#3868BB#3868BB

#3868BB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.7% C 0.141 H 260.6°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3868BB
RGB	rgb(56, 104, 187)
HSL	hsl(218, 54%, 48%)
HSV	hsv(218, 70%, 73%)
CMYK	cmyk(70.1%, 44.4%, 0%, 26.7%)
CIE-LAB	lab(44.70, 11.82, -48.56)
CIE-LCH	lch(44.70, 49.98, 283.68°)
OKLab	oklab(52.7% -0.0231 -0.1389)
OKLCH	oklch(52.7% 0.141 260.6)
XYZ	xyz(15.5476, 14.3276, 48.9502)
Luminance	0.1433 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3868BB #BB8B38

analogous

#38A9BB #3868BB #4938BB

triadic

#3868BB #BB3868 #68BB38

tetradic

#3868BB #BB38A9 #BB8B38 #38BB49

square

#3868BB #BB38A9 #BB8B38 #38BB49

split-complementary

#3868BB #BB4938 #A9BB38

monochromatic

#1C345D #2A4E8C #3868BB #6189D0 #90ACDE

Accessibility & contrast

On white

5.43

#3868BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#3868BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3868BB

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3868BB	#FFFFFF	#000000	##FFFFFF
##3868BB	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F70BE

Deuteranopia (green-blind)

#2764B9

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3868bb;
/* rgb */ color: rgb(56, 104, 187);
/* oklch */ color: oklch(52.7% 0.141 260.6);

Tailwind

colors: {
  custom: {
    50: '#7e92d0',
    500: '#3868bb',
    950: '#000000',
  },
}

SCSS

$custom: #3868bb;
$custom-light: #7e92d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3868bb",
  "rgb": {
    "r": 56,
    "g": 104,
    "b": 187
  },
  "hsl": {
    "h": 218.015,
    "s": 53.909,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52699,
    "c": 0.1408,
    "h": 260.6
  },
  "luminance": 0.14329
}

Semantic roles & 50–950 ramp

primary

#3868BB

secondary

#C8B086

accent

#A84BDD

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0D14

muted

#7C7D82

Preview Lab

Preview with #3868BB

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

Preview Lab → · Contrast checker → · Palette generator →