#4640DB#4640DB

#4640DB is a mid, highly saturated blue. Relative luminance 0.101; OKLCH L 48.7% C 0.226 H 275.6°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#4640DB
RGB	rgb(70, 64, 219)
HSL	hsl(242, 68%, 55%)
HSV	hsv(242, 71%, 86%)
CMYK	cmyk(68%, 70.8%, 0%, 14.1%)
CIE-LAB	lab(37.99, 49.78, -77.91)
CIE-LCH	lch(37.99, 92.45, 302.58°)
OKLab	oklab(48.66% 0.0222 -0.2251)
OKLCH	oklch(48.66% 0.226 275.6)
XYZ	xyz(17.1412, 10.0818, 68.0467)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.15

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640DB #D5DB40

analogous

#4087DB #4640DB #9440DB

triadic

#4640DB #DB4640 #40DB46

tetradic

#4640DB #DB4087 #D5DB40 #40DB94

square

#4640DB #DB4087 #D5DB40 #40DB94

split-complementary

#4640DB #DB9440 #87DB40

monochromatic

#1E1987 #2923BB #4640DB #7873E5 #AAA7EE

Accessibility & contrast

On white

6.96

#4640DB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#4640DB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4640DB

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640DB	#FFFFFF	#000000	##FFFFFF
##4640DB	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060E0

Deuteranopia (green-blind)

#0052D8

Tritanopia (blue-blind)

#006B89

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4640db;
/* rgb */ color: rgb(70, 64, 219);
/* oklch */ color: oklch(48.7% 0.226 275.6);

Tailwind

colors: {
  custom: {
    50: '#8d76e7',
    500: '#4640db',
    950: '#000000',
  },
}

SCSS

$custom: #4640db;
$custom-light: #8d76e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4640db",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 219
  },
  "hsl": {
    "h": 242.323,
    "s": 68.282,
    "l": 55.49
  },
  "oklch": {
    "l": 0.48657,
    "c": 0.22623,
    "h": 275.6
  },
  "luminance": 0.10083
}

Semantic roles & 50–950 ramp

primary

#4640DB

secondary

#D9DC9B

accent

#EB3DE4

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4640DB

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

Preview Lab → · Contrast checker → · Palette generator →