#3765AC#3765AC

#3765AC is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.0% C 0.124 H 258.8°. Best body text is #FFFFFF at 5.80:1 contrast (WCAG AA passes).

Color values

HEX	#3765AC
RGB	rgb(55, 101, 172)
HSL	hsl(216, 52%, 45%)
HSV	hsv(216, 68%, 67%)
CMYK	cmyk(68%, 41.3%, 0%, 32.5%)
CIE-LAB	lab(42.91, 8.07, -42.66)
CIE-LCH	lch(42.91, 43.41, 280.71°)
OKLab	oklab(51.02% -0.024 -0.1216)
OKLCH	oklch(51.02% 0.124 258.8)
XYZ	xyz(13.6729, 13.0968, 40.8291)
Luminance	0.1310 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765AC #AC7E37

analogous

#37A0AC #3765AC #4337AC

triadic

#3765AC #AC3765 #65AC37

tetradic

#3765AC #AC37A0 #AC7E37 #37AC43

square

#3765AC #AC37A0 #AC7E37 #37AC43

split-complementary

#3765AC #AC4337 #A0AC37

monochromatic

#192F4F #284A7E #3765AC #5784C9 #85A6D8

Accessibility & contrast

On white

5.80

#3765AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.62

#3765AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765AC

5.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765AC	#FFFFFF	#000000	##FFFFFF
##3765AC	1.00	5.80	3.62	5.80
#FFFFFF	5.80	1.00	21.00	1.00
#000000	3.62	21.00	1.00	21.00
##FFFFFF	5.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446BAF

Deuteranopia (green-blind)

#3260AB

Tritanopia (blue-blind)

#007580

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3765ac;
/* rgb */ color: rgb(55, 101, 172);
/* oklch */ color: oklch(51.0% 0.124 258.8);

Tailwind

colors: {
  custom: {
    50: '#7b90c5',
    500: '#3765ac',
    950: '#000000',
  },
}

SCSS

$custom: #3765ac;
$custom-light: #7b90c5;
$custom-dark: #000000;

JSON

{
  "hex": "#3765ac",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 172
  },
  "hsl": {
    "h": 216.41,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.51016,
    "c": 0.12397,
    "h": 258.8
  },
  "luminance": 0.13098
}

Semantic roles & 50–950 ramp

primary

#3765AC

secondary

#C2A77D

accent

#A34DDB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3765AC

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

Preview Lab → · Contrast checker → · Palette generator →