#3363B5#3363B5

#3363B5 is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.140 H 260.4°. Best body text is #FFFFFF at 5.85:1 contrast (WCAG AA passes).

Color values

HEX	#3363B5
RGB	rgb(51, 99, 181)
HSL	hsl(218, 56%, 45%)
HSV	hsv(218, 72%, 71%)
CMYK	cmyk(71.8%, 45.3%, 0%, 29%)
CIE-LAB	lab(42.71, 12.04, -48.27)
CIE-LCH	lch(42.71, 49.75, 284.01°)
OKLab	oklab(50.99% -0.0234 -0.1382)
OKLCH	oklch(50.99% 0.14 260.4)
XYZ	xyz(14.1646, 12.9622, 45.4626)
Luminance	0.1296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363B5 #B58533

analogous

#33A4B5 #3363B5 #4433B5

triadic

#3363B5 #B53363 #63B533

tetradic

#3363B5 #B533A4 #B58533 #33B544

square

#3363B5 #B533A4 #B58533 #33B544

split-complementary

#3363B5 #B54433 #A4B533

monochromatic

#182F56 #264985 #3363B5 #5683CF #86A6DD

Accessibility & contrast

On white

5.85

#3363B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.59

#3363B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363B5

5.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363B5	#FFFFFF	#000000	##FFFFFF
##3363B5	1.00	5.85	3.59	5.85
#FFFFFF	5.85	1.00	21.00	1.00
#000000	3.59	21.00	1.00	21.00
##FFFFFF	5.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6BB8

Deuteranopia (green-blind)

#205FB3

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3363b5;
/* rgb */ color: rgb(51, 99, 181);
/* oklch */ color: oklch(51.0% 0.140 260.4);

Tailwind

colors: {
  custom: {
    50: '#7b8ecc',
    500: '#3363b5',
    950: '#000000',
  },
}

SCSS

$custom: #3363b5;
$custom-light: #7b8ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#3363b5",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 181
  },
  "hsl": {
    "h": 217.846,
    "s": 56.034,
    "l": 45.49
  },
  "oklch": {
    "l": 0.50989,
    "c": 0.14017,
    "h": 260.4
  },
  "luminance": 0.12964
}

Semantic roles & 50–950 ramp

primary

#3363B5

secondary

#C6AB7D

accent

#A848DF

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C13

muted

#7C7D82

Preview Lab

Preview with #3363B5

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

Preview Lab → · Contrast checker → · Palette generator →