#4640D8#4640D8

#4640D8 is a mid, highly saturated blue. Relative luminance 0.099; OKLCH L 48.4% C 0.223 H 275.9°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#4640D8
RGB	rgb(70, 64, 216)
HSL	hsl(242, 66%, 55%)
HSV	hsv(242, 70%, 85%)
CMYK	cmyk(67.6%, 70.4%, 0%, 15.3%)
CIE-LAB	lab(37.71, 48.82, -76.65)
CIE-LCH	lch(37.71, 90.88, 302.50°)
OKLab	oklab(48.37% 0.0227 -0.2215)
OKLCH	oklch(48.37% 0.223 275.9)
XYZ	xyz(16.7498, 9.9252, 65.9855)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 2.97

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640D8 #D2D840

analogous

#4086D8 #4640D8 #9240D8

triadic

#4640D8 #D84640 #40D846

tetradic

#4640D8 #D84086 #D2D840 #40D892

square

#4640D8 #D84086 #D2D840 #40D892

split-complementary

#4640D8 #D89240 #86D840

monochromatic

#1F1B83 #2B25B6 #4640D8 #7773E2 #A8A6ED

Accessibility & contrast

On white

7.03

#4640D8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#4640D8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640D8

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640D8	#FFFFFF	#000000	##FFFFFF
##4640D8	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FDD

Deuteranopia (green-blind)

#0052D5

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4640d8;
/* rgb */ color: rgb(70, 64, 216);
/* oklch */ color: oklch(48.4% 0.223 275.9);

Tailwind

colors: {
  custom: {
    50: '#8c76e5',
    500: '#4640d8',
    950: '#000000',
  },
}

SCSS

$custom: #4640d8;
$custom-light: #8c76e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4640d8",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 216
  },
  "hsl": {
    "h": 242.368,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.48371,
    "c": 0.22262,
    "h": 275.9
  },
  "luminance": 0.09927
}

Semantic roles & 50–950 ramp

primary

#4640D8

secondary

#D7DA9A

accent

#E93FE2

background

#F9F7FE

surface

#F2EDFC

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4640D8

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

Preview Lab → · Contrast checker → · Palette generator →