#4640D9#4640D9

#4640D9 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.5% C 0.224 H 275.8°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#4640D9
RGB	rgb(70, 64, 217)
HSL	hsl(242, 67%, 55%)
HSV	hsv(242, 71%, 85%)
CMYK	cmyk(67.7%, 70.5%, 0%, 14.9%)
CIE-LAB	lab(37.80, 49.14, -77.07)
CIE-LCH	lch(37.80, 91.41, 302.52°)
OKLab	oklab(48.47% 0.0225 -0.2227)
OKLCH	oklch(48.47% 0.224 275.8)
XYZ	xyz(16.8795, 9.9771, 66.6684)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 3.02

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640D9 #D3D940

analogous

#4086D9 #4640D9 #9340D9

triadic

#4640D9 #D94640 #40D946

tetradic

#4640D9 #D94086 #D3D940 #40D993

square

#4640D9 #D94086 #D3D940 #40D993

split-complementary

#4640D9 #D99340 #86D940

monochromatic

#1E1A84 #2A24B7 #4640D9 #7773E3 #A9A6ED

Accessibility & contrast

On white

7.01

#4640D9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#4640D9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4640D9

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640D9	#FFFFFF	#000000	##FFFFFF
##4640D9	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060DE

Deuteranopia (green-blind)

#0052D6

Tritanopia (blue-blind)

#006A88

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #4640d9;
/* rgb */ color: rgb(70, 64, 217);
/* oklch */ color: oklch(48.5% 0.224 275.8);

Tailwind

colors: {
  custom: {
    50: '#8c76e6',
    500: '#4640d9',
    950: '#000000',
  },
}

SCSS

$custom: #4640d9;
$custom-light: #8c76e6;
$custom-dark: #000000;

JSON

{
  "hex": "#4640d9",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 217
  },
  "hsl": {
    "h": 242.353,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.48466,
    "c": 0.22383,
    "h": 275.8
  },
  "luminance": 0.09979
}

Semantic roles & 50–950 ramp

primary

#4640D9

secondary

#D8DA9A

accent

#EA3EE3

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4640D9

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

Preview Lab → · Contrast checker → · Palette generator →