#3767DB#3767DB

#3767DB is a mid, vivid blue. Relative luminance 0.156; OKLCH L 54.7% C 0.186 H 264.2°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3767DB
RGB	rgb(55, 103, 219)
HSL	hsl(222, 69%, 54%)
HSV	hsv(222, 75%, 86%)
CMYK	cmyk(74.9%, 53%, 0%, 14.1%)
CIE-LAB	lab(46.48, 24.11, -64.07)
CIE-LCH	lch(46.48, 68.46, 290.62°)
OKLab	oklab(54.72% -0.0187 -0.1846)
OKLCH	oklch(54.72% 0.186 264.2)
XYZ	xyz(19.2074, 15.6251, 69.0077)
Luminance	0.1563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3767DB #DBAB37

analogous

#37B9DB #3767DB #5937DB

triadic

#3767DB #DB3767 #67DB37

tetradic

#3767DB #DB37B9 #DBAB37 #37DB59

square

#3767DB #DB37B9 #DBAB37 #37DB59

split-complementary

#3767DB #DB5937 #B9DB37

monochromatic

#173680 #204CB4 #3767DB #6B8EE4 #9FB6EE

Accessibility & contrast

On white

5.09

#3767DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3767DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3767DB

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3767DB	#FFFFFF	#000000	##FFFFFF
##3767DB	1.00	5.09	4.13	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B76DF

Deuteranopia (green-blind)

#0067D9

Tritanopia (blue-blind)

#008397

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3767db;
/* rgb */ color: rgb(55, 103, 219);
/* oklch */ color: oklch(54.7% 0.186 264.2);

Tailwind

colors: {
  custom: {
    50: '#8491e7',
    500: '#3767db',
    950: '#000000',
  },
}

SCSS

$custom: #3767db;
$custom-light: #8491e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3767db",
  "rgb": {
    "r": 55,
    "g": 103,
    "b": 219
  },
  "hsl": {
    "h": 222.439,
    "s": 69.492,
    "l": 53.725
  },
  "oklch": {
    "l": 0.54717,
    "c": 0.18552,
    "h": 264.2
  },
  "luminance": 0.15627
}

Semantic roles & 50–950 ramp

primary

#3767DB

secondary

#DAC594

accent

#B93BEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3767DB

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

Preview Lab → · Contrast checker → · Palette generator →