#3767BC#3767BC

#3767BC is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.5% C 0.144 H 260.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3767BC
RGB	rgb(55, 103, 188)
HSL	hsl(218, 55%, 48%)
HSV	hsv(218, 71%, 74%)
CMYK	cmyk(70.7%, 45.2%, 0%, 26.3%)
CIE-LAB	lab(44.44, 12.67, -49.56)
CIE-LCH	lch(44.44, 51.16, 284.34°)
OKLab	oklab(52.5% -0.0228 -0.1419)
OKLCH	oklch(52.5% 0.144 260.9)
XYZ	xyz(15.4996, 14.1419, 49.4800)
Luminance	0.1414 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3767BC #BC8C37

analogous

#37A9BC #3767BC #4937BC

triadic

#3767BC #BC3767 #67BC37

tetradic

#3767BC #BC37A9 #BC8C37 #37BC49

square

#3767BC #BC37A9 #BC8C37 #37BC49

split-complementary

#3767BC #BC4937 #A9BC37

monochromatic

#1B335D #294D8D #3767BC #6088D0 #8FACDE

Accessibility & contrast

On white

5.48

#3767BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#3767BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3767BC

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3767BC	#FFFFFF	#000000	##FFFFFF
##3767BC	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C70BF

Deuteranopia (green-blind)

#2263BA

Tritanopia (blue-blind)

#007B88

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #3767bc;
/* rgb */ color: rgb(55, 103, 188);
/* oklch */ color: oklch(52.5% 0.144 260.9);

Tailwind

colors: {
  custom: {
    50: '#7e91d1',
    500: '#3767bc',
    950: '#000000',
  },
}

SCSS

$custom: #3767bc;
$custom-light: #7e91d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3767bc",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 188
  },
  "hsl": {
    "h": 218.346,
    "s": 54.733,
    "l": 47.647
  },
  "oklch": {
    "l": 0.52504,
    "c": 0.1437,
    "h": 260.9
  },
  "luminance": 0.14144
}

Semantic roles & 50–950 ramp

primary

#3767BC

secondary

#C9B186

accent

#A94ADE

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3767BC

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

Preview Lab → · Contrast checker → · Palette generator →