#5188CF#5188CF

#5188CF is a light, vivid cyan. Relative luminance 0.239; OKLCH L 62.1% C 0.123 H 255.5°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#5188CF
RGB	rgb(81, 136, 207)
HSL	hsl(214, 57%, 56%)
HSV	hsv(214, 61%, 81%)
CMYK	cmyk(60.9%, 34.3%, 0%, 18.8%)
CIE-LAB	lab(55.95, 3.50, -42.07)
CIE-LCH	lch(55.95, 42.21, 274.76°)
OKLab	oklab(62.08% -0.0308 -0.1191)
OKLCH	oklch(62.08% 0.123 255.5)
XYZ	xyz(23.4560, 23.8605, 62.3888)
Luminance	0.2386 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188CF #CF9851

analogous

#51C7CF #5188CF #5951CF

triadic

#5188CF #CF5188 #88CF51

tetradic

#5188CF #CF51C7 #CF9851 #51CF59

square

#5188CF #CF51C7 #CF9851 #51CF59

split-complementary

#5188CF #CF5951 #C7CF51

monochromatic

#244D82 #3169B2 #5188CF #81A9DC #B1CAE9

Accessibility & contrast

On white

3.64

#5188CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#5188CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188CF

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188CF	#FFFFFF	#000000	##000000
##5188CF	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8DD2

Deuteranopia (green-blind)

#5981CE

Tritanopia (blue-blind)

#0098A2

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5188cf;
/* rgb */ color: rgb(81, 136, 207);
/* oklch */ color: oklch(62.1% 0.123 255.5);

Tailwind

colors: {
  custom: {
    50: '#8caade',
    500: '#5188cf',
    950: '#000000',
  },
}

SCSS

$custom: #5188cf;
$custom-light: #8caade;
$custom-dark: #000000;

JSON

{
  "hex": "#5188cf",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 207
  },
  "hsl": {
    "h": 213.81,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.62081,
    "c": 0.12298,
    "h": 255.5
  },
  "luminance": 0.23863
}

Semantic roles & 50–950 ramp

primary

#5188CF

secondary

#D8C1A4

accent

#9E48E0

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5188CF

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

Preview Lab → · Contrast checker → · Palette generator →