#3765AD#3765AD

#3765AD is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.1% C 0.125 H 259.1°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3765AD
RGB	rgb(55, 101, 173)
HSL	hsl(217, 52%, 45%)
HSV	hsv(217, 68%, 68%)
CMYK	cmyk(68.2%, 41.6%, 0%, 32.2%)
CIE-LAB	lab(42.97, 8.43, -43.15)
CIE-LCH	lch(42.97, 43.97, 281.06°)
OKLab	oklab(51.08% -0.0238 -0.1231)
OKLCH	oklch(51.08% 0.125 259.1)
XYZ	xyz(13.7693, 13.1353, 41.3368)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765AD #AD7F37

analogous

#37A0AD #3765AD #4437AD

triadic

#3765AD #AD3765 #65AD37

tetradic

#3765AD #AD37A0 #AD7F37 #37AD44

square

#3765AD #AD37A0 #AD7F37 #37AD44

split-complementary

#3765AD #AD4437 #A0AD37

monochromatic

#192F50 #284A7F #3765AD #5784CA #86A6D8

Accessibility & contrast

On white

5.79

#3765AD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3765AD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765AD

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765AD	#FFFFFF	#000000	##FFFFFF
##3765AD	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446BB0

Deuteranopia (green-blind)

#3160AC

Tritanopia (blue-blind)

#007680

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3765ad;
/* rgb */ color: rgb(55, 101, 173);
/* oklch */ color: oklch(51.1% 0.125 259.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3765ad",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 173
  },
  "hsl": {
    "h": 216.61,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.5108,
    "c": 0.12535,
    "h": 259.1
  },
  "luminance": 0.13137
}

Semantic roles & 50–950 ramp

primary

#3765AD

secondary

#C2A77D

accent

#A44DDB

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3765AD

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

Preview Lab → · Contrast checker → · Palette generator →