#3063BB#3063BB

#3063BB is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.3% C 0.149 H 260.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3063BB
RGB	rgb(48, 99, 187)
HSL	hsl(218, 59%, 46%)
HSV	hsv(218, 74%, 73%)
CMYK	cmyk(74.3%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(42.97, 13.88, -51.35)
CIE-LCH	lch(42.97, 53.19, 285.13°)
OKLab	oklab(51.28% -0.0246 -0.1473)
OKLCH	oklch(51.28% 0.149 260.5)
XYZ	xyz(14.6472, 13.1383, 48.7681)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3063BB #BB8830

analogous

#30A8BB #3063BB #4330BB

triadic

#3063BB #BB3063 #63BB30

tetradic

#3063BB #BB30A8 #BB8830 #30BB43

square

#3063BB #BB30A8 #BB8830 #30BB43

split-complementary

#3063BB #BB4330 #A8BB30

monochromatic

#172F5A #23498A #3063BB #5583D3 #86A7E0

Accessibility & contrast

On white

5.79

#3063BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3063BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3063BB

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3063BB	#FFFFFF	#000000	##FFFFFF
##3063BB	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)

#346CBE

Deuteranopia (green-blind)

#0F60B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3063bb;
/* rgb */ color: rgb(48, 99, 187);
/* oklch */ color: oklch(51.3% 0.149 260.5);

Tailwind

colors: {
  custom: {
    50: '#7b8ed0',
    500: '#3063bb',
    950: '#000000',
  },
}

SCSS

$custom: #3063bb;
$custom-light: #7b8ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#3063bb",
  "rgb": {
    "r": 48,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 217.986,
    "s": 59.149,
    "l": 46.078
  },
  "oklch": {
    "l": 0.51283,
    "c": 0.14935,
    "h": 260.5
  },
  "luminance": 0.1314
}

Semantic roles & 50–950 ramp

primary

#3063BB

secondary

#C9AD7D

accent

#A945E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #3063BB

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

Preview Lab → · Contrast checker → · Palette generator →