#3363B9#3363B9

#3363B9 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.3% C 0.146 H 261.0°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3363B9
RGB	rgb(51, 99, 185)
HSL	hsl(219, 57%, 46%)
HSV	hsv(219, 72%, 73%)
CMYK	cmyk(72.4%, 46.5%, 0%, 27.5%)
CIE-LAB	lab(42.96, 13.54, -50.20)
CIE-LCH	lch(42.96, 51.99, 285.09°)
OKLab	oklab(51.26% -0.0227 -0.1439)
OKLCH	oklch(51.26% 0.146 261)
XYZ	xyz(14.5809, 13.1287, 47.6552)
Luminance	0.1313 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363B9 #B98933

analogous

#33A6B9 #3363B9 #4633B9

triadic

#3363B9 #B93363 #63B933

tetradic

#3363B9 #B933A6 #B98933 #33B946

square

#3363B9 #B933A6 #B98933 #33B946

split-complementary

#3363B9 #B94633 #A6B933

monochromatic

#193059 #264989 #3363B9 #5883D1 #88A7DE

Accessibility & contrast

On white

5.79

#3363B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3363B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363B9

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363B9	#FFFFFF	#000000	##FFFFFF
##3363B9	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366CBC

Deuteranopia (green-blind)

#1860B7

Tritanopia (blue-blind)

#007785

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3363b9;
/* rgb */ color: rgb(51, 99, 185);
/* oklch */ color: oklch(51.3% 0.146 261.0);

Tailwind

colors: {
  custom: {
    50: '#7c8ece',
    500: '#3363b9',
    950: '#000000',
  },
}

SCSS

$custom: #3363b9;
$custom-light: #7c8ece;
$custom-dark: #000000;

JSON

{
  "hex": "#3363b9",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 185
  },
  "hsl": {
    "h": 218.507,
    "s": 56.78,
    "l": 46.275
  },
  "oklch": {
    "l": 0.51262,
    "c": 0.14567,
    "h": 261
  },
  "luminance": 0.1313
}

Semantic roles & 50–950 ramp

primary

#3363B9

secondary

#C8AE80

accent

#A948E0

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3363B9

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

Preview Lab → · Contrast checker → · Palette generator →