#4D64BC#4D64BC

#4D64BC is a mid, vivid blue. Relative luminance 0.143; OKLCH L 53.0% C 0.140 H 270.0°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4D64BC
RGB	rgb(77, 100, 188)
HSL	hsl(228, 45%, 52%)
HSV	hsv(228, 59%, 74%)
CMYK	cmyk(59%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(44.69, 18.40, -49.10)
CIE-LCH	lch(44.69, 52.43, 290.55°)
OKLab	oklab(52.99% 0.0001 -0.1401)
OKLCH	oklch(52.99% 0.14 270)
XYZ	xyz(16.6918, 14.3216, 49.4519)
Luminance	0.1432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D64BC #BCA54D

analogous

#4D9BBC #4D64BC #6E4DBC

triadic

#4D64BC #BC4D64 #64BC4D

tetradic

#4D64BC #BC4D9B #BCA54D #4DBC6E

square

#4D64BC #BC4D9B #BCA54D #4DBC6E

split-complementary

#4D64BC #BC6E4D #9BBC4D

monochromatic

#273468 #384B94 #4D64BC #798BCD #A6B1DD

Accessibility & contrast

On white

5.43

#4D64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4D64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D64BC

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D64BC	#FFFFFF	#000000	##FFFFFF
##4D64BC	1.00	5.43	3.86	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.86	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6FBF

Deuteranopia (green-blind)

#2965BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4d64bc;
/* rgb */ color: rgb(77, 100, 188);
/* oklch */ color: oklch(53.0% 0.140 270.0);

Tailwind

colors: {
  custom: {
    50: '#888fd1',
    500: '#4d64bc',
    950: '#000000',
  },
}

SCSS

$custom: #4d64bc;
$custom-light: #888fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4d64bc",
  "rgb": {
    "r": 77,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 227.568,
    "s": 45.306,
    "l": 51.961
  },
  "oklch": {
    "l": 0.52994,
    "c": 0.14012,
    "h": 270
  },
  "luminance": 0.14323
}

Semantic roles & 50–950 ramp

primary

#4D64BC

secondary

#CBC19A

accent

#BA53D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4D64BC

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

Preview Lab → · Contrast checker → · Palette generator →