#5187CE#5187CE

#5187CE is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.8% C 0.123 H 255.8°. Best body text is #000000 at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#5187CE
RGB	rgb(81, 135, 206)
HSL	hsl(214, 56%, 56%)
HSV	hsv(214, 61%, 81%)
CMYK	cmyk(60.7%, 34.5%, 0%, 19.2%)
CIE-LAB	lab(55.62, 3.76, -42.03)
CIE-LCH	lch(55.62, 42.20, 275.12°)
OKLab	oklab(61.81% -0.03 -0.1189)
OKLCH	oklch(61.81% 0.123 255.8)
XYZ	xyz(23.1939, 23.5314, 61.7003)
Luminance	0.2353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5187CE #CE9851

analogous

#51C6CE #5187CE #5A51CE

triadic

#5187CE #CE5187 #87CE51

tetradic

#5187CE #CE51C6 #CE9851 #51CE5A

square

#5187CE #CE51C6 #CE9851 #51CE5A

split-complementary

#5187CE #CE5A51 #C6CE51

monochromatic

#244C80 #3268B0 #5187CE #81A8DB #B1C9E9

Accessibility & contrast

On white

3.68

#5187CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.71

#5187CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5187CE

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5187CE	#FFFFFF	#000000	##000000
##5187CE	1.00	3.68	5.71	5.71
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.71	21.00	1.00	1.00
##000000	5.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698CD1

Deuteranopia (green-blind)

#5880CD

Tritanopia (blue-blind)

#0097A1

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #5187ce;
/* rgb */ color: rgb(81, 135, 206);
/* oklch */ color: oklch(61.8% 0.123 255.8);

Tailwind

colors: {
  custom: {
    50: '#8ca9dd',
    500: '#5187ce',
    950: '#000000',
  },
}

SCSS

$custom: #5187ce;
$custom-light: #8ca9dd;
$custom-dark: #000000;

JSON

{
  "hex": "#5187ce",
  "rgb": {
    "r": 81,
    "g": 135,
    "b": 206
  },
  "hsl": {
    "h": 214.08,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.61806,
    "c": 0.12267,
    "h": 255.8
  },
  "luminance": 0.23534
}

Semantic roles & 50–950 ramp

primary

#5187CE

secondary

#D7C1A4

accent

#9E48DF

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D0F15

muted

#7E7F83

Preview Lab

Preview with #5187CE

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

Preview Lab → · Contrast checker → · Palette generator →