#3765AF#3765AF

#3765AF is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.2% C 0.128 H 259.5°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#3765AF
RGB	rgb(55, 101, 175)
HSL	hsl(217, 52%, 45%)
HSV	hsv(217, 69%, 69%)
CMYK	cmyk(68.6%, 42.3%, 0%, 31.4%)
CIE-LAB	lab(43.08, 9.17, -44.14)
CIE-LCH	lch(43.08, 45.08, 281.73°)
OKLab	oklab(51.21% -0.0234 -0.126)
OKLCH	oklch(51.21% 0.128 259.5)
XYZ	xyz(13.9643, 13.2133, 42.3636)
Luminance	0.1321 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3765AF #AF8137

analogous

#37A1AF #3765AF #4537AF

triadic

#3765AF #AF3765 #65AF37

tetradic

#3765AF #AF37A1 #AF8137 #37AF45

square

#3765AF #AF37A1 #AF8137 #37AF45

split-complementary

#3765AF #AF4537 #A1AF37

monochromatic

#1A2F52 #284A80 #3765AF #5984CB #87A7D9

Accessibility & contrast

On white

5.76

#3765AF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.64

#3765AF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3765AF

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3765AF	#FFFFFF	#000000	##FFFFFF
##3765AF	1.00	5.76	3.64	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.64	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#426CB2

Deuteranopia (green-blind)

#2F61AD

Tritanopia (blue-blind)

#007681

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3765af;
/* rgb */ color: rgb(55, 101, 175);
/* oklch */ color: oklch(51.2% 0.128 259.5);

Tailwind

colors: {
  custom: {
    50: '#7b90c7',
    500: '#3765af',
    950: '#000000',
  },
}

SCSS

$custom: #3765af;
$custom-light: #7b90c7;
$custom-dark: #000000;

JSON

{
  "hex": "#3765af",
  "rgb": {
    "r": 55,
    "g": 101,
    "b": 175
  },
  "hsl": {
    "h": 217,
    "s": 52.174,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51208,
    "c": 0.12812,
    "h": 259.5
  },
  "luminance": 0.13215
}

Semantic roles & 50–950 ramp

primary

#3765AF

secondary

#C3A97F

accent

#A54CDC

background

#F8F8FC

surface

#EFF0F8

border

#CACBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3765AF

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

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