#3764AA#3764AA

#3764AA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 50.7% C 0.122 H 259.0°. Best body text is #FFFFFF at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#3764AA
RGB	rgb(55, 100, 170)
HSL	hsl(217, 51%, 44%)
HSV	hsv(217, 68%, 67%)
CMYK	cmyk(67.6%, 41.2%, 0%, 33.3%)
CIE-LAB	lab(42.50, 7.97, -42.13)
CIE-LCH	lch(42.50, 42.87, 280.72°)
OKLab	oklab(50.66% -0.0234 -0.1201)
OKLCH	oklch(50.66% 0.122 259)
XYZ	xyz(13.3858, 12.8275, 39.7929)
Luminance	0.1283 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764AA #AA7D37

analogous

#379EAA #3764AA #4437AA

triadic

#3764AA #AA3764 #64AA37

tetradic

#3764AA #AA379E #AA7D37 #37AA44

square

#3764AA #AA379E #AA7D37 #37AA44

split-complementary

#3764AA #AA4437 #9EAA37

monochromatic

#192E4E #28497C #3764AA #5683C8 #84A5D7

Accessibility & contrast

On white

5.89

#3764AA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#3764AA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764AA

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764AA	#FFFFFF	#000000	##FFFFFF
##3764AA	1.00	5.89	3.57	5.89
#FFFFFF	5.89	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#446AAD

Deuteranopia (green-blind)

#325FA9

Tritanopia (blue-blind)

#00747F

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #3764aa;
/* rgb */ color: rgb(55, 100, 170);
/* oklch */ color: oklch(50.7% 0.122 259.0);

Tailwind

colors: {
  custom: {
    50: '#7a8fc4',
    500: '#3764aa',
    950: '#000000',
  },
}

SCSS

$custom: #3764aa;
$custom-light: #7a8fc4;
$custom-dark: #000000;

JSON

{
  "hex": "#3764aa",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 170
  },
  "hsl": {
    "h": 216.522,
    "s": 51.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50664,
    "c": 0.12235,
    "h": 259
  },
  "luminance": 0.12829
}

Semantic roles & 50–950 ramp

primary

#3764AA

secondary

#C1A67C

accent

#A34DDB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C12

muted

#7C7D81

Preview Lab

Preview with #3764AA

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

Preview Lab → · Contrast checker → · Palette generator →