#3765BF#3765BF

#3765BF is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.3% C 0.150 H 262.2°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3765BF
RGB	rgb(55, 101, 191)
HSL	hsl(220, 55%, 48%)
HSV	hsv(220, 71%, 75%)
CMYK	cmyk(71.2%, 47.1%, 0%, 25.1%)
CIE-LAB	lab(44.06, 15.05, -51.91)
CIE-LCH	lch(44.06, 54.05, 286.17°)
OKLab	oklab(52.28% -0.0205 -0.1488)
OKLCH	oklch(52.28% 0.15 262.2)
XYZ	xyz(15.6298, 13.8795, 51.1354)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765BF #BF9137

analogous

#37A9BF #3765BF #4D37BF

triadic

#3765BF #BF3765 #65BF37

tetradic

#3765BF #BF37A9 #BF9137 #37BF4D

square

#3765BF #BF37A9 #BF9137 #37BF4D

split-complementary

#3765BF #BF4D37 #A9BF37

monochromatic

#1C3360 #294C8F #3765BF #6287D2 #91ACDF

Accessibility & contrast

On white

5.56

#3765BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3765BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765BF

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765BF	#FFFFFF	#000000	##FFFFFF
##3765BF	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#356FC2

Deuteranopia (green-blind)

#1562BD

Tritanopia (blue-blind)

#007A89

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3765bf;
/* rgb */ color: rgb(55, 101, 191);
/* oklch */ color: oklch(52.3% 0.150 262.2);

Tailwind

colors: {
  custom: {
    50: '#7e90d3',
    500: '#3765bf',
    950: '#000000',
  },
}

SCSS

$custom: #3765bf;
$custom-light: #7e90d3;
$custom-dark: #000000;

JSON

{
  "hex": "#3765bf",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 191
  },
  "hsl": {
    "h": 219.706,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.52276,
    "c": 0.15021,
    "h": 262.2
  },
  "luminance": 0.13881
}

Semantic roles & 50–950 ramp

primary

#3765BF

secondary

#CAB488

accent

#AC49DF

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #3765BF

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

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