#4E63B2#4E63B2

#4E63B2 is a mid, vivid blue. Relative luminance 0.138; OKLCH L 52.2% C 0.127 H 270.3°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#4E63B2
RGB	rgb(78, 99, 178)
HSL	hsl(227, 39%, 50%)
HSV	hsv(227, 56%, 70%)
CMYK	cmyk(56.2%, 44.4%, 0%, 30.2%)
CIE-LAB	lab(43.88, 15.86, -44.55)
CIE-LCH	lch(43.88, 47.29, 289.60°)
OKLab	oklab(52.2% 0.0007 -0.1268)
OKLCH	oklch(52.2% 0.127 270.3)
XYZ	xyz(15.6370, 13.7566, 43.9421)
Luminance	0.1376 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63B2 #B29D4E

analogous

#4E95B2 #4E63B2 #6B4EB2

triadic

#4E63B2 #B24E63 #63B24E

tetradic

#4E63B2 #B24E95 #B29D4E #4EB26B

square

#4E63B2 #B24E95 #B29D4E #4EB26B

split-complementary

#4E63B2 #B26B4E #95B24E

monochromatic

#29345D #3B4B88 #4E63B2 #7989C5 #A3AED7

Accessibility & contrast

On white

5.60

#4E63B2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#4E63B2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63B2

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63B2	#FFFFFF	#000000	##FFFFFF
##4E63B2	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#406CB5

Deuteranopia (green-blind)

#3464B0

Tritanopia (blue-blind)

#137482

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4e63b2;
/* rgb */ color: rgb(78, 99, 178);
/* oklch */ color: oklch(52.2% 0.127 270.3);

Tailwind

colors: {
  custom: {
    50: '#878fc9',
    500: '#4e63b2',
    950: '#000000',
  },
}

SCSS

$custom: #4e63b2;
$custom-light: #878fc9;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63b2",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 178
  },
  "hsl": {
    "h": 227.4,
    "s": 39.37,
    "l": 50.196
  },
  "oklch": {
    "l": 0.52199,
    "c": 0.12677,
    "h": 270.3
  },
  "luminance": 0.13758
}

Semantic roles & 50–950 ramp

primary

#4E63B2

secondary

#C4BB98

accent

#B659CF

background

#F8F8FC

surface

#F0F0F8

border

#CBCBD1

text

#0C0C13

muted

#7D7D82

Preview Lab

Preview with #4E63B2

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

Preview Lab → · Contrast checker → · Palette generator →