 ramp

primary

#3863BF

secondary

#CAB589

accent

#AF4ADE

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3863BF

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

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