#3669C9#3669C9

#3669C9 is a mid, vivid blue. Relative luminance 0.151; OKLCH L 53.8% C 0.159 H 261.6°. Best body text is #FFFFFF at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#3669C9
RGB	rgb(54, 105, 201)
HSL	hsl(219, 58%, 50%)
HSV	hsv(219, 73%, 79%)
CMYK	cmyk(73.1%, 47.8%, 0%, 21.2%)
CIE-LAB	lab(45.77, 16.06, -54.93)
CIE-LCH	lch(45.77, 57.23, 286.30°)
OKLab	oklab(53.79% -0.0232 -0.1576)
OKLCH	oklch(53.79% 0.159 261.6)
XYZ	xyz(17.1117, 15.1026, 57.2603)
Luminance	0.1510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3669C9 #C99636

analogous

#36B2C9 #3669C9 #4D36C9

triadic

#3669C9 #C93669 #69C936

tetradic

#3669C9 #C936B2 #C99636 #36C94D

square

#3669C9 #C936B2 #C99636 #36C94D

split-complementary

#3669C9 #C94D36 #B2C936

monochromatic

#1C3769 #295099 #3669C9 #668DD6 #96B1E3

Accessibility & contrast

On white

5.22

#3669C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.02

#3669C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3669C9

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3669C9	#FFFFFF	#000000	##FFFFFF
##3669C9	1.00	5.22	4.02	5.22
#FFFFFF	5.22	1.00	21.00	1.00
#000000	4.02	21.00	1.00	21.00
##FFFFFF	5.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3474CD

Deuteranopia (green-blind)

#0766C7

Tritanopia (blue-blind)

#00808F

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #3669c9;
/* rgb */ color: rgb(54, 105, 201);
/* oklch */ color: oklch(53.8% 0.159 261.6);

Tailwind

colors: {
  custom: {
    50: '#8093da',
    500: '#3669c9',
    950: '#000000',
  },
}

SCSS

$custom: #3669c9;
$custom-light: #8093da;
$custom-dark: #000000;

JSON

{
  "hex": "#3669c9",
  "rgb": {
    "r": 54,
    "g": 105,
    "b": 201
  },
  "hsl": {
    "h": 219.184,
    "s": 57.647,
    "l": 50
  },
  "oklch": {
    "l": 0.53785,
    "c": 0.15933,
    "h": 261.6
  },
  "luminance": 0.15104
}

Semantic roles & 50–950 ramp

primary

#3669C9

secondary

#CEB78C

accent

#AB47E1

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0D15

muted

#7D7D83

Preview Lab

Preview with #3669C9

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

Preview Lab → · Contrast checker → · Palette generator →