#3765C6#3765C6

#3765C6 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.8% C 0.160 H 263.0°. Best body text is #FFFFFF at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#3765C6
RGB	rgb(55, 101, 198)
HSL	hsl(221, 57%, 50%)
HSV	hsv(221, 72%, 78%)
CMYK	cmyk(72.2%, 49%, 0%, 22.4%)
CIE-LAB	lab(44.51, 17.64, -55.23)
CIE-LCH	lch(44.51, 57.98, 287.71°)
OKLab	oklab(52.77% -0.0195 -0.1586)
OKLCH	oklch(52.77% 0.16 263)
XYZ	xyz(16.4186, 14.1950, 55.2898)
Luminance	0.1420 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765C6 #C69837

analogous

#37ADC6 #3765C6 #5037C6

triadic

#3765C6 #C63765 #65C637

tetradic

#3765C6 #C637AD #C69837 #37C650

square

#3765C6 #C637AD #C69837 #37C650

split-complementary

#3765C6 #C65037 #ADC637

monochromatic

#1C3466 #2A4D96 #3765C6 #6689D4 #96AEE2

Accessibility & contrast

On white

5.47

#3765C6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.84

#3765C6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765C6

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765C6	#FFFFFF	#000000	##FFFFFF
##3765C6	1.00	5.47	3.84	5.47
#FFFFFF	5.47	1.00	21.00	1.00
#000000	3.84	21.00	1.00	21.00
##FFFFFF	5.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E70CA

Deuteranopia (green-blind)

#0063C4

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3765c6;
/* rgb */ color: rgb(55, 101, 198);
/* oklch */ color: oklch(52.8% 0.160 263.0);

Tailwind

colors: {
  custom: {
    50: '#8090d8',
    500: '#3765c6',
    950: '#000000',
  },
}

SCSS

$custom: #3765c6;
$custom-light: #8090d8;
$custom-dark: #000000;

JSON

{
  "hex": "#3765c6",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 198
  },
  "hsl": {
    "h": 220.699,
    "s": 56.522,
    "l": 49.608
  },
  "oklch": {
    "l": 0.52766,
    "c": 0.15977,
    "h": 263
  },
  "luminance": 0.14197
}

Semantic roles & 50–950 ramp

primary

#3765C6

secondary

#CDB88C

accent

#AF48E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C14

muted

#7D7D83

Preview Lab

Preview with #3765C6

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

Preview Lab → · Contrast checker → · Palette generator →