#3765D7#3765D7

#3765D7 is a mid, vivid blue. Relative luminance 0.150; OKLCH L 54.0% C 0.183 H 264.5°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#3765D7
RGB	rgb(55, 101, 215)
HSL	hsl(223, 67%, 53%)
HSV	hsv(223, 74%, 84%)
CMYK	cmyk(74.4%, 53%, 0%, 15.7%)
CIE-LAB	lab(45.67, 23.91, -63.11)
CIE-LCH	lch(45.67, 67.49, 290.75°)
OKLab	oklab(54.01% -0.0176 -0.1818)
OKLCH	oklch(54.01% 0.183 264.5)
XYZ	xyz(18.4906, 15.0238, 66.2022)
Luminance	0.1503 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765D7 #D7A937

analogous

#37B5D7 #3765D7 #5937D7

triadic

#3765D7 #D73765 #65D737

tetradic

#3765D7 #D737B5 #D7A937 #37D759

square

#3765D7 #D737B5 #D7A937 #37D759

split-complementary

#3765D7 #D75937 #B5D737

monochromatic

#19357B #234BAE #3765D7 #6A8CE1 #9DB4EB

Accessibility & contrast

On white

5.24

#3765D7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#3765D7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765D7

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765D7	#FFFFFF	#000000	##FFFFFF
##3765D7	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C74DB

Deuteranopia (green-blind)

#0065D5

Tritanopia (blue-blind)

#008194

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3765d7;
/* rgb */ color: rgb(55, 101, 215);
/* oklch */ color: oklch(54.0% 0.183 264.5);

Tailwind

colors: {
  custom: {
    50: '#8390e4',
    500: '#3765d7',
    950: '#000000',
  },
}

SCSS

$custom: #3765d7;
$custom-light: #8390e4;
$custom-dark: #000000;

JSON

{
  "hex": "#3765d7",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 215
  },
  "hsl": {
    "h": 222.75,
    "s": 66.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.54013,
    "c": 0.18263,
    "h": 264.5
  },
  "luminance": 0.15026
}

Semantic roles & 50–950 ramp

primary

#3765D7

secondary

#D7C492

accent

#B83EEA

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0C0C16

muted

#7D7D84

Preview Lab

Preview with #3765D7

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

Preview Lab → · Contrast checker → · Palette generator →