#3765C5#3765C5

#3765C5 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.7% C 0.158 H 262.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3765C5
RGB	rgb(55, 101, 197)
HSL	hsl(221, 56%, 49%)
HSV	hsv(221, 72%, 77%)
CMYK	cmyk(72.1%, 48.7%, 0%, 22.7%)
CIE-LAB	lab(44.45, 17.27, -54.76)
CIE-LCH	lch(44.45, 57.42, 287.50°)
OKLab	oklab(52.7% -0.0196 -0.1572)
OKLCH	oklch(52.7% 0.158 262.9)
XYZ	xyz(16.3037, 14.1491, 54.6843)
Luminance	0.1415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765C5 #C59737

analogous

#37ACC5 #3765C5 #5037C5

triadic

#3765C5 #C53765 #65C537

tetradic

#3765C5 #C537AC #C59737 #37C550

square

#3765C5 #C537AC #C59737 #37C550

split-complementary

#3765C5 #C55037 #ACC537

monochromatic

#1C3465 #2A4C95 #3765C5 #6589D4 #95AEE1

Accessibility & contrast

On white

5.48

#3765C5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3765C5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765C5

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765C5	#FFFFFF	#000000	##FFFFFF
##3765C5	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F70C9

Deuteranopia (green-blind)

#0063C3

Tritanopia (blue-blind)

#007C8B

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3765c5;
/* rgb */ color: rgb(55, 101, 197);
/* oklch */ color: oklch(52.7% 0.158 262.9);

Tailwind

colors: {
  custom: {
    50: '#8090d7',
    500: '#3765c5',
    950: '#000000',
  },
}

SCSS

$custom: #3765c5;
$custom-light: #8090d7;
$custom-dark: #000000;

JSON

{
  "hex": "#3765c5",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 197
  },
  "hsl": {
    "h": 220.563,
    "s": 56.349,
    "l": 49.412
  },
  "oklch": {
    "l": 0.52695,
    "c": 0.15842,
    "h": 262.9
  },
  "luminance": 0.14151
}

Semantic roles & 50–950 ramp

primary

#3765C5

secondary

#CDB78B

accent

#AF48E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3765C5

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

Preview Lab → · Contrast checker → · Palette generator →