#5156E4#5156E4

#5156E4 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.6% C 0.211 H 275.2°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#5156E4
RGB	rgb(81, 86, 228)
HSL	hsl(238, 73%, 61%)
HSV	hsv(238, 64%, 89%)
CMYK	cmyk(64.5%, 62.3%, 0%, 10.6%)
CIE-LAB	lab(44.24, 41.27, -72.76)
CIE-LCH	lch(44.24, 83.65, 299.56°)
OKLab	oklab(53.61% 0.0189 -0.2098)
OKLCH	oklch(53.61% 0.211 275.2)
XYZ	xyz(20.7201, 14.0046, 74.9950)
Luminance	0.1401 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156E4 #E4DF51

analogous

#519FE4 #5156E4 #9551E4

triadic

#5156E4 #E45156 #56E451

tetradic

#5156E4 #E4519F #E4DF51 #51E495

square

#5156E4 #E4519F #E4DF51 #51E495

split-complementary

#5156E4 #E49551 #9FE451

monochromatic

#191EA2 #2127D7 #5156E4 #8689EC #BBBDF4

Accessibility & contrast

On white

5.52

#5156E4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#5156E4 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156E4

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156E4	#FFFFFF	#000000	##FFFFFF
##5156E4	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE9

Deuteranopia (green-blind)

#0062E1

Tritanopia (blue-blind)

#007A95

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5156e4;
/* rgb */ color: rgb(81, 86, 228);
/* oklch */ color: oklch(53.6% 0.211 275.2);

Tailwind

colors: {
  custom: {
    50: '#9286ee',
    500: '#5156e4',
    950: '#000000',
  },
}

SCSS

$custom: #5156e4;
$custom-light: #9286ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5156e4",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 228
  },
  "hsl": {
    "h": 237.959,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.53609,
    "c": 0.21061,
    "h": 275.2
  },
  "luminance": 0.14006
}

Semantic roles & 50–950 ramp

primary

#5156E4

secondary

#E4E2AC

accent

#CF10D5

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5156E4

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

Preview Lab → · Contrast checker → · Palette generator →