#3669C4#3669C4

#3669C4 is a mid, vivid blue. Relative luminance 0.149; OKLCH L 53.4% C 0.153 H 261.0°. Best body text is #FFFFFF at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#3669C4
RGB	rgb(54, 105, 196)
HSL	hsl(218, 57%, 49%)
HSV	hsv(218, 72%, 77%)
CMYK	cmyk(72.4%, 46.4%, 0%, 23.1%)
CIE-LAB	lab(45.46, 14.21, -52.56)
CIE-LCH	lch(45.46, 54.44, 285.13°)
OKLab	oklab(53.44% -0.024 -0.1507)
OKLCH	oklch(53.44% 0.153 261)
XYZ	xyz(16.5331, 14.8712, 54.2129)
Luminance	0.1487 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3669C4 #C49136

analogous

#36B0C4 #3669C4 #4A36C4

triadic

#3669C4 #C43669 #69C436

tetradic

#3669C4 #C436B0 #C49136 #36C44A

square

#3669C4 #C436B0 #C49136 #36C44A

split-complementary

#3669C4 #C44A36 #B0C436

monochromatic

#1C3664 #294F94 #3669C4 #638CD4 #93AFE1

Accessibility & contrast

On white

5.28

#3669C4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.97

#3669C4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669C4

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3669C4	#FFFFFF	#000000	##FFFFFF
##3669C4	1.00	5.28	3.97	5.28
#FFFFFF	5.28	1.00	21.00	1.00
#000000	3.97	21.00	1.00	21.00
##FFFFFF	5.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3973C7

Deuteranopia (green-blind)

#1866C2

Tritanopia (blue-blind)

#007E8D

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3669c4;
/* rgb */ color: rgb(54, 105, 196);
/* oklch */ color: oklch(53.4% 0.153 261.0);

Tailwind

colors: {
  custom: {
    50: '#7f93d6',
    500: '#3669c4',
    950: '#000000',
  },
}

SCSS

$custom: #3669c4;
$custom-light: #7f93d6;
$custom-dark: #000000;

JSON

{
  "hex": "#3669c4",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 196
  },
  "hsl": {
    "h": 218.451,
    "s": 56.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.53439,
    "c": 0.15256,
    "h": 261
  },
  "luminance": 0.14873
}

Semantic roles & 50–950 ramp

primary

#3669C4

secondary

#CCB489

accent

#A948E0

background

#F8F9FD

surface

#F0F1FA

border

#CBCBD3

text

#0B0D14

muted

#7C7E83

Preview Lab

Preview with #3669C4

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

Preview Lab → · Contrast checker → · Palette generator →