#3863BC#3863BC

#3863BC is a mid, vivid blue. Relative luminance 0.134; OKLCH L 51.7% C 0.148 H 262.9°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#3863BC
RGB	rgb(56, 99, 188)
HSL	hsl(220, 54%, 48%)
HSV	hsv(220, 70%, 74%)
CMYK	cmyk(70.2%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(43.35, 15.38, -51.30)
CIE-LCH	lch(43.35, 53.56, 286.68°)
OKLab	oklab(51.68% -0.0183 -0.147)
OKLCH	oklch(51.68% 0.148 262.9)
XYZ	xyz(15.1666, 13.3937, 49.3531)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863BC #BC9138

analogous

#38A5BC #3863BC #4F38BC

triadic

#3863BC #BC3863 #63BC38

tetradic

#3863BC #BC38A5 #BC9138 #38BC4F

square

#3863BC #BC38A5 #BC9138 #38BC4F

split-complementary

#3863BC #BC4F38 #A5BC38

monochromatic

#1C315E #2A4A8D #3863BC #6185D0 #90AADE

Accessibility & contrast

On white

5.71

#3863BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#3863BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863BC

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863BC	#FFFFFF	#000000	##FFFFFF
##3863BC	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#346DBF

Deuteranopia (green-blind)

#1561BA

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3863bc;
/* rgb */ color: rgb(56, 99, 188);
/* oklch */ color: oklch(51.7% 0.148 262.9);

Tailwind

colors: {
  custom: {
    50: '#7e8ed1',
    500: '#3863bc',
    950: '#000000',
  },
}

SCSS

$custom: #3863bc;
$custom-light: #7e8ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3863bc",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 220.455,
    "s": 54.098,
    "l": 47.843
  },
  "oklch": {
    "l": 0.51682,
    "c": 0.14819,
    "h": 262.9
  },
  "luminance": 0.13395
}

Semantic roles & 50–950 ramp

primary

#3863BC

secondary

#C9B387

accent

#AE4ADD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3863BC

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

Preview Lab → · Contrast checker → · Palette generator →