#5157E1#5157E1

#5157E1 is a mid, highly saturated blue. Relative luminance 0.140; OKLCH L 53.5% C 0.206 H 275.1°. Best body text is #FFFFFF at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#5157E1
RGB	rgb(81, 87, 225)
HSL	hsl(238, 71%, 60%)
HSV	hsv(238, 64%, 88%)
CMYK	cmyk(64%, 61.3%, 0%, 11.8%)
CIE-LAB	lab(44.23, 39.68, -71.07)
CIE-LCH	lch(44.23, 81.40, 299.17°)
OKLab	oklab(53.53% 0.0183 -0.2048)
OKLCH	oklch(53.53% 0.206 275.1)
XYZ	xyz(20.3877, 14.0002, 72.8475)
Luminance	0.1400 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157E1 #E1DB51

analogous

#519FE1 #5157E1 #9351E1

triadic

#5157E1 #E15157 #57E151

tetradic

#5157E1 #E1519F #E1DB51 #51E193

square

#5157E1 #E1519F #E1DB51 #51E193

split-complementary

#5157E1 #E19351 #9FE151

monochromatic

#1B209D #242BD1 #5157E1 #8589EA #B9BCF3

Accessibility & contrast

On white

5.53

#5157E1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#5157E1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157E1

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157E1	#FFFFFF	#000000	##FFFFFF
##5157E1	1.00	5.53	3.80	5.53
#FFFFFF	5.53	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE5

Deuteranopia (green-blind)

#0062DE

Tritanopia (blue-blind)

#007A94

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #5157e1;
/* rgb */ color: rgb(81, 87, 225);
/* oklch */ color: oklch(53.5% 0.206 275.1);

Tailwind

colors: {
  custom: {
    50: '#9186eb',
    500: '#5157e1',
    950: '#000000',
  },
}

SCSS

$custom: #5157e1;
$custom-light: #9186eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5157e1",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 225
  },
  "hsl": {
    "h": 237.5,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.5353,
    "c": 0.2056,
    "h": 275.1
  },
  "luminance": 0.14002
}

Semantic roles & 50–950 ramp

primary

#5157E1

secondary

#E3E0AB

accent

#E63AED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5157E1

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

Preview Lab → · Contrast checker → · Palette generator →