#3679DE#3679DE

#3679DE is a mid, vivid blue. Relative luminance 0.197; OKLCH L 58.6% C 0.169 H 258.7°. Best body text is #000000 at 4.95:1 contrast (WCAG AA passes).

Color values

HEX	#3679DE
RGB	rgb(54, 121, 222)
HSL	hsl(216, 72%, 54%)
HSV	hsv(216, 76%, 87%)
CMYK	cmyk(75.7%, 45.5%, 0%, 12.9%)
CIE-LAB	lab(51.53, 13.75, -57.62)
CIE-LCH	lch(51.53, 59.24, 283.42°)
OKLab	oklab(58.63% -0.0331 -0.1653)
OKLCH	oklch(58.63% 0.169 258.7)
XYZ	xyz(21.5387, 19.7305, 71.7663)
Luminance	0.1973 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3679DE #DE9B36

analogous

#36CDDE #3679DE #4736DE

triadic

#3679DE #DE3679 #79DE36

tetradic

#3679DE #DE36CD #DE9B36 #36DE47

square

#3679DE #DE36CD #DE9B36 #36DE47

split-complementary

#3679DE #DE4736 #CDDE36

monochromatic

#164284 #1E5CB9 #3679DE #6B9CE7 #9FBFEF

Accessibility & contrast

On white

4.25

#3679DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.95

#3679DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3679DE

4.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3679DE	#FFFFFF	#000000	##000000
##3679DE	1.00	4.25	4.95	4.95
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.95	21.00	1.00	1.00
##000000	4.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4483E2

Deuteranopia (green-blind)

#1C74DC

Tritanopia (blue-blind)

#0091A1

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #3679de;
/* rgb */ color: rgb(54, 121, 222);
/* oklch */ color: oklch(58.6% 0.169 258.7);

Tailwind

colors: {
  custom: {
    50: '#849fe9',
    500: '#3679de',
    950: '#000000',
  },
}

SCSS

$custom: #3679de;
$custom-light: #849fe9;
$custom-dark: #000000;

JSON

{
  "hex": "#3679de",
  "rgb": {
    "r": 54,
    "g": 121,
    "b": 222
  },
  "hsl": {
    "h": 216.071,
    "s": 71.795,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58634,
    "c": 0.16855,
    "h": 258.7
  },
  "luminance": 0.19733
}

Semantic roles & 50–950 ramp

primary

#3679DE

secondary

#DCBF94

accent

#A639EF

background

#F8F9FE

surface

#F0F2FD

border

#CBCCD5

text

#0C0E16

muted

#7D7E84

Preview Lab

Preview with #3679DE

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

Preview Lab → · Contrast checker → · Palette generator →