#4E63BB#4E63BB

#4E63BB is a mid, vivid blue. Relative luminance 0.141; OKLCH L 52.8% C 0.140 H 270.9°. Best body text is #FFFFFF at 5.49:1 contrast (WCAG AA passes).

Color values

HEX	#4E63BB
RGB	rgb(78, 99, 187)
HSL	hsl(228, 44%, 52%)
HSV	hsv(228, 58%, 73%)
CMYK	cmyk(58.3%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(44.42, 18.89, -48.95)
CIE-LCH	lch(44.42, 52.47, 291.11°)
OKLab	oklab(52.78% 0.0021 -0.1397)
OKLCH	oklch(52.78% 0.14 270.9)
XYZ	xyz(16.5704, 14.1300, 48.8582)
Luminance	0.1413 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E63BB #BBA64E

analogous

#4E9ABB #4E63BB #6F4EBB

triadic

#4E63BB #BB4E63 #63BB4E

tetradic

#4E63BB #BB4E9A #BBA64E #4EBB6F

square

#4E63BB #BB4E9A #BBA64E #4EBB6F

split-complementary

#4E63BB #BB6F4E #9ABB4E

monochromatic

#283467 #394A93 #4E63BB #7A8ACC #A6B1DD

Accessibility & contrast

On white

5.49

#4E63BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#4E63BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E63BB

5.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E63BB	#FFFFFF	#000000	##FFFFFF
##4E63BB	1.00	5.49	3.83	5.49
#FFFFFF	5.49	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396EBE

Deuteranopia (green-blind)

#2965B9

Tritanopia (blue-blind)

#007786

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #4e63bb;
/* rgb */ color: rgb(78, 99, 187);
/* oklch */ color: oklch(52.8% 0.140 270.9);

Tailwind

colors: {
  custom: {
    50: '#888fd0',
    500: '#4e63bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e63bb;
$custom-light: #888fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e63bb",
  "rgb": {
    "r": 78,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 228.44,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52783,
    "c": 0.13969,
    "h": 270.9
  },
  "luminance": 0.14131
}

Semantic roles & 50–950 ramp

primary

#4E63BB

secondary

#CAC19B

accent

#BB54D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4E63BB

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

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