#3669BE#3669BE

#3669BE is a mid, vivid blue. Relative luminance 0.146; OKLCH L 53.0% C 0.144 H 260.0°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3669BE
RGB	rgb(54, 105, 190)
HSL	hsl(218, 56%, 48%)
HSV	hsv(218, 72%, 75%)
CMYK	cmyk(71.6%, 44.7%, 0%, 25.5%)
CIE-LAB	lab(45.09, 11.99, -49.68)
CIE-LCH	lch(45.09, 51.11, 283.57°)
OKLab	oklab(53.03% -0.025 -0.1422)
OKLCH	oklch(53.03% 0.144 260)
XYZ	xyz(15.8638, 14.6034, 50.6879)
Luminance	0.1461 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3669BE #BE8B36

analogous

#36ADBE #3669BE #4736BE

triadic

#3669BE #BE3669 #69BE36

tetradic

#3669BE #BE36AD #BE8B36 #36BE47

square

#3669BE #BE36AD #BE8B36 #36BE47

split-complementary

#3669BE #BE4736 #ADBE36

monochromatic

#1B345F #284F8E #3669BE #608AD2 #8FADDF

Accessibility & contrast

On white

5.36

#3669BE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3669BE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669BE

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3669BE	#FFFFFF	#000000	##FFFFFF
##3669BE	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E71C1

Deuteranopia (green-blind)

#2465BC

Tritanopia (blue-blind)

#007D8A

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3669be;
/* rgb */ color: rgb(54, 105, 190);
/* oklch */ color: oklch(53.0% 0.144 260.0);

Tailwind

colors: {
  custom: {
    50: '#7e93d2',
    500: '#3669be',
    950: '#000000',
  },
}

SCSS

$custom: #3669be;
$custom-light: #7e93d2;
$custom-dark: #000000;

JSON

{
  "hex": "#3669be",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 190
  },
  "hsl": {
    "h": 217.5,
    "s": 55.738,
    "l": 47.843
  },
  "oklch": {
    "l": 0.53034,
    "c": 0.14439,
    "h": 260
  },
  "luminance": 0.14605
}

Semantic roles & 50–950 ramp

primary

#3669BE

secondary

#CAB086

accent

#A749DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3669BE

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

Preview Lab → · Contrast checker → · Palette generator →