#5139CB#5139CB

#5139CB is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 47.0% C 0.212 H 282.0°. Best body text is #FFFFFF at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#5139CB
RGB	rgb(81, 57, 203)
HSL	hsl(250, 58%, 51%)
HSV	hsv(250, 72%, 80%)
CMYK	cmyk(60.1%, 71.9%, 0%, 20.4%)
CIE-LAB	lab(35.96, 49.99, -71.98)
CIE-LCH	lch(35.96, 87.64, 304.78°)
OKLab	oklab(46.97% 0.0441 -0.2075)
OKLCH	oklch(46.97% 0.212 282)
XYZ	xyz(15.6326, 8.9863, 57.3991)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.57

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5139CB #B3CB39

analogous

#396ACB #5139CB #9A39CB

triadic

#5139CB #CB5139 #39CB51

tetradic

#5139CB #CB396A #B3CB39 #39CB9A

square

#5139CB #CB396A #B3CB39 #39CB9A

split-complementary

#5139CB #CB9A39 #6ACB39

monochromatic

#2A1D6D #3C299D #5139CB #7C69D8 #A69AE4

Accessibility & contrast

On white

7.51

#5139CB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#5139CB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5139CB

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5139CB	#FFFFFF	#000000	##FFFFFF
##5139CB	1.00	7.51	2.80	7.51
#FFFFFF	7.51	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059CF

Deuteranopia (green-blind)

#004FC8

Tritanopia (blue-blind)

#00617E

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #5139cb;
/* rgb */ color: rgb(81, 57, 203);
/* oklch */ color: oklch(47.0% 0.212 282.0);

Tailwind

colors: {
  custom: {
    50: '#8f72dc',
    500: '#5139cb',
    950: '#000000',
  },
}

SCSS

$custom: #5139cb;
$custom-light: #8f72dc;
$custom-dark: #000000;

JSON

{
  "hex": "#5139cb",
  "rgb": {
    "r": 81,
    "g": 57,
    "b": 203
  },
  "hsl": {
    "h": 249.863,
    "s": 58.4,
    "l": 50.98
  },
  "oklch": {
    "l": 0.46971,
    "c": 0.21212,
    "h": 282
  },
  "luminance": 0.08987
}

Semantic roles & 50–950 ramp

primary

#5139CB

secondary

#C6D090

accent

#E246C8

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #5139CB

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

Preview Lab → · Contrast checker → · Palette generator →