#4D64BB#4D64BB

#4D64BB is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.9% C 0.139 H 270.0°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4D64BB
RGB	rgb(77, 100, 187)
HSL	hsl(227, 45%, 52%)
HSV	hsv(227, 59%, 73%)
CMYK	cmyk(58.8%, 46.5%, 0%, 26.7%)
CIE-LAB	lab(44.63, 18.06, -48.61)
CIE-LCH	lch(44.63, 51.86, 290.38°)
OKLab	oklab(52.93% 0 -0.1387)
OKLCH	oklch(52.93% 0.139 270)
XYZ	xyz(16.5844, 14.2787, 48.8862)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D64BB #BBA44D

analogous

#4D9BBB #4D64BB #6D4DBB

triadic

#4D64BB #BB4D64 #64BB4D

tetradic

#4D64BB #BB4D9B #BBA44D #4DBB6D

square

#4D64BB #BB4D9B #BBA44D #4DBB6D

split-complementary

#4D64BB #BB6D4D #9BBB4D

monochromatic

#273466 #384B93 #4D64BB #798BCC #A6B1DD

Accessibility & contrast

On white

5.45

#4D64BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4D64BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D64BB

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D64BB	#FFFFFF	#000000	##FFFFFF
##4D64BB	1.00	5.45	3.86	5.45
#FFFFFF	5.45	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B6FBE

Deuteranopia (green-blind)

#2B65B9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4d64bb;
/* rgb */ color: rgb(77, 100, 187);
/* oklch */ color: oklch(52.9% 0.139 270.0);

Tailwind

colors: {
  custom: {
    50: '#888fd0',
    500: '#4d64bb',
    950: '#000000',
  },
}

SCSS

$custom: #4d64bb;
$custom-light: #888fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#4d64bb",
  "rgb": {
    "r": 77,
    "g": 100,
    "b": 187
  },
  "hsl": {
    "h": 227.455,
    "s": 44.715,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52928,
    "c": 0.1387,
    "h": 270
  },
  "luminance": 0.1428
}

Semantic roles & 50–950 ramp

primary

#4D64BB

secondary

#CAC09A

accent

#B953D4

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4D64BB

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

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