#4E63B4#4E63B4

#4E63B4 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.3% C 0.130 H 270.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#4E63B4
RGB	rgb(78, 99, 180)
HSL	hsl(228, 40%, 51%)
HSV	hsv(228, 57%, 71%)
CMYK	cmyk(56.7%, 45%, 0%, 29.4%)
CIE-LAB	lab(44.00, 16.53, -45.54)
CIE-LCH	lch(44.00, 48.45, 289.95°)
OKLab	oklab(52.33% 0.001 -0.1297)
OKLCH	oklch(52.33% 0.13 270.5)
XYZ	xyz(15.8392, 13.8375, 45.0074)
Luminance	0.1384 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63B4 #B49F4E

analogous

#4E96B4 #4E63B4 #6C4EB4

triadic

#4E63B4 #B44E63 #63B44E

tetradic

#4E63B4 #B44E96 #B49F4E #4EB46C

square

#4E63B4 #B44E96 #B49F4E #4EB46C

split-complementary

#4E63B4 #B46C4E #96B44E

monochromatic

#28345F #3B4B8A #4E63B4 #7989C6 #A4AFD8

Accessibility & contrast

On white

5.57

#4E63B4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#4E63B4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63B4

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63B4	#FFFFFF	#000000	##FFFFFF
##4E63B4	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F6DB7

Deuteranopia (green-blind)

#3264B2

Tritanopia (blue-blind)

#0E7583

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4e63b4;
/* rgb */ color: rgb(78, 99, 180);
/* oklch */ color: oklch(52.3% 0.130 270.5);

Tailwind

colors: {
  custom: {
    50: '#878fcb',
    500: '#4e63b4',
    950: '#000000',
  },
}

SCSS

$custom: #4e63b4;
$custom-light: #878fcb;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63b4",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 180
  },
  "hsl": {
    "h": 227.647,
    "s": 40.476,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52327,
    "c": 0.12966,
    "h": 270.5
  },
  "luminance": 0.13839
}

Semantic roles & 50–950 ramp

primary

#4E63B4

secondary

#C6BC98

accent

#B757D0

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E63B4

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

Preview Lab → · Contrast checker → · Palette generator →