#5183F2#5183F2

#5183F2 is a light, vivid blue. Relative luminance 0.244; OKLCH L 63.1% C 0.175 H 263.9°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#5183F2
RGB	rgb(81, 131, 242)
HSL	hsl(221, 86%, 63%)
HSV	hsv(221, 67%, 95%)
CMYK	cmyk(66.5%, 45.9%, 0%, 5.1%)
CIE-LAB	lab(56.48, 18.43, -60.80)
CIE-LCH	lch(56.48, 63.53, 286.86°)
OKLab	oklab(63.11% -0.0187 -0.174)
OKLCH	oklch(63.11% 0.175 263.9)
XYZ	xyz(27.5310, 24.3900, 87.2440)
Luminance	0.2439 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183F2 #F2C051

analogous

#51D4F2 #5183F2 #6F51F2

triadic

#5183F2 #F25183 #83F251

tetradic

#5183F2 #F251D4 #F2C051 #51F26F

square

#5183F2 #F251D4 #F2C051 #51F26F

split-complementary

#5183F2 #F26F51 #D4F251

monochromatic

#0E44BB #185AEE #5183F2 #8AACF6 #C3D4FB

Accessibility & contrast

On white

3.57

#5183F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#5183F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183F2

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183F2	#FFFFFF	#000000	##000000
##5183F2	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4B8FF6

Deuteranopia (green-blind)

#2A81F0

Tritanopia (blue-blind)

#009DAF

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5183f2;
/* rgb */ color: rgb(81, 131, 242);
/* oklch */ color: oklch(63.1% 0.175 263.9);

Tailwind

colors: {
  custom: {
    50: '#92a6f7',
    500: '#5183f2',
    950: '#000000',
  },
}

SCSS

$custom: #5183f2;
$custom-light: #92a6f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5183f2",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 242
  },
  "hsl": {
    "h": 221.366,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.63107,
    "c": 0.17505,
    "h": 263.9
  },
  "luminance": 0.24393
}

Semantic roles & 50–950 ramp

primary

#5183F2

secondary

#ECDAB3

accent

#9D03E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5183F2

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

Preview Lab → · Contrast checker → · Palette generator →