#3765C7#3765C7

#3765C7 is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.8% C 0.161 H 263.1°. Best body text is #FFFFFF at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#3765C7
RGB	rgb(55, 101, 199)
HSL	hsl(221, 57%, 50%)
HSV	hsv(221, 72%, 78%)
CMYK	cmyk(72.4%, 49.2%, 0%, 22%)
CIE-LAB	lab(44.58, 18.01, -55.70)
CIE-LCH	lch(44.58, 58.54, 287.92°)
OKLab	oklab(52.84% -0.0193 -0.16)
OKLCH	oklch(52.84% 0.161 263.1)
XYZ	xyz(16.5344, 14.2413, 55.8992)
Luminance	0.1424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765C7 #C79937

analogous

#37ADC7 #3765C7 #5137C7

triadic

#3765C7 #C73765 #65C737

tetradic

#3765C7 #C737AD #C79937 #37C751

square

#3765C7 #C737AD #C79937 #37C751

split-complementary

#3765C7 #C75137 #ADC737

monochromatic

#1C3467 #2A4D97 #3765C7 #668AD5 #96AFE2

Accessibility & contrast

On white

5.46

#3765C7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.85

#3765C7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765C7

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765C7	#FFFFFF	#000000	##FFFFFF
##3765C7	1.00	5.46	3.85	5.46
#FFFFFF	5.46	1.00	21.00	1.00
#000000	3.85	21.00	1.00	21.00
##FFFFFF	5.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D70CB

Deuteranopia (green-blind)

#0063C5

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3765c7;
/* rgb */ color: rgb(55, 101, 199);
/* oklch */ color: oklch(52.8% 0.161 263.1);

Tailwind

colors: {
  custom: {
    50: '#8090d9',
    500: '#3765c7',
    950: '#000000',
  },
}

SCSS

$custom: #3765c7;
$custom-light: #8090d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3765c7",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 199
  },
  "hsl": {
    "h": 220.833,
    "s": 56.693,
    "l": 49.804
  },
  "oklch": {
    "l": 0.52838,
    "c": 0.16113,
    "h": 263.1
  },
  "luminance": 0.14243
}

Semantic roles & 50–950 ramp

primary

#3765C7

secondary

#CDB98C

accent

#AF48E0

background

#F8F8FD

surface

#F0F0FA

border

#CBCBD3

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3765C7

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

Preview Lab → · Contrast checker → · Palette generator →