#3765AA#3765AA

#3765AA is a mid, vivid blue. Relative luminance 0.130; OKLCH L 50.9% C 0.121 H 258.4°. Best body text is #FFFFFF at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#3765AA
RGB	rgb(55, 101, 170)
HSL	hsl(216, 51%, 44%)
HSV	hsv(216, 68%, 67%)
CMYK	cmyk(67.6%, 40.6%, 0%, 33.3%)
CIE-LAB	lab(42.79, 7.34, -41.66)
CIE-LCH	lch(42.79, 42.30, 279.99°)
OKLab	oklab(50.89% -0.0244 -0.1187)
OKLCH	oklch(50.89% 0.121 258.4)
XYZ	xyz(13.4823, 13.0205, 39.8251)
Luminance	0.1302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765AA #AA7C37

analogous

#379FAA #3765AA #4337AA

triadic

#3765AA #AA3765 #65AA37

tetradic

#3765AA #AA379F #AA7C37 #37AA43

square

#3765AA #AA379F #AA7C37 #37AA43

split-complementary

#3765AA #AA4337 #9FAA37

monochromatic

#192E4E #284A7C #3765AA #5684C8 #84A5D7

Accessibility & contrast

On white

5.83

#3765AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#3765AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765AA

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765AA	#FFFFFF	#000000	##FFFFFF
##3765AA	1.00	5.83	3.60	5.83
#FFFFFF	5.83	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#466BAD

Deuteranopia (green-blind)

#3460A9

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3765aa;
/* rgb */ color: rgb(55, 101, 170);
/* oklch */ color: oklch(50.9% 0.121 258.4);

Tailwind

colors: {
  custom: {
    50: '#7a90c4',
    500: '#3765aa',
    950: '#000000',
  },
}

SCSS

$custom: #3765aa;
$custom-light: #7a90c4;
$custom-dark: #000000;

JSON

{
  "hex": "#3765aa",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 170
  },
  "hsl": {
    "h": 216,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.5089,
    "c": 0.12119,
    "h": 258.4
  },
  "luminance": 0.13022
}

Semantic roles & 50–950 ramp

primary

#3765AA

secondary

#C1A57C

accent

#A24DDB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3765AA

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

Preview Lab → · Contrast checker → · Palette generator →