#5170E5#5170E5

#5170E5 is a mid, vivid blue. Relative luminance 0.190; OKLCH L 58.4% C 0.180 H 269.0°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#5170E5
RGB	rgb(81, 112, 229)
HSL	hsl(227, 74%, 61%)
HSV	hsv(227, 65%, 90%)
CMYK	cmyk(64.6%, 51.1%, 0%, 10.2%)
CIE-LAB	lab(50.68, 25.63, -62.88)
CIE-LCH	lch(50.68, 67.90, 292.18°)
OKLab	oklab(58.43% -0.0031 -0.1804)
OKLCH	oklch(58.43% 0.18 269)
XYZ	xyz(23.3255, 18.9927, 76.5503)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5170E5 #E5C651

analogous

#51BAE5 #5170E5 #7C51E5

triadic

#5170E5 #E55170 #70E551

tetradic

#5170E5 #E551BA #E5C651 #51E57C

square

#5170E5 #E551BA #E5C651 #51E57C

split-complementary

#5170E5 #E57C51 #BAE551

monochromatic

#1835A3 #2047D8 #5170E5 #869CED #BBC8F5

Accessibility & contrast

On white

4.38

#5170E5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#5170E5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5170E5

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5170E5	#FFFFFF	#000000	##000000
##5170E5	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#2980E9

Deuteranopia (green-blind)

#0072E3

Tritanopia (blue-blind)

#008BA0

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5170e5;
/* rgb */ color: rgb(81, 112, 229);
/* oklch */ color: oklch(58.4% 0.180 269.0);

Tailwind

colors: {
  custom: {
    50: '#9098ee',
    500: '#5170e5',
    950: '#000000',
  },
}

SCSS

$custom: #5170e5;
$custom-light: #9098ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5170e5",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 229
  },
  "hsl": {
    "h": 227.432,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.58431,
    "c": 0.18044,
    "h": 269
  },
  "luminance": 0.18995
}

Semantic roles & 50–950 ramp

primary

#5170E5

secondary

#E5D9AD

accent

#AC0FD6

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5170E5

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

Preview Lab → · Contrast checker → · Palette generator →