#3765AE#3765AE

#3765AE is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.1% C 0.127 H 259.3°. Best body text is #FFFFFF at 5.78:1 contrast (WCAG AA passes).

Color values

HEX	#3765AE
RGB	rgb(55, 101, 174)
HSL	hsl(217, 52%, 45%)
HSV	hsv(217, 68%, 68%)
CMYK	cmyk(68.4%, 42%, 0%, 31.8%)
CIE-LAB	lab(43.02, 8.80, -43.65)
CIE-LCH	lch(43.02, 44.52, 281.40°)
OKLab	oklab(51.14% -0.0236 -0.1245)
OKLCH	oklch(51.14% 0.127 259.3)
XYZ	xyz(13.8665, 13.1742, 41.8483)
Luminance	0.1318 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765AE #AE8037

analogous

#37A0AE #3765AE #4537AE

triadic

#3765AE #AE3765 #65AE37

tetradic

#3765AE #AE37A0 #AE8037 #37AE45

square

#3765AE #AE37A0 #AE8037 #37AE45

split-complementary

#3765AE #AE4537 #A0AE37

monochromatic

#1A2F51 #284A7F #3765AE #5884CA #86A6D9

Accessibility & contrast

On white

5.78

#3765AE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3765AE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765AE

5.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765AE	#FFFFFF	#000000	##FFFFFF
##3765AE	1.00	5.78	3.64	5.78
#FFFFFF	5.78	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436CB1

Deuteranopia (green-blind)

#3061AD

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3765ae;
/* rgb */ color: rgb(55, 101, 174);
/* oklch */ color: oklch(51.1% 0.127 259.3);

Tailwind

colors: {
  custom: {
    50: '#7b90c6',
    500: '#3765ae',
    950: '#000000',
  },
}

SCSS

$custom: #3765ae;
$custom-light: #7b90c6;
$custom-dark: #000000;

JSON

{
  "hex": "#3765ae",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 174
  },
  "hsl": {
    "h": 216.807,
    "s": 51.965,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51144,
    "c": 0.12673,
    "h": 259.3
  },
  "luminance": 0.13176
}

Semantic roles & 50–950 ramp

primary

#3765AE

secondary

#C3A87E

accent

#A44CDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3765AE

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

Preview Lab → · Contrast checker → · Palette generator →