#4E63B5#4E63B5

#4E63B5 is a mid, vivid blue. Relative luminance 0.139; OKLCH L 52.4% C 0.131 H 270.5°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#4E63B5
RGB	rgb(78, 99, 181)
HSL	hsl(228, 41%, 51%)
HSV	hsv(228, 57%, 71%)
CMYK	cmyk(56.9%, 45.3%, 0%, 29%)
CIE-LAB	lab(44.06, 16.87, -46.03)
CIE-LCH	lch(44.06, 49.02, 290.13°)
OKLab	oklab(52.39% 0.0012 -0.1311)
OKLCH	oklch(52.39% 0.131 270.5)
XYZ	xyz(15.9415, 13.8784, 45.5458)
Luminance	0.1388 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63B5 #B5A04E

analogous

#4E96B5 #4E63B5 #6C4EB5

triadic

#4E63B5 #B54E63 #63B54E

tetradic

#4E63B5 #B54E96 #B5A04E #4EB56C

square

#4E63B5 #B54E96 #B5A04E #4EB56C

split-complementary

#4E63B5 #B56C4E #96B54E

monochromatic

#283460 #3A4B8B #4E63B5 #7989C7 #A4AFD9

Accessibility & contrast

On white

5.56

#4E63B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#4E63B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63B5

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63B5	#FFFFFF	#000000	##FFFFFF
##4E63B5	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6DB8

Deuteranopia (green-blind)

#3064B3

Tritanopia (blue-blind)

#0B7583

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4e63b5;
/* rgb */ color: rgb(78, 99, 181);
/* oklch */ color: oklch(52.4% 0.131 270.5);

Tailwind

colors: {
  custom: {
    50: '#888fcc',
    500: '#4e63b5',
    950: '#000000',
  },
}

SCSS

$custom: #4e63b5;
$custom-light: #888fcc;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63b5",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 181
  },
  "hsl": {
    "h": 227.767,
    "s": 41.036,
    "l": 50.784
  },
  "oklch": {
    "l": 0.52391,
    "c": 0.13111,
    "h": 270.5
  },
  "luminance": 0.1388
}

Semantic roles & 50–950 ramp

primary

#4E63B5

secondary

#C6BD99

accent

#B857D1

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E63B5

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

Preview Lab → · Contrast checker → · Palette generator →