#4D53BB#4D53BB

#4D53BB is a mid, vivid blue. Relative luminance 0.114; OKLCH L 49.6% C 0.161 H 276.3°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#4D53BB
RGB	rgb(77, 83, 187)
HSL	hsl(237, 45%, 52%)
HSV	hsv(237, 59%, 73%)
CMYK	cmyk(58.8%, 55.6%, 0%, 26.7%)
CIE-LAB	lab(40.17, 28.83, -55.80)
CIE-LCH	lch(40.17, 62.81, 297.33°)
OKLab	oklab(49.56% 0.0177 -0.16)
OKLCH	oklch(49.56% 0.161 276.3)
XYZ	xyz(15.1206, 11.3510, 48.3982)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D53BB #BBB54D

analogous

#4D8ABB #4D53BB #7E4DBB

triadic

#4D53BB #BB4D53 #53BB4D

tetradic

#4D53BB #BB4D8A #BBB54D #4DBB7E

square

#4D53BB #BB4D8A #BBB54D #4DBB7E

split-complementary

#4D53BB #BB7E4D #8ABB4D

monochromatic

#272B66 #383D93 #4D53BB #797ECC #A6A9DD

Accessibility & contrast

On white

6.42

#4D53BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#4D53BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D53BB

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D53BB	#FFFFFF	#000000	##FFFFFF
##4D53BB	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0263BF

Deuteranopia (green-blind)

#005AB9

Tritanopia (blue-blind)

#006B7F

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #4d53bb;
/* rgb */ color: rgb(77, 83, 187);
/* oklch */ color: oklch(49.6% 0.161 276.3);

Tailwind

colors: {
  custom: {
    50: '#8983d0',
    500: '#4d53bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d53bb;
$custom-light: #8983d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d53bb",
  "rgb": {
    "r": 77,
    "g": 83,
    "b": 187
  },
  "hsl": {
    "h": 236.727,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.49559,
    "c": 0.161,
    "h": 276.3
  },
  "luminance": 0.11352
}

Semantic roles & 50–950 ramp

primary

#4D53BB

secondary

#CAC79A

accent

#CD53D4

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #4D53BB

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

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