#5173DE#5173DE

#5173DE is a mid, vivid blue. Relative luminance 0.193; OKLCH L 58.5% C 0.167 H 267.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#5173DE
RGB	rgb(81, 115, 222)
HSL	hsl(226, 68%, 59%)
HSV	hsv(226, 64%, 87%)
CMYK	cmyk(63.5%, 48.2%, 0%, 12.9%)
CIE-LAB	lab(51.02, 21.37, -58.39)
CIE-LCH	lch(51.02, 62.18, 290.11°)
OKLab	oklab(58.55% -0.0066 -0.1672)
OKLCH	oklch(58.55% 0.167 267.7)
XYZ	xyz(22.7044, 19.2827, 71.6185)
Luminance	0.1928 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5173DE #DEBC51

analogous

#51BADE #5173DE #7651DE

triadic

#5173DE #DE5173 #73DE51

tetradic

#5173DE #DE51BA #DEBC51 #51DE76

square

#5173DE #DE51BA #DEBC51 #51DE76

split-complementary

#5173DE #DE7651 #BADE51

monochromatic

#1D3A98 #274ECB #5173DE #849CE8 #B8C6F2

Accessibility & contrast

On white

4.32

#5173DE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#5173DE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5173DE

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5173DE	#FFFFFF	#000000	##000000
##5173DE	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)

#3B80E2

Deuteranopia (green-blind)

#1B73DC

Tritanopia (blue-blind)

#008C9E

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #5173de;
/* rgb */ color: rgb(81, 115, 222);
/* oklch */ color: oklch(58.5% 0.167 267.7);

Tailwind

colors: {
  custom: {
    50: '#8f9ae9',
    500: '#5173de',
    950: '#000000',
  },
}

SCSS

$custom: #5173de;
$custom-light: #8f9ae9;
$custom-dark: #000000;

JSON

{
  "hex": "#5173de",
  "rgb": {
    "r": 81,
    "g": 115,
    "b": 222
  },
  "hsl": {
    "h": 225.532,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.58545,
    "c": 0.1673,
    "h": 267.7
  },
  "luminance": 0.19285
}

Semantic roles & 50–950 ramp

primary

#5173DE

secondary

#E1D4AA

accent

#C13DEB

background

#F9F9FE

surface

#F2F2FD

border

#CCCCD5

text

#0E0E16

muted

#7E7E84

Preview Lab

Preview with #5173DE

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

Preview Lab → · Contrast checker → · Palette generator →