#4E63BC#4E63BC

#4E63BC is a mid, vivid blue. Relative luminance 0.142; OKLCH L 52.8% C 0.141 H 270.9°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4E63BC
RGB	rgb(78, 99, 188)
HSL	hsl(229, 45%, 52%)
HSV	hsv(229, 59%, 74%)
CMYK	cmyk(58.5%, 47.3%, 0%, 26.3%)
CIE-LAB	lab(44.48, 19.23, -49.43)
CIE-LCH	lch(44.48, 53.04, 291.26°)
OKLab	oklab(52.85% 0.0022 -0.1411)
OKLCH	oklch(52.85% 0.141 270.9)
XYZ	xyz(16.6778, 14.1729, 49.4240)
Luminance	0.1417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63BC #BCA74E

analogous

#4E9ABC #4E63BC #704EBC

triadic

#4E63BC #BC4E63 #63BC4E

tetradic

#4E63BC #BC4E9A #BCA74E #4EBC70

square

#4E63BC #BC4E9A #BCA74E #4EBC70

split-complementary

#4E63BC #BC704E #9ABC4E

monochromatic

#273468 #384A95 #4E63BC #7A8ACD #A7B1DE

Accessibility & contrast

On white

5.48

#4E63BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#4E63BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63BC

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63BC	#FFFFFF	#000000	##FFFFFF
##4E63BC	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386EBF

Deuteranopia (green-blind)

#2765BA

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4e63bc;
/* rgb */ color: rgb(78, 99, 188);
/* oklch */ color: oklch(52.8% 0.141 270.9);

Tailwind

colors: {
  custom: {
    50: '#898fd1',
    500: '#4e63bc',
    950: '#000000',
  },
}

SCSS

$custom: #4e63bc;
$custom-light: #898fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63bc",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 188
  },
  "hsl": {
    "h": 228.545,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.52849,
    "c": 0.14111,
    "h": 270.9
  },
  "luminance": 0.14174
}

Semantic roles & 50–950 ramp

primary

#4E63BC

secondary

#CBC29B

accent

#BC53D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4E63BC

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

Preview Lab → · Contrast checker → · Palette generator →