#3569BB#3569BB

#3569BB is a mid, vivid blue. Relative luminance 0.144; OKLCH L 52.8% C 0.141 H 259.2°. Best body text is #FFFFFF at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#3569BB
RGB	rgb(53, 105, 187)
HSL	hsl(217, 56%, 47%)
HSV	hsv(217, 72%, 73%)
CMYK	cmyk(71.7%, 43.9%, 0%, 26.7%)
CIE-LAB	lab(44.87, 10.74, -48.30)
CIE-LCH	lch(44.87, 49.48, 282.53°)
OKLab	oklab(52.8% -0.0263 -0.1382)
OKLCH	oklch(52.8% 0.141 259.2)
XYZ	xyz(15.4862, 14.4462, 48.9763)
Luminance	0.1445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3569BB #BB8735

analogous

#35ACBB #3569BB #4435BB

triadic

#3569BB #BB3569 #69BB35

tetradic

#3569BB #BB35AC #BB8735 #35BB44

square

#3569BB #BB35AC #BB8735 #35BB44

split-complementary

#3569BB #BB4435 #ACBB35

monochromatic

#1A335C #274E8B #3569BB #5C8AD1 #8CACDE

Accessibility & contrast

On white

5.40

#3569BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.89

#3569BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3569BB

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3569BB	#FFFFFF	#000000	##FFFFFF
##3569BB	1.00	5.40	3.89	5.40
#FFFFFF	5.40	1.00	21.00	1.00
#000000	3.89	21.00	1.00	21.00
##FFFFFF	5.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4171BE

Deuteranopia (green-blind)

#2864B9

Tritanopia (blue-blind)

#007C89

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #3569bb;
/* rgb */ color: rgb(53, 105, 187);
/* oklch */ color: oklch(52.8% 0.141 259.2);

Tailwind

colors: {
  custom: {
    50: '#7d93d0',
    500: '#3569bb',
    950: '#000000',
  },
}

SCSS

$custom: #3569bb;
$custom-light: #7d93d0;
$custom-dark: #000000;

JSON

{
  "hex": "#3569bb",
  "rgb": {
    "r": 53,
    "g": 105,
    "b": 187
  },
  "hsl": {
    "h": 216.716,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52795,
    "c": 0.14064,
    "h": 259.2
  },
  "luminance": 0.14448
}

Semantic roles & 50–950 ramp

primary

#3569BB

secondary

#C9AE83

accent

#A549DF

background

#F8F9FC

surface

#EFF1F9

border

#CACBD2

text

#0B0D14

muted

#7C7E82

Preview Lab

Preview with #3569BB

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

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