#4539CC#4539CC

#4539CC is a mid, highly saturated blue. Relative luminance 0.086; OKLCH L 46.2% C 0.216 H 277.4°. Best body text is #FFFFFF at 7.75:1 contrast (WCAG AA passes).

Color values

HEX	#4539CC
RGB	rgb(69, 57, 204)
HSL	hsl(245, 59%, 51%)
HSV	hsv(245, 72%, 80%)
CMYK	cmyk(66.2%, 72.1%, 0%, 20%)
CIE-LAB	lab(35.10, 48.80, -74.00)
CIE-LCH	lch(35.10, 88.65, 303.40°)
OKLab	oklab(46.15% 0.0278 -0.2137)
OKLCH	oklch(46.15% 0.216 277.4)
XYZ	xyz(14.8129, 8.5498, 57.9847)
Luminance	0.0855 (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

#4539CC #C0CC39

analogous

#3976CC #4539CC #8E39CC

triadic

#4539CC #CC4539 #39CC45

tetradic

#4539CC #CC3976 #C0CC39 #39CC8E

square

#4539CC #CC3976 #C0CC39 #39CC8E

split-complementary

#4539CC #CC8E39 #76CC39

monochromatic

#231C6E #33299F #4539CC #736AD9 #A09AE5

Accessibility & contrast

On white

7.75

#4539CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#4539CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539CC

7.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539CC	#FFFFFF	#000000	##FFFFFF
##4539CC	1.00	7.75	2.71	7.75
#FFFFFF	7.75	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059D0

Deuteranopia (green-blind)

#004CC9

Tritanopia (blue-blind)

#00627F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #4539cc;
/* rgb */ color: rgb(69, 57, 204);
/* oklch */ color: oklch(46.2% 0.216 277.4);

Tailwind

colors: {
  custom: {
    50: '#8a71dd',
    500: '#4539cc',
    950: '#000000',
  },
}

SCSS

$custom: #4539cc;
$custom-light: #8a71dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4539cc",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 204
  },
  "hsl": {
    "h": 244.898,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.46152,
    "c": 0.21554,
    "h": 277.4
  },
  "luminance": 0.08551
}

Semantic roles & 50–950 ramp

primary

#4539CC

secondary

#CCD190

accent

#E246D5

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4539CC

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

Preview Lab → · Contrast checker → · Palette generator →