#3765CD#3765CD

#3765CD is a mid, vivid blue. Relative luminance 0.145; OKLCH L 53.3% C 0.169 H 263.7°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#3765CD
RGB	rgb(55, 101, 205)
HSL	hsl(222, 60%, 51%)
HSV	hsv(222, 73%, 80%)
CMYK	cmyk(73.2%, 50.7%, 0%, 19.6%)
CIE-LAB	lab(44.98, 20.23, -58.51)
CIE-LCH	lch(44.98, 61.90, 289.07°)
OKLab	oklab(53.27% -0.0186 -0.1682)
OKLCH	oklch(53.27% 0.169 263.7)
XYZ	xyz(17.2448, 14.5255, 59.6406)
Luminance	0.1453 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765CD #CD9F37

analogous

#37B0CD #3765CD #5437CD

triadic

#3765CD #CD3765 #65CD37

tetradic

#3765CD #CD37B0 #CD9F37 #37CD54

square

#3765CD #CD37B0 #CD9F37 #37CD54

split-complementary

#3765CD #CD5437 #B0CD37

monochromatic

#1C356E #284C9F #3765CD #688BD9 #99B0E5

Accessibility & contrast

On white

5.38

#3765CD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.91

#3765CD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765CD

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765CD	#FFFFFF	#000000	##FFFFFF
##3765CD	1.00	5.38	3.91	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.91	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2472D1

Deuteranopia (green-blind)

#0064CB

Tritanopia (blue-blind)

#007E8F

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3765cd;
/* rgb */ color: rgb(55, 101, 205);
/* oklch */ color: oklch(53.3% 0.169 263.7);

Tailwind

colors: {
  custom: {
    50: '#8190dd',
    500: '#3765cd',
    950: '#000000',
  },
}

SCSS

$custom: #3765cd;
$custom-light: #8190dd;
$custom-dark: #000000;

JSON

{
  "hex": "#3765cd",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 205
  },
  "hsl": {
    "h": 221.6,
    "s": 60,
    "l": 50.98
  },
  "oklch": {
    "l": 0.53271,
    "c": 0.16926,
    "h": 263.7
  },
  "luminance": 0.14527
}

Semantic roles & 50–950 ramp

primary

#3765CD

secondary

#D1BD8F

accent

#B345E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3765CD

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

Preview Lab → · Contrast checker → · Palette generator →