#3764AC#3764AC

#3764AC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.8% C 0.125 H 259.4°. Best body text is #FFFFFF at 5.86:1 contrast (WCAG AA passes).

Color values

HEX	#3764AC
RGB	rgb(55, 100, 172)
HSL	hsl(217, 52%, 45%)
HSV	hsv(217, 68%, 67%)
CMYK	cmyk(68%, 41.9%, 0%, 32.5%)
CIE-LAB	lab(42.62, 8.70, -43.12)
CIE-LCH	lch(42.62, 43.99, 281.41°)
OKLab	oklab(50.79% -0.023 -0.123)
OKLCH	oklch(50.79% 0.125 259.4)
XYZ	xyz(13.5764, 12.9038, 40.7969)
Luminance	0.1290 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764AC #AC7F37

analogous

#379FAC #3764AC #4537AC

triadic

#3764AC #AC3764 #64AC37

tetradic

#3764AC #AC379F #AC7F37 #37AC45

square

#3764AC #AC379F #AC7F37 #37AC45

split-complementary

#3764AC #AC4537 #9FAC37

monochromatic

#192E4F #28497E #3764AC #5783C9 #85A5D8

Accessibility & contrast

On white

5.86

#3764AC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3764AC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764AC

5.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764AC	#FFFFFF	#000000	##FFFFFF
##3764AC	1.00	5.86	3.58	5.86
#FFFFFF	5.86	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#436AAF

Deuteranopia (green-blind)

#3060AB

Tritanopia (blue-blind)

#00757F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3764ac;
/* rgb */ color: rgb(55, 100, 172);
/* oklch */ color: oklch(50.8% 0.125 259.4);

Tailwind

colors: {
  custom: {
    50: '#7b8fc5',
    500: '#3764ac',
    950: '#000000',
  },
}

SCSS

$custom: #3764ac;
$custom-light: #7b8fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3764ac",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 172
  },
  "hsl": {
    "h": 216.923,
    "s": 51.542,
    "l": 44.51
  },
  "oklch": {
    "l": 0.50791,
    "c": 0.12512,
    "h": 259.4
  },
  "luminance": 0.12905
}

Semantic roles & 50–950 ramp

primary

#3764AC

secondary

#C2A77D

accent

#A44DDB

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #3764AC

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

Preview Lab → · Contrast checker → · Palette generator →