#3866C2#3866C2

#3866C2 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.7% C 0.153 H 262.4°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3866C2
RGB	rgb(56, 102, 194)
HSL	hsl(220, 55%, 49%)
HSV	hsv(220, 71%, 76%)
CMYK	cmyk(71.1%, 47.4%, 0%, 23.9%)
CIE-LAB	lab(44.57, 15.66, -52.82)
CIE-LCH	lch(44.57, 55.10, 286.52°)
OKLab	oklab(52.74% -0.0201 -0.1515)
OKLCH	oklch(52.74% 0.153 262.4)
XYZ	xyz(16.1164, 14.2368, 52.9271)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3866C2 #C29438

analogous

#38ABC2 #3866C2 #4F38C2

triadic

#3866C2 #C23866 #66C238

tetradic

#3866C2 #C238AB #C29438 #38C24F

square

#3866C2 #C238AB #C29438 #38C24F

split-complementary

#3866C2 #C24F38 #ABC238

monochromatic

#1D3463 #2A4D93 #3866C2 #6589D2 #94AEE0

Accessibility & contrast

On white

5.46

#3866C2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3866C2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3866C2

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3866C2	#FFFFFF	#000000	##FFFFFF
##3866C2	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3570C5

Deuteranopia (green-blind)

#1263C0

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3866c2;
/* rgb */ color: rgb(56, 102, 194);
/* oklch */ color: oklch(52.7% 0.153 262.4);

Tailwind

colors: {
  custom: {
    50: '#7f91d5',
    500: '#3866c2',
    950: '#000000',
  },
}

SCSS

$custom: #3866c2;
$custom-light: #7f91d5;
$custom-dark: #000000;

JSON

{
  "hex": "#3866c2",
  "rgb": {
    "r": 56,
    "g": 102,
    "b": 194
  },
  "hsl": {
    "h": 220,
    "s": 55.2,
    "l": 49.02
  },
  "oklch": {
    "l": 0.5274,
    "c": 0.15279,
    "h": 262.4
  },
  "luminance": 0.14239
}

Semantic roles & 50–950 ramp

primary

#3866C2

secondary

#CBB68A

accent

#AD49DF

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3866C2

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

Preview Lab → · Contrast checker → · Palette generator →