#3669CB#3669CB

#3669CB is a mid, vivid blue. Relative luminance 0.152; OKLCH L 53.9% C 0.162 H 261.9°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#3669CB
RGB	rgb(54, 105, 203)
HSL	hsl(219, 59%, 50%)
HSV	hsv(219, 73%, 80%)
CMYK	cmyk(73.4%, 48.3%, 0%, 20.4%)
CIE-LAB	lab(45.90, 16.80, -55.87)
CIE-LCH	lch(45.90, 58.34, 286.74°)
OKLab	oklab(53.93% -0.0229 -0.1604)
OKLCH	oklch(53.93% 0.162 261.9)
XYZ	xyz(17.3485, 15.1973, 58.5074)
Luminance	0.1520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3669CB #CB9836

analogous

#36B3CB #3669CB #4D36CB

triadic

#3669CB #CB3669 #69CB36

tetradic

#3669CB #CB36B3 #CB9836 #36CB4D

square

#3669CB #CB36B3 #CB9836 #36CB4D

split-complementary

#3669CB #CB4D36 #B3CB36

monochromatic

#1C376B #28509C #3669CB #678DD8 #97B2E4

Accessibility & contrast

On white

5.20

#3669CB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.04

#3669CB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669CB

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3669CB	#FFFFFF	#000000	##FFFFFF
##3669CB	1.00	5.20	4.04	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.04	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3274CF

Deuteranopia (green-blind)

#0066C9

Tritanopia (blue-blind)

#008090

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #3669cb;
/* rgb */ color: rgb(54, 105, 203);
/* oklch */ color: oklch(53.9% 0.162 261.9);

Tailwind

colors: {
  custom: {
    50: '#8093db',
    500: '#3669cb',
    950: '#000000',
  },
}

SCSS

$custom: #3669cb;
$custom-light: #8093db;
$custom-dark: #000000;

JSON

{
  "hex": "#3669cb",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 203
  },
  "hsl": {
    "h": 219.463,
    "s": 58.893,
    "l": 50.392
  },
  "oklch": {
    "l": 0.53925,
    "c": 0.16204,
    "h": 261.9
  },
  "luminance": 0.15199
}

Semantic roles & 50–950 ramp

primary

#3669CB

secondary

#D0B98D

accent

#AD46E2

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3669CB

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

Preview Lab → · Contrast checker → · Palette generator →