#5183E6#5183E6

#5183E6 is a light, vivid blue. Relative luminance 0.237; OKLCH L 62.3% C 0.159 H 262.5°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#5183E6
RGB	rgb(81, 131, 230)
HSL	hsl(220, 75%, 61%)
HSV	hsv(220, 65%, 90%)
CMYK	cmyk(64.8%, 43%, 0%, 9.8%)
CIE-LAB	lab(55.78, 14.30, -55.24)
CIE-LCH	lch(55.78, 57.06, 284.51°)
OKLab	oklab(62.35% -0.0207 -0.1577)
OKLCH	oklch(62.35% 0.159 262.5)
XYZ	xyz(25.7875, 23.6926, 78.0617)
Luminance	0.2369 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5183E6 #E6B451

analogous

#51CDE6 #5183E6 #6951E6

triadic

#5183E6 #E65183 #83E651

tetradic

#5183E6 #E651CD #E6B451 #51E669

square

#5183E6 #E651CD #E6B451 #51E669

split-complementary

#5183E6 #E66951 #CDE651

monochromatic

#1847A5 #1F5EDA #5183E6 #87A9EE #BCCFF5

Accessibility & contrast

On white

3.66

#5183E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#5183E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5183E6

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5183E6	#FFFFFF	#000000	##000000
##5183E6	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#548DEA

Deuteranopia (green-blind)

#3C7FE4

Tritanopia (blue-blind)

#009AA9

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5183e6;
/* rgb */ color: rgb(81, 131, 230);
/* oklch */ color: oklch(62.3% 0.159 262.5);

Tailwind

colors: {
  custom: {
    50: '#90a6ee',
    500: '#5183e6',
    950: '#000000',
  },
}

SCSS

$custom: #5183e6;
$custom-light: #90a6ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5183e6",
  "rgb": {
    "r": 81,
    "g": 131,
    "b": 230
  },
  "hsl": {
    "h": 219.866,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.62346,
    "c": 0.15906,
    "h": 262.5
  },
  "luminance": 0.23695
}

Semantic roles & 50–950 ramp

primary

#5183E6

secondary

#E5D3AD

accent

#940ED7

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F16

muted

#7E7F84

Preview Lab

Preview with #5183E6

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

Preview Lab → · Contrast checker → · Palette generator →