#5156FF#5156FF

#5156FF is a mid, highly saturated blue. Relative luminance 0.156; OKLCH L 55.9% C 0.244 H 273.9°. Best body text is #FFFFFF at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#5156FF
RGB	rgb(81, 86, 255)
HSL	hsl(238, 100%, 66%)
HSV	hsv(238, 68%, 100%)
CMYK	cmyk(68.2%, 66.3%, 0%, 0%)
CIE-LAB	lab(46.48, 50.06, -84.26)
CIE-LCH	lch(46.48, 98.01, 300.72°)
OKLab	oklab(55.93% 0.0167 -0.2434)
OKLCH	oklch(55.93% 0.244 273.9)
XYZ	xyz(24.7651, 15.6226, 96.2987)
Luminance	0.1563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5156FF #FFFA51

analogous

#51ADFF #5156FF #A351FF

triadic

#5156FF #FF5156 #56FF51

tetradic

#5156FF #FF51AD #FFFA51 #51FFA3

square

#5156FF #FF51AD #FFFA51 #51FFA3

split-complementary

#5156FF #FFA351 #ADFF51

monochromatic

#0006D6 #141BFF #5156FF #8E91FF #CBCDFF

Accessibility & contrast

On white

5.09

#5156FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.12

#5156FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5156FF

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5156FF	#FFFFFF	#000000	##FFFFFF
##5156FF	1.00	5.09	4.12	5.09
#FFFFFF	5.09	1.00	21.00	1.00
#000000	4.12	21.00	1.00	21.00
##FFFFFF	5.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076FF

Deuteranopia (green-blind)

#0066FC

Tritanopia (blue-blind)

#0083A3

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #5156ff;
/* rgb */ color: rgb(81, 86, 255);
/* oklch */ color: oklch(55.9% 0.244 273.9);

Tailwind

colors: {
  custom: {
    50: '#9786ff',
    500: '#5156ff',
    950: '#000000',
  },
}

SCSS

$custom: #5156ff;
$custom-light: #9786ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5156ff",
  "rgb": {
    "r": 81,
    "g": 86,
    "b": 255
  },
  "hsl": {
    "h": 238.276,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.55926,
    "c": 0.24402,
    "h": 273.9
  },
  "luminance": 0.15625
}

Semantic roles & 50–950 ramp

primary

#5156FF

secondary

#F3F1B9

accent

#DF00E6

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#0F0B18

muted

#7F7C86

Preview Lab

Preview with #5156FF

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

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