#3765CE#3765CE

#3765CE is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.3% C 0.171 H 263.8°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3765CE
RGB	rgb(55, 101, 206)
HSL	hsl(222, 61%, 51%)
HSV	hsv(222, 73%, 81%)
CMYK	cmyk(73.3%, 51%, 0%, 19.2%)
CIE-LAB	lab(45.05, 20.59, -58.97)
CIE-LCH	lch(45.05, 62.46, 289.25°)
OKLab	oklab(53.34% -0.0185 -0.1696)
OKLCH	oklch(53.34% 0.171 263.8)
XYZ	xyz(17.3659, 14.5739, 60.2784)
Luminance	0.1458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765CE #CEA037

analogous

#37B0CE #3765CE #5437CE

triadic

#3765CE #CE3765 #65CE37

tetradic

#3765CE #CE37B0 #CEA037 #37CE54

square

#3765CE #CE37B0 #CEA037 #37CE54

split-complementary

#3765CE #CE5437 #B0CE37

monochromatic

#1B356F #274CA0 #3765CE #688BDA #99B1E6

Accessibility & contrast

On white

5.36

#3765CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3765CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765CE

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765CE	#FFFFFF	#000000	##FFFFFF
##3765CE	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2272D2

Deuteranopia (green-blind)

#0064CC

Tritanopia (blue-blind)

#007E90

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3765ce;
/* rgb */ color: rgb(55, 101, 206);
/* oklch */ color: oklch(53.3% 0.171 263.8);

Tailwind

colors: {
  custom: {
    50: '#8290de',
    500: '#3765ce',
    950: '#000000',
  },
}

SCSS

$custom: #3765ce;
$custom-light: #8290de;
$custom-dark: #000000;

JSON

{
  "hex": "#3765ce",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 206
  },
  "hsl": {
    "h": 221.722,
    "s": 60.643,
    "l": 51.176
  },
  "oklch": {
    "l": 0.53344,
    "c": 0.17059,
    "h": 263.8
  },
  "luminance": 0.14576
}

Semantic roles & 50–950 ramp

primary

#3765CE

secondary

#D2BD8F

accent

#B344E4

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3765CE

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

Preview Lab → · Contrast checker → · Palette generator →