#5170DF#5170DF

#5170DF is a mid, vivid blue. Relative luminance 0.187; OKLCH L 58.0% C 0.172 H 268.8°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#5170DF
RGB	rgb(81, 112, 223)
HSL	hsl(227, 69%, 60%)
HSV	hsv(227, 64%, 87%)
CMYK	cmyk(63.7%, 49.8%, 0%, 12.5%)
CIE-LAB	lab(50.29, 23.58, -60.12)
CIE-LCH	lch(50.29, 64.58, 291.41°)
OKLab	oklab(58.01% -0.0037 -0.1723)
OKLCH	oklch(58.01% 0.172 268.8)
XYZ	xyz(22.5023, 18.6634, 72.2143)
Luminance	0.1867 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5170DF #DFC051

analogous

#51B7DF #5170DF #7951DF

triadic

#5170DF #DF5170 #70DF51

tetradic

#5170DF #DF51B7 #DFC051 #51DF79

square

#5170DF #DF51B7 #DFC051 #51DF79

split-complementary

#5170DF #DF7951 #B7DF51

monochromatic

#1C3899 #264ACD #5170DF #859AE9 #B8C5F2

Accessibility & contrast

On white

4.44

#5170DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#5170DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5170DF

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5170DF	#FFFFFF	#000000	##000000
##5170DF	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#327EE3

Deuteranopia (green-blind)

#0572DD

Tritanopia (blue-blind)

#008A9D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #5170df;
/* rgb */ color: rgb(81, 112, 223);
/* oklch */ color: oklch(58.0% 0.172 268.8);

Tailwind

colors: {
  custom: {
    50: '#8f98ea',
    500: '#5170df',
    950: '#000000',
  },
}

SCSS

$custom: #5170df;
$custom-light: #8f98ea;
$custom-dark: #000000;

JSON

{
  "hex": "#5170df",
  "rgb": {
    "r": 81,
    "g": 112,
    "b": 223
  },
  "hsl": {
    "h": 226.901,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.58014,
    "c": 0.17235,
    "h": 268.8
  },
  "luminance": 0.18665
}

Semantic roles & 50–950 ramp

primary

#5170DF

secondary

#E1D5AA

accent

#C53CEC

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0D16

muted

#7E7E84

Preview Lab

Preview with #5170DF

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

Preview Lab → · Contrast checker → · Palette generator →