#3767CB#3767CB

#3767CB is a mid, vivid blue. Relative luminance 0.148; OKLCH L 53.5% C 0.164 H 262.8°. Best body text is #FFFFFF at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#3767CB
RGB	rgb(55, 103, 203)
HSL	hsl(221, 59%, 51%)
HSV	hsv(221, 73%, 80%)
CMYK	cmyk(72.9%, 49.3%, 0%, 20.4%)
CIE-LAB	lab(45.39, 18.21, -56.69)
CIE-LCH	lch(45.39, 59.54, 287.81°)
OKLab	oklab(53.54% -0.0205 -0.1628)
OKLCH	oklch(53.54% 0.164 262.8)
XYZ	xyz(17.2014, 14.8227, 58.4428)
Luminance	0.1482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3767CB #CB9B37

analogous

#37B1CB #3767CB #5137CB

triadic

#3767CB #CB3767 #67CB37

tetradic

#3767CB #CB37B1 #CB9B37 #37CB51

square

#3767CB #CB37B1 #CB9B37 #37CB51

split-complementary

#3767CB #CB5137 #B1CB37

monochromatic

#1C366C #294E9C #3767CB #688CD8 #98B1E4

Accessibility & contrast

On white

5.30

#3767CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.96

#3767CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3767CB

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3767CB	#FFFFFF	#000000	##FFFFFF
##3767CB	1.00	5.30	3.96	5.30
#FFFFFF	5.30	1.00	21.00	1.00
#000000	3.96	21.00	1.00	21.00
##FFFFFF	5.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D73CF

Deuteranopia (green-blind)

#0065C9

Tritanopia (blue-blind)

#007F8F

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3767cb;
/* rgb */ color: rgb(55, 103, 203);
/* oklch */ color: oklch(53.5% 0.164 262.8);

Tailwind

colors: {
  custom: {
    50: '#8191db',
    500: '#3767cb',
    950: '#000000',
  },
}

SCSS

$custom: #3767cb;
$custom-light: #8191db;
$custom-dark: #000000;

JSON

{
  "hex": "#3767cb",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 203
  },
  "hsl": {
    "h": 220.541,
    "s": 58.73,
    "l": 50.588
  },
  "oklch": {
    "l": 0.53543,
    "c": 0.16413,
    "h": 262.8
  },
  "luminance": 0.14825
}

Semantic roles & 50–950 ramp

primary

#3767CB

secondary

#D0BA8E

accent

#AF46E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #3767CB

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

Preview Lab → · Contrast checker → · Palette generator →