#4539CB#4539CB

#4539CB is a mid, highly saturated blue. Relative luminance 0.085; OKLCH L 46.1% C 0.214 H 277.5°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#4539CB
RGB	rgb(69, 57, 203)
HSL	hsl(245, 58%, 51%)
HSV	hsv(245, 72%, 80%)
CMYK	cmyk(66%, 71.9%, 0%, 20.4%)
CIE-LAB	lab(35.01, 48.49, -73.58)
CIE-LCH	lch(35.01, 88.12, 303.38°)
OKLab	oklab(46.06% 0.028 -0.2125)
OKLCH	oklch(46.06% 0.214 277.5)
XYZ	xyz(14.6934, 8.5020, 57.3551)
Luminance	0.0850 (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

#4539CB #BFCB39

analogous

#3976CB #4539CB #8E39CB

triadic

#4539CB #CB4539 #39CB45

tetradic

#4539CB #CB3976 #BFCB39 #39CB8E

square

#4539CB #CB3976 #BFCB39 #39CB8E

split-complementary

#4539CB #CB8E39 #76CB39

monochromatic

#231D6D #33299D #4539CB #7369D8 #A09AE4

Accessibility & contrast

On white

7.78

#4539CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#4539CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4539CB

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4539CB	#FFFFFF	#000000	##FFFFFF
##4539CB	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058CF

Deuteranopia (green-blind)

#004CC8

Tritanopia (blue-blind)

#00627E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #4539cb;
/* rgb */ color: rgb(69, 57, 203);
/* oklch */ color: oklch(46.1% 0.214 277.5);

Tailwind

colors: {
  custom: {
    50: '#8a71dc',
    500: '#4539cb',
    950: '#000000',
  },
}

SCSS

$custom: #4539cb;
$custom-light: #8a71dc;
$custom-dark: #000000;

JSON

{
  "hex": "#4539cb",
  "rgb": {
    "r": 69,
    "g": 57,
    "b": 203
  },
  "hsl": {
    "h": 244.932,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.46056,
    "c": 0.21434,
    "h": 277.5
  },
  "luminance": 0.08503
}

Semantic roles & 50–950 ramp

primary

#4539CB

secondary

#CBD090

accent

#E246D5

background

#F9F7FD

surface

#F1EDFB

border

#CBC8D4

text

#0D0815

muted

#7E7B83

Preview Lab

Preview with #4539CB

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

Preview Lab → · Contrast checker → · Palette generator →