#4639CF#4639CF

#4639CF is a mid, highly saturated blue. Relative luminance 0.087; OKLCH L 46.5% C 0.219 H 277.5°. Best body text is #FFFFFF at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#4639CF
RGB	rgb(70, 57, 207)
HSL	hsl(245, 61%, 52%)
HSV	hsv(245, 72%, 81%)
CMYK	cmyk(66.2%, 72.5%, 0%, 18.8%)
CIE-LAB	lab(35.46, 49.86, -75.15)
CIE-LCH	lch(35.46, 90.18, 303.56°)
OKLab	oklab(46.51% 0.0285 -0.217)
OKLCH	oklch(46.51% 0.219 277.5)
XYZ	xyz(15.2477, 8.7320, 59.9013)
Luminance	0.0873 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 1.88

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4639CF #C2CF39

analogous

#3977CF #4639CF #9139CF

triadic

#4639CF #CF4639 #39CF46

tetradic

#4639CF #CF3977 #C2CF39 #39CF91

square

#4639CF #CF3977 #C2CF39 #39CF91

split-complementary

#4639CF #CF9139 #77CF39

monochromatic

#231C72 #3228A3 #4639CF #746ADB #A29CE7

Accessibility & contrast

On white

7.65

#4639CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.75

#4639CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4639CF

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4639CF	#FFFFFF	#000000	##FFFFFF
##4639CF	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)

#005AD3

Deuteranopia (green-blind)

#004DCC

Tritanopia (blue-blind)

#006381

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4639cf;
/* rgb */ color: rgb(70, 57, 207);
/* oklch */ color: oklch(46.5% 0.219 277.5);

Tailwind

colors: {
  custom: {
    50: '#8b72df',
    500: '#4639cf',
    950: '#000000',
  },
}

SCSS

$custom: #4639cf;
$custom-light: #8b72df;
$custom-dark: #000000;

JSON

{
  "hex": "#4639cf",
  "rgb": {
    "r": 70,
    "g": 57,
    "b": 207
  },
  "hsl": {
    "h": 245.2,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.46514,
    "c": 0.21892,
    "h": 277.5
  },
  "luminance": 0.08733
}

Semantic roles & 50–950 ramp

primary

#4639CF

secondary

#CDD391

accent

#E444D6

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4639CF

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

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