#5157E4#5157E4

#5157E4 is a mid, highly saturated blue. Relative luminance 0.142; OKLCH L 53.8% C 0.209 H 275.0°. Best body text is #FFFFFF at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#5157E4
RGB	rgb(81, 87, 228)
HSL	hsl(238, 73%, 61%)
HSV	hsv(238, 64%, 89%)
CMYK	cmyk(64.5%, 61.8%, 0%, 10.6%)
CIE-LAB	lab(44.47, 40.67, -72.39)
CIE-LCH	lch(44.47, 83.03, 299.33°)
OKLab	oklab(53.78% 0.0181 -0.2086)
OKLCH	oklch(53.78% 0.209 275)
XYZ	xyz(20.8005, 14.1654, 75.0218)
Luminance	0.1417 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157E4 #E4DE51

analogous

#51A0E4 #5157E4 #9451E4

triadic

#5157E4 #E45157 #57E451

tetradic

#5157E4 #E451A0 #E4DE51 #51E494

square

#5157E4 #E451A0 #E4DE51 #51E494

split-complementary

#5157E4 #E49451 #A0E451

monochromatic

#191FA2 #2129D7 #5157E4 #868AEC #BBBDF4

Accessibility & contrast

On white

5.48

#5157E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.83

#5157E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157E4

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157E4	#FFFFFF	#000000	##FFFFFF
##5157E4	1.00	5.48	3.83	5.48
#FFFFFF	5.48	1.00	21.00	1.00
#000000	3.83	21.00	1.00	21.00
##FFFFFF	5.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0070E9

Deuteranopia (green-blind)

#0063E1

Tritanopia (blue-blind)

#007B95

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5157e4;
/* rgb */ color: rgb(81, 87, 228);
/* oklch */ color: oklch(53.8% 0.209 275.0);

Tailwind

colors: {
  custom: {
    50: '#9286ee',
    500: '#5157e4',
    950: '#000000',
  },
}

SCSS

$custom: #5157e4;
$custom-light: #9286ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5157e4",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 228
  },
  "hsl": {
    "h": 237.551,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.53777,
    "c": 0.20944,
    "h": 275
  },
  "luminance": 0.14167
}

Semantic roles & 50–950 ramp

primary

#5157E4

secondary

#E4E2AC

accent

#CD10D5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5157E4

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

Preview Lab → · Contrast checker → · Palette generator →