#5157EA#5157EA

#5157EA is a mid, highly saturated blue. Relative luminance 0.145; OKLCH L 54.3% C 0.217 H 274.7°. Best body text is #FFFFFF at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#5157EA
RGB	rgb(81, 87, 234)
HSL	hsl(238, 78%, 62%)
HSV	hsv(238, 65%, 92%)
CMYK	cmyk(65.4%, 62.8%, 0%, 8.2%)
CIE-LAB	lab(44.95, 42.64, -75.00)
CIE-LCH	lch(44.95, 86.28, 299.62°)
OKLab	oklab(54.28% 0.0178 -0.2163)
OKLCH	oklch(54.28% 0.217 274.7)
XYZ	xyz(21.6479, 14.5043, 79.4847)
Luminance	0.1451 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5157EA #EAE451

analogous

#51A4EA #5157EA #9851EA

triadic

#5157EA #EA5157 #57EA51

tetradic

#5157EA #EA51A4 #EAE451 #51EA98

square

#5157EA #EA51A4 #EAE451 #51EA98

split-complementary

#5157EA #EA9851 #A4EA51

monochromatic

#151BAC #1B23E2 #5157EA #888CF1 #BEC0F7

Accessibility & contrast

On white

5.38

#5157EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.90

#5157EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #5157EA

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5157EA	#FFFFFF	#000000	##FFFFFF
##5157EA	1.00	5.38	3.90	5.38
#FFFFFF	5.38	1.00	21.00	1.00
#000000	3.90	21.00	1.00	21.00
##FFFFFF	5.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0071EF

Deuteranopia (green-blind)

#0064E7

Tritanopia (blue-blind)

#007D99

Achromatopsia (no color)

#6A6A6A

Design tokens & code

CSS

--color: #5157ea;
/* rgb */ color: rgb(81, 87, 234);
/* oklch */ color: oklch(54.3% 0.217 274.7);

Tailwind

colors: {
  custom: {
    50: '#9387f2',
    500: '#5157ea',
    950: '#000000',
  },
}

SCSS

$custom: #5157ea;
$custom-light: #9387f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5157ea",
  "rgb": {
    "r": 81,
    "g": 87,
    "b": 234
  },
  "hsl": {
    "h": 237.647,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.54276,
    "c": 0.21704,
    "h": 274.7
  },
  "luminance": 0.14506
}

Semantic roles & 50–950 ramp

primary

#5157EA

secondary

#E8E6AF

accent

#D30BDB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0F0B17

muted

#7E7C85

Preview Lab

Preview with #5157EA

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

Preview Lab → · Contrast checker → · Palette generator →