#4C64BC#4C64BC

#4C64BC is a mid, vivid blue. Relative luminance 0.143; OKLCH L 52.9% C 0.140 H 269.6°. Best body text is #FFFFFF at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#4C64BC
RGB	rgb(76, 100, 188)
HSL	hsl(227, 46%, 52%)
HSV	hsv(227, 60%, 74%)
CMYK	cmyk(59.6%, 46.8%, 0%, 26.3%)
CIE-LAB	lab(44.63, 18.21, -49.19)
CIE-LCH	lch(44.63, 52.45, 290.31°)
OKLab	oklab(52.93% -0.0009 -0.1404)
OKLCH	oklch(52.93% 0.14 269.6)
XYZ	xyz(16.6117, 14.2803, 49.4482)
Luminance	0.1428 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C64BC #BCA44C

analogous

#4C9CBC #4C64BC #6C4CBC

triadic

#4C64BC #BC4C64 #64BC4C

tetradic

#4C64BC #BC4C9C #BCA44C #4CBC6C

square

#4C64BC #BC4C9C #BCA44C #4CBC6C

split-complementary

#4C64BC #BC6C4C #9CBC4C

monochromatic

#273467 #374B94 #4C64BC #798BCD #A5B1DD

Accessibility & contrast

On white

5.45

#4C64BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.86

#4C64BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C64BC

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C64BC	#FFFFFF	#000000	##FFFFFF
##4C64BC	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)

#3A6FBF

Deuteranopia (green-blind)

#2865BA

Tritanopia (blue-blind)

#007887

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #4c64bc;
/* rgb */ color: rgb(76, 100, 188);
/* oklch */ color: oklch(52.9% 0.140 269.6);

Tailwind

colors: {
  custom: {
    50: '#888fd1',
    500: '#4c64bc',
    950: '#000000',
  },
}

SCSS

$custom: #4c64bc;
$custom-light: #888fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c64bc",
  "rgb": {
    "r": 76,
    "g": 100,
    "b": 188
  },
  "hsl": {
    "h": 227.143,
    "s": 45.528,
    "l": 51.765
  },
  "oklch": {
    "l": 0.52934,
    "c": 0.14043,
    "h": 269.6
  },
  "luminance": 0.14282
}

Semantic roles & 50–950 ramp

primary

#4C64BC

secondary

#CAC099

accent

#B953D5

background

#F8F8FC

surface

#F0F0F9

border

#CBCBD2

text

#0C0C14

muted

#7D7D82

Preview Lab

Preview with #4C64BC

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

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