#4640CF#4640CF

#4640CF is a mid, highly saturated blue. Relative luminance 0.095; OKLCH L 47.5% C 0.212 H 276.5°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#4640CF
RGB	rgb(70, 64, 207)
HSL	hsl(243, 60%, 53%)
HSV	hsv(243, 69%, 81%)
CMYK	cmyk(66.2%, 69.1%, 0%, 18.8%)
CIE-LAB	lab(36.88, 45.94, -72.82)
CIE-LCH	lch(36.88, 86.10, 302.24°)
OKLab	oklab(47.53% 0.0241 -0.2103)
OKLCH	oklch(47.53% 0.212 276.5)
XYZ	xyz(15.6180, 9.4725, 60.0247)
Luminance	0.0947 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4640CF #C9CF40

analogous

#4082CF #4640CF #8D40CF

triadic

#4640CF #CF4640 #40CF46

tetradic

#4640CF #CF4082 #C9CF40 #40CF8D

square

#4640CF #CF4082 #C9CF40 #40CF8D

split-complementary

#4640CF #CF8D40 #82CF40

monochromatic

#221E77 #2F2AA8 #4640CF #7571DB #A5A2E8

Accessibility & contrast

On white

7.25

#4640CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#4640CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4640CF

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4640CF	#FFFFFF	#000000	##FFFFFF
##4640CF	1.00	7.25	2.89	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005DD3

Deuteranopia (green-blind)

#0050CC

Tritanopia (blue-blind)

#006783

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #4640cf;
/* rgb */ color: rgb(70, 64, 207);
/* oklch */ color: oklch(47.5% 0.212 276.5);

Tailwind

colors: {
  custom: {
    50: '#8a76df',
    500: '#4640cf',
    950: '#000000',
  },
}

SCSS

$custom: #4640cf;
$custom-light: #8a76df;
$custom-dark: #000000;

JSON

{
  "hex": "#4640cf",
  "rgb": {
    "r": 70,
    "g": 64,
    "b": 207
  },
  "hsl": {
    "h": 242.517,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.47525,
    "c": 0.21164,
    "h": 276.5
  },
  "luminance": 0.09474
}

Semantic roles & 50–950 ramp

primary

#4640CF

secondary

#D2D497

accent

#E345DC

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4640CF

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

Preview Lab → · Contrast checker → · Palette generator →