#3669CF#3669CF

#3669CF is a mid, vivid blue. Relative luminance 0.154; OKLCH L 54.2% C 0.167 H 262.3°. Best body text is #FFFFFF at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#3669CF
RGB	rgb(54, 105, 207)
HSL	hsl(220, 61%, 51%)
HSV	hsv(220, 74%, 81%)
CMYK	cmyk(73.9%, 49.3%, 0%, 18.8%)
CIE-LAB	lab(46.16, 18.28, -57.74)
CIE-LCH	lch(46.16, 60.57, 287.57°)
OKLab	oklab(54.21% -0.0224 -0.1659)
OKLCH	oklch(54.21% 0.167 262.3)
XYZ	xyz(17.8314, 15.3904, 61.0503)
Luminance	0.1539 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3669CF #CF9C36

analogous

#36B5CF #3669CF #4F36CF

triadic

#3669CF #CF3669 #69CF36

tetradic

#3669CF #CF36B5 #CF9C36 #36CF4F

square

#3669CF #CF36B5 #CF9C36 #36CF4F

split-complementary

#3669CF #CF4F36 #B5CF36

monochromatic

#1B3770 #274FA1 #3669CF #678EDB #99B3E7

Accessibility & contrast

On white

5.15

#3669CF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.08

#3669CF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669CF

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3669CF	#FFFFFF	#000000	##FFFFFF
##3669CF	1.00	5.15	4.08	5.15
#FFFFFF	5.15	1.00	21.00	1.00
#000000	4.08	21.00	1.00	21.00
##FFFFFF	5.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D75D3

Deuteranopia (green-blind)

#0067CD

Tritanopia (blue-blind)

#008192

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3669cf;
/* rgb */ color: rgb(54, 105, 207);
/* oklch */ color: oklch(54.2% 0.167 262.3);

Tailwind

colors: {
  custom: {
    50: '#8193de',
    500: '#3669cf',
    950: '#000000',
  },
}

SCSS

$custom: #3669cf;
$custom-light: #8193de;
$custom-dark: #000000;

JSON

{
  "hex": "#3669cf",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 207
  },
  "hsl": {
    "h": 220,
    "s": 61.446,
    "l": 51.176
  },
  "oklch": {
    "l": 0.54208,
    "c": 0.16741,
    "h": 262.3
  },
  "luminance": 0.15392
}

Semantic roles & 50–950 ramp

primary

#3669CF

secondary

#D2BC8F

accent

#AF43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3669CF

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

Preview Lab → · Contrast checker → · Palette generator →