#3363BC#3363BC

#3363BC is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.5% C 0.150 H 261.4°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#3363BC
RGB	rgb(51, 99, 188)
HSL	hsl(219, 57%, 47%)
HSV	hsv(219, 73%, 74%)
CMYK	cmyk(72.9%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(43.15, 14.66, -51.64)
CIE-LCH	lch(43.15, 53.68, 285.85°)
OKLab	oklab(51.47% -0.0223 -0.1481)
OKLCH	oklch(51.47% 0.15 261.4)
XYZ	xyz(14.9009, 13.2567, 49.3407)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3363BC #BC8C33

analogous

#33A8BC #3363BC #4833BC

triadic

#3363BC #BC3363 #63BC33

tetradic

#3363BC #BC33A8 #BC8C33 #33BC48

square

#3363BC #BC33A8 #BC8C33 #33BC48

split-complementary

#3363BC #BC4833 #A8BC33

monochromatic

#19305C #264A8C #3363BC #5A84D2 #8AA8DF

Accessibility & contrast

On white

5.75

#3363BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#3363BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3363BC

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3363BC	#FFFFFF	#000000	##FFFFFF
##3363BC	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DBF

Deuteranopia (green-blind)

#0F60BA

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #3363bc;
/* rgb */ color: rgb(51, 99, 188);
/* oklch */ color: oklch(51.5% 0.150 261.4);

Tailwind

colors: {
  custom: {
    50: '#7c8ed1',
    500: '#3363bc',
    950: '#000000',
  },
}

SCSS

$custom: #3363bc;
$custom-light: #7c8ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#3363bc",
  "rgb": {
    "r": 51,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 218.978,
    "s": 57.322,
    "l": 46.863
  },
  "oklch": {
    "l": 0.5147,
    "c": 0.14978,
    "h": 261.4
  },
  "luminance": 0.13258
}

Semantic roles & 50–950 ramp

primary

#3363BC

secondary

#C9B081

accent

#AB47E1

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3363BC

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

Preview Lab → · Contrast checker → · Palette generator →