#3561BB#3561BB

#3561BB is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.1% C 0.150 H 262.7°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#3561BB
RGB	rgb(53, 97, 187)
HSL	hsl(220, 56%, 47%)
HSV	hsv(220, 72%, 73%)
CMYK	cmyk(71.7%, 48.1%, 0%, 26.7%)
CIE-LAB	lab(42.60, 15.85, -51.93)
CIE-LCH	lch(42.60, 54.30, 286.98°)
OKLab	oklab(51.05% -0.0191 -0.149)
OKLCH	oklch(51.05% 0.15 262.7)
XYZ	xyz(14.7093, 12.8926, 48.7174)
Luminance	0.1289 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3561BB #BB8F35

analogous

#35A4BB #3561BB #4C35BB

triadic

#3561BB #BB3561 #61BB35

tetradic

#3561BB #BB35A4 #BB8F35 #35BB4C

square

#3561BB #BB35A4 #BB8F35 #35BB4C

split-complementary

#3561BB #BB4C35 #A4BB35

monochromatic

#1A305C #27488B #3561BB #5C83D1 #8CA7DE

Accessibility & contrast

On white

5.87

#3561BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#3561BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3561BB

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3561BB	#FFFFFF	#000000	##FFFFFF
##3561BB	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#306BBE

Deuteranopia (green-blind)

#095FB9

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3561bb;
/* rgb */ color: rgb(53, 97, 187);
/* oklch */ color: oklch(51.1% 0.150 262.7);

Tailwind

colors: {
  custom: {
    50: '#7d8dd0',
    500: '#3561bb',
    950: '#000000',
  },
}

SCSS

$custom: #3561bb;
$custom-light: #7d8dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#3561bb",
  "rgb": {
    "r": 53,
    "g": 97,
    "b": 187
  },
  "hsl": {
    "h": 220.299,
    "s": 55.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.51053,
    "c": 0.1502,
    "h": 262.7
  },
  "luminance": 0.12894
}

Semantic roles & 50–950 ramp

primary

#3561BB

secondary

#C9B283

accent

#AE49DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3561BB

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

Preview Lab → · Contrast checker → · Palette generator →