#3867DB#3867DB

#3867DB is a mid, vivid blue. Relative luminance 0.157; OKLCH L 54.8% C 0.185 H 264.4°. Best body text is #FFFFFF at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#3867DB
RGB	rgb(56, 103, 219)
HSL	hsl(223, 69%, 54%)
HSV	hsv(223, 74%, 86%)
CMYK	cmyk(74.4%, 53%, 0%, 14.1%)
CIE-LAB	lab(46.52, 24.23, -64.01)
CIE-LCH	lch(46.52, 68.44, 290.73°)
OKLab	oklab(54.76% -0.018 -0.1844)
OKLCH	oklch(54.76% 0.185 264.4)
XYZ	xyz(19.2628, 15.6536, 69.0103)
Luminance	0.1566 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3867DB #DBAC38

analogous

#38B9DB #3867DB #5B38DB

triadic

#3867DB #DB3867 #67DB38

tetradic

#3867DB #DB38B9 #DBAC38 #38DB5B

square

#3867DB #DB38B9 #DBAC38 #38DB5B

split-complementary

#3867DB #DB5B38 #B9DB38

monochromatic

#173681 #214CB5 #3867DB #6C8FE4 #A0B6EE

Accessibility & contrast

On white

5.08

#3867DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.13

#3867DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3867DB

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3867DB	#FFFFFF	#000000	##FFFFFF
##3867DB	1.00	5.08	4.13	5.08
#FFFFFF	5.08	1.00	21.00	1.00
#000000	4.13	21.00	1.00	21.00
##FFFFFF	5.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C76DF

Deuteranopia (green-blind)

#0067D9

Tritanopia (blue-blind)

#008397

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #3867db;
/* rgb */ color: rgb(56, 103, 219);
/* oklch */ color: oklch(54.8% 0.185 264.4);

Tailwind

colors: {
  custom: {
    50: '#8591e7',
    500: '#3867db',
    950: '#000000',
  },
}

SCSS

$custom: #3867db;
$custom-light: #8591e7;
$custom-dark: #000000;

JSON

{
  "hex": "#3867db",
  "rgb": {
    "r": 56,
    "g": 103,
    "b": 219
  },
  "hsl": {
    "h": 222.699,
    "s": 69.362,
    "l": 53.922
  },
  "oklch": {
    "l": 0.54757,
    "c": 0.18524,
    "h": 264.4
  },
  "luminance": 0.15656
}

Semantic roles & 50–950 ramp

primary

#3867DB

secondary

#DAC695

accent

#B93CEC

background

#F8F8FE

surface

#F0F0FC

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #3867DB

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

Preview Lab → · Contrast checker → · Palette generator →