#5156EA#5156EA

#5156EA is a mid, highly saturated blue. Relative luminance 0.143; OKLCH L 54.1% C 0.218 H 274.9°. Best body text is #FFFFFF at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#5156EA
RGB	rgb(81, 86, 234)
HSL	hsl(238, 78%, 62%)
HSV	hsv(238, 65%, 92%)
CMYK	cmyk(65.4%, 63.2%, 0%, 8.2%)
CIE-LAB	lab(44.72, 43.24, -75.37)
CIE-LCH	lch(44.72, 86.89, 299.84°)
OKLab	oklab(54.11% 0.0185 -0.2174)
OKLCH	oklch(54.11% 0.218 274.9)
XYZ	xyz(21.5675, 14.3435, 79.4579)
Luminance	0.1434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156EA #EAE551

analogous

#51A3EA #5156EA #9951EA

triadic

#5156EA #EA5156 #56EA51

tetradic

#5156EA #EA51A3 #EAE551 #51EA99

square

#5156EA #EA51A3 #EAE551 #51EA99

split-complementary

#5156EA #EA9951 #A3EA51

monochromatic

#151AAC #1B22E2 #5156EA #888BF1 #BEC0F7

Accessibility & contrast

On white

5.43

#5156EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.87

#5156EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156EA

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156EA	#FFFFFF	#000000	##FFFFFF
##5156EA	1.00	5.43	3.87	5.43
#FFFFFF	5.43	1.00	21.00	1.00
#000000	3.87	21.00	1.00	21.00
##FFFFFF	5.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EF

Deuteranopia (green-blind)

#0063E7

Tritanopia (blue-blind)

#007C98

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5156ea;
/* rgb */ color: rgb(81, 86, 234);
/* oklch */ color: oklch(54.1% 0.218 274.9);

Tailwind

colors: {
  custom: {
    50: '#9386f2',
    500: '#5156ea',
    950: '#000000',
  },
}

SCSS

$custom: #5156ea;
$custom-light: #9386f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5156ea",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 234
  },
  "hsl": {
    "h": 238.039,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.54111,
    "c": 0.21819,
    "h": 274.9
  },
  "luminance": 0.14345
}

Semantic roles & 50–950 ramp

primary

#5156EA

secondary

#E8E6AF

accent

#D40BDB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5156EA

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

Preview Lab → · Contrast checker → · Palette generator →