#3764D7#3764D7

#3764D7 is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.8% C 0.184 H 264.7°. Best body text is #FFFFFF at 5.29:1 contrast (WCAG AA passes).

Color values

HEX	#3764D7
RGB	rgb(55, 100, 215)
HSL	hsl(223, 67%, 53%)
HSV	hsv(223, 74%, 84%)
CMYK	cmyk(74.4%, 53.5%, 0%, 15.7%)
CIE-LAB	lab(45.40, 24.55, -63.54)
CIE-LCH	lch(45.40, 68.12, 291.12°)
OKLab	oklab(53.81% -0.0168 -0.1831)
OKLCH	oklch(53.81% 0.184 264.7)
XYZ	xyz(18.3941, 14.8308, 66.1700)
Luminance	0.1483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764D7 #D7AA37

analogous

#37B4D7 #3764D7 #5A37D7

triadic

#3764D7 #D73764 #64D737

tetradic

#3764D7 #D737B4 #D7AA37 #37D75A

square

#3764D7 #D737B4 #D7AA37 #37D75A

split-complementary

#3764D7 #D75A37 #B4D737

monochromatic

#19347B #234AAE #3764D7 #6A8CE1 #9DB3EB

Accessibility & contrast

On white

5.29

#3764D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3764D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764D7

5.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764D7	#FFFFFF	#000000	##FFFFFF
##3764D7	1.00	5.29	3.97	5.29
#FFFFFF	5.29	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0273DB

Deuteranopia (green-blind)

#0064D5

Tritanopia (blue-blind)

#008094

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3764d7;
/* rgb */ color: rgb(55, 100, 215);
/* oklch */ color: oklch(53.8% 0.184 264.7);

Tailwind

colors: {
  custom: {
    50: '#848fe4',
    500: '#3764d7',
    950: '#000000',
  },
}

SCSS

$custom: #3764d7;
$custom-light: #848fe4;
$custom-dark: #000000;

JSON

{
  "hex": "#3764d7",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 215
  },
  "hsl": {
    "h": 223.125,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.53812,
    "c": 0.18383,
    "h": 264.7
  },
  "luminance": 0.14833
}

Semantic roles & 50–950 ramp

primary

#3764D7

secondary

#D7C492

accent

#B93EEA

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #3764D7

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

Preview Lab → · Contrast checker → · Palette generator →