#5173F2#5173F2

#5173F2 is a mid, vivid blue. Relative luminance 0.204; OKLCH L 59.9% C 0.194 H 268.6°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#5173F2
RGB	rgb(81, 115, 242)
HSL	hsl(227, 86%, 63%)
HSV	hsv(227, 67%, 95%)
CMYK	cmyk(66.5%, 52.5%, 0%, 5.1%)
CIE-LAB	lab(52.31, 28.24, -67.52)
CIE-LCH	lch(52.31, 73.19, 292.70°)
OKLab	oklab(59.94% -0.0047 -0.194)
OKLCH	oklch(59.94% 0.194 268.6)
XYZ	xyz(25.5456, 20.4192, 86.5822)
Luminance	0.2042 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5173F2 #F2D051

analogous

#51C3F2 #5173F2 #7F51F2

triadic

#5173F2 #F25173 #73F251

tetradic

#5173F2 #F251C3 #F2D051 #51F27F

square

#5173F2 #F251C3 #F2D051 #51F27F

split-complementary

#5173F2 #F27F51 #C3F251

monochromatic

#0E32BB #1845EE #5173F2 #8AA1F6 #C3CFFB

Accessibility & contrast

On white

4.13

#5173F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#5173F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5173F2

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5173F2	#FFFFFF	#000000	##000000
##5173F2	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B84F6

Deuteranopia (green-blind)

#0076EF

Tritanopia (blue-blind)

#0091A7

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5173f2;
/* rgb */ color: rgb(81, 115, 242);
/* oklch */ color: oklch(59.9% 0.194 268.6);

Tailwind

colors: {
  custom: {
    50: '#939af7',
    500: '#5173f2',
    950: '#000000',
  },
}

SCSS

$custom: #5173f2;
$custom-light: #939af7;
$custom-dark: #000000;

JSON

{
  "hex": "#5173f2",
  "rgb": {
    "r": 81,
    "g": 115,
    "b": 242
  },
  "hsl": {
    "h": 227.329,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.59936,
    "c": 0.1941,
    "h": 268.6
  },
  "luminance": 0.20422
}

Semantic roles & 50–950 ramp

primary

#5173F2

secondary

#ECE0B3

accent

#B303E3

background

#F9F9FF

surface

#F2F2FF

border

#CCCCD7

text

#0E0E17

muted

#7E7E85

Preview Lab

Preview with #5173F2

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

Preview Lab → · Contrast checker → · Palette generator →