#5157E0#5157E0

#5157E0 is a mid, highly saturated blue. Relative luminance 0.139; OKLCH L 53.4% C 0.204 H 275.1°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#5157E0
RGB	rgb(81, 87, 224)
HSL	hsl(237, 70%, 60%)
HSV	hsv(237, 64%, 88%)
CMYK	cmyk(63.8%, 61.2%, 0%, 12.2%)
CIE-LAB	lab(44.16, 39.35, -70.63)
CIE-LCH	lch(44.16, 80.85, 299.12°)
OKLab	oklab(53.45% 0.0183 -0.2035)
OKLCH	oklch(53.45% 0.204 275.1)
XYZ	xyz(20.2517, 13.9458, 72.1311)
Luminance	0.1395 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157E0 #E0DA51

analogous

#519EE0 #5157E0 #9351E0

triadic

#5157E0 #E05157 #57E051

tetradic

#5157E0 #E0519E #E0DA51 #51E093

square

#5157E0 #E0519E #E0DA51 #51E093

split-complementary

#5157E0 #E09351 #9EE051

monochromatic

#1C219B #252CCF #5157E0 #8589E9 #B9BBF3

Accessibility & contrast

On white

5.54

#5157E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#5157E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157E0

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157E0	#FFFFFF	#000000	##FFFFFF
##5157E0	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FE4

Deuteranopia (green-blind)

#0062DD

Tritanopia (blue-blind)

#007993

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #5157e0;
/* rgb */ color: rgb(81, 87, 224);
/* oklch */ color: oklch(53.4% 0.204 275.1);

Tailwind

colors: {
  custom: {
    50: '#9186eb',
    500: '#5157e0',
    950: '#000000',
  },
}

SCSS

$custom: #5157e0;
$custom-light: #9186eb;
$custom-dark: #000000;

JSON

{
  "hex": "#5157e0",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 224
  },
  "hsl": {
    "h": 237.483,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.53449,
    "c": 0.20431,
    "h": 275.1
  },
  "luminance": 0.13948
}

Semantic roles & 50–950 ramp

primary

#5157E0

secondary

#E2E0AB

accent

#E53BED

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0B16

muted

#7E7C84

Preview Lab

Preview with #5157E0

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

Preview Lab → · Contrast checker → · Palette generator →