#3765C8#3765C8

#3765C8 is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.9% C 0.162 H 263.2°. Best body text is #FFFFFF at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3765C8
RGB	rgb(55, 101, 200)
HSL	hsl(221, 57%, 50%)
HSV	hsv(221, 73%, 78%)
CMYK	cmyk(72.5%, 49.5%, 0%, 21.6%)
CIE-LAB	lab(44.64, 18.38, -56.17)
CIE-LCH	lch(44.64, 59.10, 288.12°)
OKLab	oklab(52.91% -0.0192 -0.1613)
OKLCH	oklch(52.91% 0.162 263.2)
XYZ	xyz(16.6509, 14.2879, 56.5127)
Luminance	0.1429 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765C8 #C89A37

analogous

#37ADC8 #3765C8 #5237C8

triadic

#3765C8 #C83765 #65C837

tetradic

#3765C8 #C837AD #C89A37 #37C852

square

#3765C8 #C837AD #C89A37 #37C852

split-complementary

#3765C8 #C85237 #ADC837

monochromatic

#1D3568 #2A4D98 #3765C8 #678AD5 #97AFE2

Accessibility & contrast

On white

5.44

#3765C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#3765C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765C8

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765C8	#FFFFFF	#000000	##FFFFFF
##3765C8	1.00	5.44	3.86	5.44
#FFFFFF	5.44	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B71CC

Deuteranopia (green-blind)

#0063C6

Tritanopia (blue-blind)

#007D8D

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3765c8;
/* rgb */ color: rgb(55, 101, 200);
/* oklch */ color: oklch(52.9% 0.162 263.2);

Tailwind

colors: {
  custom: {
    50: '#8090d9',
    500: '#3765c8',
    950: '#000000',
  },
}

SCSS

$custom: #3765c8;
$custom-light: #8090d9;
$custom-dark: #000000;

JSON

{
  "hex": "#3765c8",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 200
  },
  "hsl": {
    "h": 220.966,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.52909,
    "c": 0.16249,
    "h": 263.2
  },
  "luminance": 0.1429
}

Semantic roles & 50–950 ramp

primary

#3765C8

secondary

#CEB98D

accent

#B048E0

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3765C8

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

Preview Lab → · Contrast checker → · Palette generator →