#3768BA#3768BA

#3768BA is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.6% C 0.140 H 260.1°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3768BA
RGB	rgb(55, 104, 186)
HSL	hsl(218, 54%, 47%)
HSV	hsv(218, 70%, 73%)
CMYK	cmyk(70.4%, 44.1%, 0%, 27.1%)
CIE-LAB	lab(44.60, 11.30, -48.14)
CIE-LCH	lch(44.60, 49.45, 283.21°)
OKLab	oklab(52.59% -0.0241 -0.1377)
OKLCH	oklch(52.59% 0.14 260.1)
XYZ	xyz(15.3856, 14.2564, 48.3858)
Luminance	0.1426 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3768BA #BA8937

analogous

#37AABA #3768BA #4737BA

triadic

#3768BA #BA3768 #68BA37

tetradic

#3768BA #BA37AA #BA8937 #37BA47

square

#3768BA #BA37AA #BA8937 #37BA47

split-complementary

#3768BA #BA4737 #AABA37

monochromatic

#1B335C #294E8B #3768BA #5F89D0 #8EACDE

Accessibility & contrast

On white

5.45

#3768BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3768BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3768BA

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3768BA	#FFFFFF	#000000	##FFFFFF
##3768BA	1.00	5.45	3.85	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4070BD

Deuteranopia (green-blind)

#2864B8

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3768ba;
/* rgb */ color: rgb(55, 104, 186);
/* oklch */ color: oklch(52.6% 0.140 260.1);

Tailwind

colors: {
  custom: {
    50: '#7d92cf',
    500: '#3768ba',
    950: '#000000',
  },
}

SCSS

$custom: #3768ba;
$custom-light: #7d92cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3768ba",
  "rgb": {
    "r": 55,
    "g": 104,
    "b": 186
  },
  "hsl": {
    "h": 217.557,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.52591,
    "c": 0.13977,
    "h": 260.1
  },
  "luminance": 0.14258
}

Semantic roles & 50–950 ramp

primary

#3768BA

secondary

#C8AF85

accent

#A64ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3768BA

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

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