#5139CC#5139CC

#5139CC is a mid, highly saturated blue. Relative luminance 0.090; OKLCH L 47.1% C 0.213 H 281.9°. Best body text is #FFFFFF at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#5139CC
RGB	rgb(81, 57, 204)
HSL	hsl(250, 59%, 51%)
HSV	hsv(250, 72%, 80%)
CMYK	cmyk(60.3%, 72.1%, 0%, 20%)
CIE-LAB	lab(36.05, 50.29, -72.41)
CIE-LCH	lch(36.05, 88.16, 304.78°)
OKLab	oklab(47.06% 0.0439 -0.2087)
OKLCH	oklch(47.06% 0.213 281.9)
XYZ	xyz(15.7521, 9.0341, 58.0287)
Luminance	0.0903 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.54

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5139CC #B4CC39

analogous

#396ACC #5139CC #9A39CC

triadic

#5139CC #CC5139 #39CC51

tetradic

#5139CC #CC396A #B4CC39 #39CC9A

square

#5139CC #CC396A #B4CC39 #39CC9A

split-complementary

#5139CC #CC9A39 #6ACC39

monochromatic

#2A1C6E #3C299F #5139CC #7C6AD9 #A79AE5

Accessibility & contrast

On white

7.48

#5139CC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#5139CC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5139CC

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5139CC	#FFFFFF	#000000	##FFFFFF
##5139CC	1.00	7.48	2.81	7.48
#FFFFFF	7.48	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AD0

Deuteranopia (green-blind)

#004FC9

Tritanopia (blue-blind)

#00617F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #5139cc;
/* rgb */ color: rgb(81, 57, 204);
/* oklch */ color: oklch(47.1% 0.213 281.9);

Tailwind

colors: {
  custom: {
    50: '#9072dd',
    500: '#5139cc',
    950: '#000000',
  },
}

SCSS

$custom: #5139cc;
$custom-light: #9072dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5139cc",
  "rgb": {
    "r": 81,
    "g": 57,
    "b": 204
  },
  "hsl": {
    "h": 249.796,
    "s": 59.036,
    "l": 51.176
  },
  "oklch": {
    "l": 0.47064,
    "c": 0.21331,
    "h": 281.9
  },
  "luminance": 0.09035
}

Semantic roles & 50–950 ramp

primary

#5139CC

secondary

#C6D190

accent

#E246C9

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #5139CC

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

Preview Lab → · Contrast checker → · Palette generator →