#3863C1#3863C1

#3863C1 is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.0% C 0.155 H 263.5°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3863C1
RGB	rgb(56, 99, 193)
HSL	hsl(221, 55%, 49%)
HSV	hsv(221, 71%, 76%)
CMYK	cmyk(71%, 48.7%, 0%, 24.3%)
CIE-LAB	lab(43.67, 17.22, -53.69)
CIE-LCH	lch(43.67, 56.38, 287.78°)
OKLab	oklab(52.03% -0.0176 -0.1541)
OKLCH	oklch(52.03% 0.155 263.5)
XYZ	xyz(15.7150, 13.6130, 52.2411)
Luminance	0.1361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3863C1 #C19638

analogous

#38A8C1 #3863C1 #5238C1

triadic

#3863C1 #C13863 #63C138

tetradic

#3863C1 #C138A8 #C19638 #38C152

square

#3863C1 #C138A8 #C19638 #38C152

split-complementary

#3863C1 #C15238 #A8C138

monochromatic

#1C3262 #2A4B92 #3863C1 #6487D2 #94ACE0

Accessibility & contrast

On white

5.64

#3863C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#3863C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3863C1

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3863C1	#FFFFFF	#000000	##FFFFFF
##3863C1	1.00	5.64	3.72	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F6EC4

Deuteranopia (green-blind)

#0161BF

Tritanopia (blue-blind)

#007989

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3863c1;
/* rgb */ color: rgb(56, 99, 193);
/* oklch */ color: oklch(52.0% 0.155 263.5);

Tailwind

colors: {
  custom: {
    50: '#7f8ed4',
    500: '#3863c1',
    950: '#000000',
  },
}

SCSS

$custom: #3863c1;
$custom-light: #7f8ed4;
$custom-dark: #000000;

JSON

{
  "hex": "#3863c1",
  "rgb": {
    "r": 56,
    "g": 99,
    "b": 193
  },
  "hsl": {
    "h": 221.168,
    "s": 55.02,
    "l": 48.824
  },
  "oklch": {
    "l": 0.52032,
    "c": 0.15506,
    "h": 263.5
  },
  "luminance": 0.13615
}

Semantic roles & 50–950 ramp

primary

#3863C1

secondary

#CBB78A

accent

#B049DE

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3863C1

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

Preview Lab → · Contrast checker → · Palette generator →