#5173FF#5173FF

#5173FF is a mid, highly saturated blue. Relative luminance 0.212; OKLCH L 60.9% C 0.211 H 268.9°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#5173FF
RGB	rgb(81, 115, 255)
HSL	hsl(228, 100%, 66%)
HSV	hsv(228, 68%, 100%)
CMYK	cmyk(68.2%, 54.9%, 0%, 0%)
CIE-LAB	lab(53.20, 32.70, -73.29)
CIE-LCH	lch(53.20, 80.25, 294.05°)
OKLab	oklab(60.89% -0.0039 -0.211)
OKLCH	oklch(60.89% 0.211 268.9)
XYZ	xyz(27.5679, 21.2281, 97.2329)
Luminance	0.2123 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5173FF #FFDD51

analogous

#51CAFF #5173FF #8651FF

triadic

#5173FF #FF5173 #73FF51

tetradic

#5173FF #FF51CA #FFDD51 #51FF86

square

#5173FF #FF51CA #FFDD51 #51FF86

split-complementary

#5173FF #FF8651 #CAFF51

monochromatic

#002AD6 #1442FF #5173FF #8EA4FF #CBD5FF

Accessibility & contrast

On white

4.00

#5173FF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#5173FF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5173FF

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5173FF	#FFFFFF	#000000	##000000
##5173FF	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#0087FF

Deuteranopia (green-blind)

#0077FC

Tritanopia (blue-blind)

#0095AE

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5173ff;
/* rgb */ color: rgb(81, 115, 255);
/* oklch */ color: oklch(60.9% 0.211 268.9);

Tailwind

colors: {
  custom: {
    50: '#959aff',
    500: '#5173ff',
    950: '#000000',
  },
}

SCSS

$custom: #5173ff;
$custom-light: #959aff;
$custom-dark: #000000;

JSON

{
  "hex": "#5173ff",
  "rgb": {
    "r": 81,
    "g": 115,
    "b": 255
  },
  "hsl": {
    "h": 228.276,
    "s": 100,
    "l": 65.882
  },
  "oklch": {
    "l": 0.60888,
    "c": 0.21105,
    "h": 268.9
  },
  "luminance": 0.21231
}

Semantic roles & 50–950 ramp

primary

#5173FF

secondary

#F3E7B9

accent

#B900E6

background

#FAF9FF

surface

#F3F2FF

border

#CDCCD7

text

#0F0E18

muted

#7F7E86

Preview Lab

Preview with #5173FF

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

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