#5157FF#5157FF

#5157FF is a mid, highly saturated blue. Relative luminance 0.158; OKLCH L 56.1% C 0.243 H 273.8°. Best body text is #FFFFFF at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#5157FF
RGB	rgb(81, 87, 255)
HSL	hsl(238, 100%, 66%)
HSV	hsv(238, 68%, 100%)
CMYK	cmyk(68.2%, 65.9%, 0%, 0%)
CIE-LAB	lab(46.69, 49.49, -83.91)
CIE-LCH	lch(46.69, 97.42, 300.53°)
OKLab	oklab(56.08% 0.0161 -0.2424)
OKLCH	oklch(56.08% 0.243 273.8)
XYZ	xyz(24.8455, 15.7834, 96.3255)
Luminance	0.1579 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157FF #FFF951

analogous

#51AEFF #5157FF #A251FF

triadic

#5157FF #FF5157 #57FF51

tetradic

#5157FF #FF51AE #FFF951 #51FFA2

square

#5157FF #FF51AE #FFF951 #51FFA2

split-complementary

#5157FF #FFA251 #AEFF51

monochromatic

#0007D6 #141CFF #5157FF #8E92FF #CBCDFF

Accessibility & contrast

On white

5.05

#5157FF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.16

#5157FF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157FF

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157FF	#FFFFFF	#000000	##FFFFFF
##5157FF	1.00	5.05	4.16	5.05
#FFFFFF	5.05	1.00	21.00	1.00
#000000	4.16	21.00	1.00	21.00
##FFFFFF	5.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0077FF

Deuteranopia (green-blind)

#0067FC

Tritanopia (blue-blind)

#0084A4

Achromatopsia (no color)

#6F6F6F

Design tokens & code

CSS

--color: #5157ff;
/* rgb */ color: rgb(81, 87, 255);
/* oklch */ color: oklch(56.1% 0.243 273.8);

Tailwind

colors: {
  custom: {
    50: '#9787ff',
    500: '#5157ff',
    950: '#000000',
  },
}

SCSS

$custom: #5157ff;
$custom-light: #9787ff;
$custom-dark: #000000;

JSON

{
  "hex": "#5157ff",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 255
  },
  "hsl": {
    "h": 237.931,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.56081,
    "c": 0.24295,
    "h": 273.8
  },
  "luminance": 0.15786
}

Semantic roles & 50–950 ramp

primary

#5157FF

secondary

#F3F1B9

accent

#DE00E6

background

#FAF8FF

surface

#F4EFFF

border

#CECAD7

text

#0F0B18

muted

#7F7C86

Preview Lab

Preview with #5157FF

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

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