#4963BB#4963BB

#4963BB is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.5% C 0.141 H 268.8°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#4963BB
RGB	rgb(73, 99, 187)
HSL	hsl(226, 46%, 51%)
HSV	hsv(226, 61%, 73%)
CMYK	cmyk(61%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(44.13, 17.92, -49.43)
CIE-LCH	lch(44.13, 52.58, 289.92°)
OKLab	oklab(52.48% -0.003 -0.1412)
OKLCH	oklch(52.48% 0.141 268.8)
XYZ	xyz(16.1761, 13.9267, 48.8397)
Luminance	0.1393 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4963BB #BBA149

analogous

#499CBB #4963BB #6849BB

triadic

#4963BB #BB4963 #63BB49

tetradic

#4963BB #BB499C #BBA149 #49BB68

square

#4963BB #BB499C #BBA149 #49BB68

split-complementary

#4963BB #BB6849 #9CBB49

monochromatic

#253464 #364B91 #4963BB #7689CC #A2AFDC

Accessibility & contrast

On white

5.55

#4963BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#4963BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4963BB

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4963BB	#FFFFFF	#000000	##FFFFFF
##4963BB	1.00	5.55	3.79	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBE

Deuteranopia (green-blind)

#2564B9

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4963bb;
/* rgb */ color: rgb(73, 99, 187);
/* oklch */ color: oklch(52.5% 0.141 268.8);

Tailwind

colors: {
  custom: {
    50: '#868fd0',
    500: '#4963bb',
    950: '#000000',
  },
}

SCSS

$custom: #4963bb;
$custom-light: #868fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4963bb",
  "rgb": {
    "r": 73,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 226.316,
    "s": 45.6,
    "l": 50.98
  },
  "oklch": {
    "l": 0.52484,
    "c": 0.14123,
    "h": 268.8
  },
  "luminance": 0.13928
}

Semantic roles & 50–950 ramp

primary

#4963BB

secondary

#C9BE97

accent

#B753D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4963BB

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

Preview Lab → · Contrast checker → · Palette generator →