#4E63BA#4E63BA

#4E63BA is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.7% C 0.138 H 270.8°. Best body text is #FFFFFF at 5.50:1 contrast (WCAG AA passes).

Color values

HEX	#4E63BA
RGB	rgb(78, 99, 186)
HSL	hsl(228, 44%, 52%)
HSV	hsv(228, 58%, 73%)
CMYK	cmyk(58.1%, 46.8%, 0%, 27.1%)
CIE-LAB	lab(44.36, 18.56, -48.46)
CIE-LCH	lch(44.36, 51.89, 290.95°)
OKLab	oklab(52.72% 0.002 -0.1383)
OKLCH	oklch(52.72% 0.138 270.8)
XYZ	xyz(16.4637, 14.0873, 48.2964)
Luminance	0.1409 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63BA #BAA54E

analogous

#4E99BA #4E63BA #6F4EBA

triadic

#4E63BA #BA4E63 #63BA4E

tetradic

#4E63BA #BA4E99 #BAA54E #4EBA6F

square

#4E63BA #BA4E99 #BAA54E #4EBA6F

split-complementary

#4E63BA #BA6F4E #99BA4E

monochromatic

#283466 #394A92 #4E63BA #7A8ACB #A6B1DC

Accessibility & contrast

On white

5.50

#4E63BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.82

#4E63BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63BA

5.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63BA	#FFFFFF	#000000	##FFFFFF
##4E63BA	1.00	5.50	3.82	5.50
#FFFFFF	5.50	1.00	21.00	1.00
#000000	3.82	21.00	1.00	21.00
##FFFFFF	5.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBD

Deuteranopia (green-blind)

#2A64B8

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4e63ba;
/* rgb */ color: rgb(78, 99, 186);
/* oklch */ color: oklch(52.7% 0.138 270.8);

Tailwind

colors: {
  custom: {
    50: '#888fcf',
    500: '#4e63ba',
    950: '#000000',
  },
}

SCSS

$custom: #4e63ba;
$custom-light: #888fcf;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63ba",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 186
  },
  "hsl": {
    "h": 228.333,
    "s": 43.902,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52717,
    "c": 0.13826,
    "h": 270.8
  },
  "luminance": 0.14089
}

Semantic roles & 50–950 ramp

primary

#4E63BA

secondary

#CAC09A

accent

#BB54D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4E63BA

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

Preview Lab → · Contrast checker → · Palette generator →