#4640BF#4640BF

#4640BF is a mid, vivid blue. Relative luminance 0.087; OKLCH L 46.1% C 0.192 H 277.9°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#4640BF
RGB	rgb(70, 64, 191)
HSL	hsl(243, 50%, 50%)
HSV	hsv(243, 66%, 75%)
CMYK	cmyk(63.4%, 66.5%, 0%, 25.1%)
CIE-LAB	lab(35.46, 40.74, -65.83)
CIE-LCH	lch(35.46, 77.41, 301.75°)
OKLab	oklab(46.07% 0.0262 -0.1898)
OKLCH	oklch(46.07% 0.192 277.9)
XYZ	xyz(13.7601, 8.7294, 50.2399)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Ocean Blue

#4F42B5

ΔE00 1.91

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640BF #B9BF40

analogous

#4079BF #4640BF #8640BF

triadic

#4640BF #BF4640 #40BF46

tetradic

#4640BF #BF4079 #B9BF40 #40BF86

square

#4640BF #BF4079 #B9BF40 #40BF86

split-complementary

#4640BF #BF8640 #79BF40

monochromatic

#242163 #353191 #4640BF #726ECE #9F9CDE

Accessibility & contrast

On white

7.65

#4640BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4640BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640BF

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640BF	#FFFFFF	#000000	##FFFFFF
##4640BF	1.00	7.65	2.75	7.65
#FFFFFF	7.65	1.00	21.00	1.00
#000000	2.75	21.00	1.00	21.00
##FFFFFF	7.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C3

Deuteranopia (green-blind)

#004EBD

Tritanopia (blue-blind)

#00617A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4640bf;
/* rgb */ color: rgb(70, 64, 191);
/* oklch */ color: oklch(46.1% 0.192 277.9);

Tailwind

colors: {
  custom: {
    50: '#8776d3',
    500: '#4640bf',
    950: '#000000',
  },
}

SCSS

$custom: #4640bf;
$custom-light: #8776d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4640bf",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 191
  },
  "hsl": {
    "h": 242.835,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.46066,
    "c": 0.19159,
    "h": 277.9
  },
  "luminance": 0.0873
}

Semantic roles & 50–950 ramp

primary

#4640BF

secondary

#C7CA91

accent

#D94ED3

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0D0814

muted

#7D7B83

Preview Lab

Preview with #4640BF

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

Preview Lab → · Contrast checker → · Palette generator →