#5188ED#5188ED

#5188ED is a light, vivid blue. Relative luminance 0.255; OKLCH L 63.8% C 0.163 H 261.5°. Best body text is #000000 at 6.09:1 contrast (WCAG AA passes).

Color values

HEX	#5188ED
RGB	rgb(81, 136, 237)
HSL	hsl(219, 81%, 62%)
HSV	hsv(219, 66%, 93%)
CMYK	cmyk(65.8%, 42.6%, 0%, 7.1%)
CIE-LAB	lab(57.53, 13.67, -56.34)
CIE-LCH	lch(57.53, 57.98, 283.64°)
OKLab	oklab(63.82% -0.0242 -0.1609)
OKLCH	oklch(63.82% 0.163 261.5)
XYZ	xyz(27.4781, 25.4694, 83.5723)
Luminance	0.2547 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188ED #EDB651

analogous

#51D6ED #5188ED #6851ED

triadic

#5188ED #ED5188 #88ED51

tetradic

#5188ED #ED51D6 #EDB651 #51ED68

square

#5188ED #ED51D6 #EDB651 #51ED68

split-complementary

#5188ED #ED6851 #D6ED51

monochromatic

#124AB1 #1A62E7 #5188ED #88AEF3 #C0D4F8

Accessibility & contrast

On white

3.45

#5188ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.09

#5188ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188ED

6.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188ED	#FFFFFF	#000000	##000000
##5188ED	1.00	3.45	6.09	6.09
#FFFFFF	3.45	1.00	21.00	21.00
#000000	6.09	21.00	1.00	1.00
##000000	6.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5892F1

Deuteranopia (green-blind)

#3F83EB

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #5188ed;
/* rgb */ color: rgb(81, 136, 237);
/* oklch */ color: oklch(63.8% 0.163 261.5);

Tailwind

colors: {
  custom: {
    50: '#91aaf3',
    500: '#5188ed',
    950: '#000000',
  },
}

SCSS

$custom: #5188ed;
$custom-light: #91aaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#5188ed",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 237
  },
  "hsl": {
    "h": 218.846,
    "s": 81.25,
    "l": 62.353
  },
  "oklch": {
    "l": 0.63824,
    "c": 0.16266,
    "h": 261.5
  },
  "luminance": 0.25472
}

Semantic roles & 50–950 ramp

primary

#5188ED

secondary

#E9D5B0

accent

#9208DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5188ED

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

Preview Lab → · Contrast checker → · Palette generator →