#5188CD#5188CD

#5188CD is a mid, vivid cyan. Relative luminance 0.238; OKLCH L 62.0% C 0.120 H 254.9°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#5188CD
RGB	rgb(81, 136, 205)
HSL	hsl(213, 55%, 56%)
HSV	hsv(213, 60%, 80%)
CMYK	cmyk(60.5%, 33.7%, 0%, 19.6%)
CIE-LAB	lab(55.85, 2.84, -41.09)
CIE-LCH	lch(55.85, 41.19, 273.95°)
OKLab	oklab(61.97% -0.0313 -0.1162)
OKLCH	oklch(61.97% 0.12 254.9)
XYZ	xyz(23.2130, 23.7633, 61.1093)
Luminance	0.2377 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5188CD #CD9651

analogous

#51C6CD #5188CD #5851CD

triadic

#5188CD #CD5188 #88CD51

tetradic

#5188CD #CD51C6 #CD9651 #51CD58

square

#5188CD #CD51C6 #CD9651 #51CD58

split-complementary

#5188CD #CD5851 #C6CD51

monochromatic

#254D7F #3269AF #5188CD #81A9DB #B0C9E8

Accessibility & contrast

On white

3.65

#5188CD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#5188CD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5188CD

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5188CD	#FFFFFF	#000000	##000000
##5188CD	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B8CD0

Deuteranopia (green-blind)

#5A80CC

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #5188cd;
/* rgb */ color: rgb(81, 136, 205);
/* oklch */ color: oklch(62.0% 0.120 254.9);

Tailwind

colors: {
  custom: {
    50: '#8caadc',
    500: '#5188cd',
    950: '#000000',
  },
}

SCSS

$custom: #5188cd;
$custom-light: #8caadc;
$custom-dark: #000000;

JSON

{
  "hex": "#5188cd",
  "rgb": {
    "r": 81,
    "g": 136,
    "b": 205
  },
  "hsl": {
    "h": 213.387,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.61973,
    "c": 0.12037,
    "h": 254.9
  },
  "luminance": 0.23765
}

Semantic roles & 50–950 ramp

primary

#5188CD

secondary

#D7C0A3

accent

#9C49DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5188CD

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

Preview Lab → · Contrast checker → · Palette generator →