#3764BC#3764BC

#3764BC is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.9% C 0.147 H 262.2°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#3764BC
RGB	rgb(55, 100, 188)
HSL	hsl(220, 55%, 48%)
HSV	hsv(220, 71%, 74%)
CMYK	cmyk(70.7%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(43.59, 14.59, -50.92)
CIE-LCH	lch(43.59, 52.97, 285.98°)
OKLab	oklab(51.85% -0.02 -0.1459)
OKLCH	oklch(51.85% 0.147 262.2)
XYZ	xyz(15.2066, 13.5558, 49.3823)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3764BC #BC8F37

analogous

#37A7BC #3764BC #4C37BC

triadic

#3764BC #BC3764 #64BC37

tetradic

#3764BC #BC37A7 #BC8F37 #37BC4C

square

#3764BC #BC37A7 #BC8F37 #37BC4C

split-complementary

#3764BC #BC4C37 #A7BC37

monochromatic

#1B325D #294B8D #3764BC #6086D0 #8FAADE

Accessibility & contrast

On white

5.66

#3764BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#3764BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3764BC

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3764BC	#FFFFFF	#000000	##FFFFFF
##3764BC	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366EBF

Deuteranopia (green-blind)

#1861BA

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3764bc;
/* rgb */ color: rgb(55, 100, 188);
/* oklch */ color: oklch(51.9% 0.147 262.2);

Tailwind

colors: {
  custom: {
    50: '#7e8fd1',
    500: '#3764bc',
    950: '#000000',
  },
}

SCSS

$custom: #3764bc;
$custom-light: #7e8fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#3764bc",
  "rgb": {
    "r": 55,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 219.699,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.51853,
    "c": 0.1473,
    "h": 262.2
  },
  "luminance": 0.13557
}

Semantic roles & 50–950 ramp

primary

#3764BC

secondary

#C9B286

accent

#AC4ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3764BC

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

Preview Lab → · Contrast checker → · Palette generator →