#5170EA#5170EA

#5170EA is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.8% C 0.187 H 269.2°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#5170EA
RGB	rgb(81, 112, 234)
HSL	hsl(228, 78%, 62%)
HSV	hsv(228, 65%, 92%)
CMYK	cmyk(65.4%, 52.1%, 0%, 8.2%)
CIE-LAB	lab(51.01, 27.35, -65.15)
CIE-LCH	lch(51.01, 70.66, 292.77°)
OKLab	oklab(58.79% -0.0027 -0.1871)
OKLCH	oklch(58.79% 0.187 269.2)
XYZ	xyz(24.0337, 19.2760, 80.2800)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5170EA #EACB51

analogous

#51BDEA #5170EA #7F51EA

triadic

#5170EA #EA5170 #70EA51

tetradic

#5170EA #EA51BD #EACB51 #51EA7F

square

#5170EA #EA51BD #EACB51 #51EA7F

split-complementary

#5170EA #EA7F51 #BDEA51

monochromatic

#1533AC #1B44E2 #5170EA #889DF1 #BECAF7

Accessibility & contrast

On white

4.32

#5170EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#5170EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5170EA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5170EA	#FFFFFF	#000000	##000000
##5170EA	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2081EE

Deuteranopia (green-blind)

#0073E8

Tritanopia (blue-blind)

#008DA2

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5170ea;
/* rgb */ color: rgb(81, 112, 234);
/* oklch */ color: oklch(58.8% 0.187 269.2);

Tailwind

colors: {
  custom: {
    50: '#9198f1',
    500: '#5170ea',
    950: '#000000',
  },
}

SCSS

$custom: #5170ea;
$custom-light: #9198f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5170ea",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 234
  },
  "hsl": {
    "h": 227.843,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.58786,
    "c": 0.18712,
    "h": 269.2
  },
  "luminance": 0.19278
}

Semantic roles & 50–950 ramp

primary

#5170EA

secondary

#E8DCAF

accent

#B10BDB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D17

muted

#7E7E85

Preview Lab

Preview with #5170EA

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

Preview Lab → · Contrast checker → · Palette generator →