#5188D5#5188D5

#5188D5 is a light, vivid blue. Relative luminance 0.242; OKLCH L 62.4% C 0.131 H 257.1°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#5188D5
RGB	rgb(81, 136, 213)
HSL	hsl(215, 61%, 58%)
HSV	hsv(215, 62%, 84%)
CMYK	cmyk(62%, 36.2%, 0%, 16.5%)
CIE-LAB	lab(56.25, 5.51, -44.98)
CIE-LCH	lch(56.25, 45.31, 276.98°)
OKLab	oklab(62.41% -0.0293 -0.1275)
OKLCH	oklch(62.41% 0.131 257.1)
XYZ	xyz(24.2035, 24.1595, 66.3256)
Luminance	0.2416 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188D5 #D59E51

analogous

#51CAD5 #5188D5 #5C51D5

triadic

#5188D5 #D55188 #88D551

tetradic

#5188D5 #D551CA #D59E51 #51D55C

square

#5188D5 #D551CA #D59E51 #51D55C

split-complementary

#5188D5 #D55C51 #CAD551

monochromatic

#214D8A #2D69BC #5188D5 #82AAE1 #B4CBED

Accessibility & contrast

On white

3.60

#5188D5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#5188D5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188D5

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188D5	#FFFFFF	#000000	##000000
##5188D5	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678ED8

Deuteranopia (green-blind)

#5581D3

Tritanopia (blue-blind)

#009AA4

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #5188d5;
/* rgb */ color: rgb(81, 136, 213);
/* oklch */ color: oklch(62.4% 0.131 257.1);

Tailwind

colors: {
  custom: {
    50: '#8daae2',
    500: '#5188d5',
    950: '#000000',
  },
}

SCSS

$custom: #5188d5;
$custom-light: #8daae2;
$custom-dark: #000000;

JSON

{
  "hex": "#5188d5",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 213
  },
  "hsl": {
    "h": 215,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.62413,
    "c": 0.13087,
    "h": 257.1
  },
  "luminance": 0.24162
}

Semantic roles & 50–950 ramp

primary

#5188D5

secondary

#DBC5A6

accent

#A144E4

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5188D5

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

Preview Lab → · Contrast checker → · Palette generator →