#5157EE#5157EE

#5157EE is a mid, highly saturated blue. Relative luminance 0.147; OKLCH L 54.6% C 0.222 H 274.5°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#5157EE
RGB	rgb(81, 87, 238)
HSL	hsl(238, 82%, 63%)
HSV	hsv(238, 66%, 93%)
CMYK	cmyk(66%, 63.4%, 0%, 6.7%)
CIE-LAB	lab(45.27, 43.95, -76.72)
CIE-LCH	lch(45.27, 88.42, 299.81°)
OKLab	oklab(54.61% 0.0175 -0.2214)
OKLCH	oklch(54.61% 0.222 274.5)
XYZ	xyz(22.2290, 14.7368, 82.5454)
Luminance	0.1474 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157EE #EEE851

analogous

#51A5EE #5157EE #9951EE

triadic

#5157EE #EE5157 #57EE51

tetradic

#5157EE #EE51A5 #EEE851 #51EE99

square

#5157EE #EE51A5 #EEE851 #51EE99

split-complementary

#5157EE #EE9951 #A5EE51

monochromatic

#1118B3 #1921E9 #5157EE #898DF3 #C1C3F9

Accessibility & contrast

On white

5.32

#5157EE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#5157EE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157EE

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157EE	#FFFFFF	#000000	##FFFFFF
##5157EE	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0072F3

Deuteranopia (green-blind)

#0064EB

Tritanopia (blue-blind)

#007E9B

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #5157ee;
/* rgb */ color: rgb(81, 87, 238);
/* oklch */ color: oklch(54.6% 0.222 274.5);

Tailwind

colors: {
  custom: {
    50: '#9487f5',
    500: '#5157ee',
    950: '#000000',
  },
}

SCSS

$custom: #5157ee;
$custom-light: #9487f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5157ee",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 238
  },
  "hsl": {
    "h": 237.707,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.54614,
    "c": 0.22206,
    "h": 274.5
  },
  "luminance": 0.14739
}

Semantic roles & 50–950 ramp

primary

#5157EE

secondary

#EAE8B1

accent

#D607DF

background

#F9F8FF

surface

#F2EFFF

border

#CCCAD7

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5157EE

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

Preview Lab → · Contrast checker → · Palette generator →