#5139CF#5139CF

#5139CF is a mid, highly saturated blue. Relative luminance 0.092; OKLCH L 47.3% C 0.217 H 281.5°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#5139CF
RGB	rgb(81, 57, 207)
HSL	hsl(250, 61%, 52%)
HSV	hsv(250, 72%, 81%)
CMYK	cmyk(60.9%, 72.5%, 0%, 18.8%)
CIE-LAB	lab(36.33, 51.19, -73.70)
CIE-LCH	lch(36.33, 89.73, 304.78°)
OKLab	oklab(47.35% 0.0432 -0.2125)
OKLCH	oklch(47.35% 0.217 281.5)
XYZ	xyz(16.1154, 9.1794, 59.9420)
Luminance	0.0918 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blurple

#5539CC

ΔE00 0.63

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5139CF #B7CF39

analogous

#396CCF #5139CF #9C39CF

triadic

#5139CF #CF5139 #39CF51

tetradic

#5139CF #CF396C #B7CF39 #39CF9C

square

#5139CF #CF396C #B7CF39 #39CF9C

split-complementary

#5139CF #CF9C39 #6CCF39

monochromatic

#291C72 #3B28A3 #5139CF #7C6ADB #A89CE7

Accessibility & contrast

On white

7.40

#5139CF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#5139CF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5139CF

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5139CF	#FFFFFF	#000000	##FFFFFF
##5139CF	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005BD3

Deuteranopia (green-blind)

#0050CC

Tritanopia (blue-blind)

#006381

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #5139cf;
/* rgb */ color: rgb(81, 57, 207);
/* oklch */ color: oklch(47.3% 0.217 281.5);

Tailwind

colors: {
  custom: {
    50: '#9072df',
    500: '#5139cf',
    950: '#000000',
  },
}

SCSS

$custom: #5139cf;
$custom-light: #9072df;
$custom-dark: #000000;

JSON

{
  "hex": "#5139cf",
  "rgb": {
    "r": 81,
    "g": 57,
    "b": 207
  },
  "hsl": {
    "h": 249.6,
    "s": 60.976,
    "l": 51.765
  },
  "oklch": {
    "l": 0.47345,
    "c": 0.21686,
    "h": 281.5
  },
  "luminance": 0.09181
}

Semantic roles & 50–950 ramp

primary

#5139CF

secondary

#C8D391

accent

#E444CA

background

#F9F7FD

surface

#F2EDFB

border

#CCC8D4

text

#0E0815

muted

#7E7B83

Preview Lab

Preview with #5139CF

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

Preview Lab → · Contrast checker → · Palette generator →