#4E53BB#4E53BB

#4E53BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.6% C 0.161 H 276.7°. Best body text is #FFFFFF at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#4E53BB
RGB	rgb(78, 83, 187)
HSL	hsl(237, 44%, 52%)
HSV	hsv(237, 58%, 73%)
CMYK	cmyk(58.3%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(40.23, 29.02, -55.68)
CIE-LCH	lch(40.23, 62.79, 297.53°)
OKLab	oklab(49.63% 0.0189 -0.1596)
OKLCH	oklch(49.63% 0.161 276.7)
XYZ	xyz(15.2019, 11.3930, 48.4021)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4E53BB #BBB64E

analogous

#4E8ABB #4E53BB #804EBB

triadic

#4E53BB #BB4E53 #53BB4E

tetradic

#4E53BB #BB4E8A #BBB64E #4EBB80

square

#4E53BB #BB4E8A #BBB64E #4EBB80

split-complementary

#4E53BB #BB804E #8ABB4E

monochromatic

#282A67 #393D93 #4E53BB #7A7ECC #A6A9DD

Accessibility & contrast

On white

6.40

#4E53BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#4E53BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4E53BB

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4E53BB	#FFFFFF	#000000	##FFFFFF
##4E53BB	1.00	6.40	3.28	6.40
#FFFFFF	6.40	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0363BF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#016B7F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4e53bb;
/* rgb */ color: rgb(78, 83, 187);
/* oklch */ color: oklch(49.6% 0.161 276.7);

Tailwind

colors: {
  custom: {
    50: '#8983d0',
    500: '#4e53bb',
    950: '#000000',
  },
}

SCSS

$custom: #4e53bb;
$custom-light: #8983d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4e53bb",
  "rgb": {
    "r": 78,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 237.248,
    "s": 44.49,
    "l": 51.961
  },
  "oklch": {
    "l": 0.49628,
    "c": 0.16076,
    "h": 276.7
  },
  "luminance": 0.11394
}

Semantic roles & 50–950 ramp

primary

#4E53BB

secondary

#CAC89B

accent

#CE54D4

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0D0A14

muted

#7D7C82

Preview Lab

Preview with #4E53BB

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

Preview Lab → · Contrast checker → · Palette generator →