#5183D6#5183D6

#5183D6 is a mid, vivid blue. Relative luminance 0.228; OKLCH L 61.4% C 0.138 H 260.0°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#5183D6
RGB	rgb(81, 131, 214)
HSL	hsl(217, 62%, 58%)
HSV	hsv(217, 62%, 84%)
CMYK	cmyk(62.1%, 38.8%, 0%, 16.1%)
CIE-LAB	lab(54.90, 8.84, -47.67)
CIE-LCH	lch(54.90, 48.48, 280.51°)
OKLab	oklab(61.38% -0.0239 -0.1355)
OKLCH	oklch(61.38% 0.138 260)
XYZ	xyz(23.6430, 22.8348, 66.7669)
Luminance	0.2284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183D6 #D6A451

analogous

#51C5D6 #5183D6 #6251D6

triadic

#5183D6 #D65183 #83D651

tetradic

#5183D6 #D651C5 #D6A451 #51D662

square

#5183D6 #D651C5 #D6A451 #51D662

split-complementary

#5183D6 #D66251 #C5D651

monochromatic

#21498C #2D63BD #5183D6 #83A6E2 #B4CAED

Accessibility & contrast

On white

3.77

#5183D6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#5183D6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183D6

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183D6	#FFFFFF	#000000	##000000
##5183D6	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8AD9

Deuteranopia (green-blind)

#4C7ED4

Tritanopia (blue-blind)

#0096A2

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #5183d6;
/* rgb */ color: rgb(81, 131, 214);
/* oklch */ color: oklch(61.4% 0.138 260.0);

Tailwind

colors: {
  custom: {
    50: '#8da6e3',
    500: '#5183d6',
    950: '#000000',
  },
}

SCSS

$custom: #5183d6;
$custom-light: #8da6e3;
$custom-dark: #000000;

JSON

{
  "hex": "#5183d6",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 214
  },
  "hsl": {
    "h": 217.444,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.61384,
    "c": 0.13758,
    "h": 260
  },
  "luminance": 0.22837
}

Semantic roles & 50–950 ramp

primary

#5183D6

secondary

#DCC8A7

accent

#A843E5

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5183D6

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

Preview Lab → · Contrast checker → · Palette generator →