#3765D0#3765D0

#3765D0 is a mid, vivid blue. Relative luminance 0.147; OKLCH L 53.5% C 0.173 H 263.9°. Best body text is #FFFFFF at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#3765D0
RGB	rgb(55, 101, 208)
HSL	hsl(222, 62%, 52%)
HSV	hsv(222, 74%, 82%)
CMYK	cmyk(73.6%, 51.4%, 0%, 18.4%)
CIE-LAB	lab(45.18, 21.33, -59.90)
CIE-LCH	lch(45.18, 63.58, 289.60°)
OKLab	oklab(53.49% -0.0183 -0.1723)
OKLCH	oklch(53.49% 0.173 263.9)
XYZ	xyz(17.6104, 14.6717, 61.5661)
Luminance	0.1467 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765D0 #D0A237

analogous

#37B1D0 #3765D0 #5637D0

triadic

#3765D0 #D03765 #65D037

tetradic

#3765D0 #D037B1 #D0A237 #37D056

square

#3765D0 #D037B1 #D0A237 #37D056

split-complementary

#3765D0 #D05637 #B1D037

monochromatic

#1B3572 #264CA3 #3765D0 #698BDC #9AB1E7

Accessibility & contrast

On white

5.34

#3765D0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#3765D0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765D0

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765D0	#FFFFFF	#000000	##FFFFFF
##3765D0	1.00	5.34	3.93	5.34
#FFFFFF	5.34	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F72D4

Deuteranopia (green-blind)

#0064CE

Tritanopia (blue-blind)

#007F91

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3765d0;
/* rgb */ color: rgb(55, 101, 208);
/* oklch */ color: oklch(53.5% 0.173 263.9);

Tailwind

colors: {
  custom: {
    50: '#8290df',
    500: '#3765d0',
    950: '#000000',
  },
}

SCSS

$custom: #3765d0;
$custom-light: #8290df;
$custom-dark: #000000;

JSON

{
  "hex": "#3765d0",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 208
  },
  "hsl": {
    "h": 221.961,
    "s": 61.943,
    "l": 51.569
  },
  "oklch": {
    "l": 0.53491,
    "c": 0.17329,
    "h": 263.9
  },
  "luminance": 0.14674
}

Semantic roles & 50–950 ramp

primary

#3765D0

secondary

#D3BF90

accent

#B443E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3765D0

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

Preview Lab → · Contrast checker → · Palette generator →