#5156E3#5156E3

#5156E3 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.5% C 0.209 H 275.2°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5156E3
RGB	rgb(81, 86, 227)
HSL	hsl(238, 72%, 60%)
HSV	hsv(238, 64%, 89%)
CMYK	cmyk(64.3%, 62.1%, 0%, 11%)
CIE-LAB	lab(44.16, 40.94, -72.33)
CIE-LCH	lch(44.16, 83.11, 299.51°)
OKLab	oklab(53.53% 0.019 -0.2085)
OKLCH	oklch(53.53% 0.209 275.2)
XYZ	xyz(20.5817, 13.9492, 74.2660)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156E3 #E3DE51

analogous

#519FE3 #5156E3 #9551E3

triadic

#5156E3 #E35156 #56E351

tetradic

#5156E3 #E3519F #E3DE51 #51E395

square

#5156E3 #E3519F #E3DE51 #51E395

split-complementary

#5156E3 #E39551 #9FE351

monochromatic

#1A1EA0 #2228D5 #5156E3 #8689EB #BABCF4

Accessibility & contrast

On white

5.54

#5156E3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5156E3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156E3

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156E3	#FFFFFF	#000000	##FFFFFF
##5156E3	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE8

Deuteranopia (green-blind)

#0062E0

Tritanopia (blue-blind)

#007A94

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5156e3;
/* rgb */ color: rgb(81, 86, 227);
/* oklch */ color: oklch(53.5% 0.209 275.2);

Tailwind

colors: {
  custom: {
    50: '#9286ed',
    500: '#5156e3',
    950: '#000000',
  },
}

SCSS

$custom: #5156e3;
$custom-light: #9286ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5156e3",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 227
  },
  "hsl": {
    "h": 237.945,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.53526,
    "c": 0.20934,
    "h": 275.2
  },
  "luminance": 0.13951
}

Semantic roles & 50–950 ramp

primary

#5156E3

secondary

#E4E2AC

accent

#CE11D4

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5156E3

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

Preview Lab → · Contrast checker → · Palette generator →