#5181C0#5181C0

#5181C0 is a mid, moderate cyan. Relative luminance 0.213; OKLCH L 59.7% C 0.110 H 255.7°. Best body text is #000000 at 5.25:1 contrast (WCAG AA passes).

Color values

HEX	#5181C0
RGB	rgb(81, 129, 192)
HSL	hsl(214, 47%, 54%)
HSV	hsv(214, 58%, 75%)
CMYK	cmyk(57.8%, 32.8%, 0%, 24.7%)
CIE-LAB	lab(53.23, 2.70, -37.84)
CIE-LCH	lch(53.23, 37.94, 274.08°)
OKLab	oklab(59.72% -0.0272 -0.1068)
OKLCH	oklch(59.72% 0.11 255.7)
XYZ	xyz(20.7547, 21.2538, 52.8676)
Luminance	0.2126 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5181C0 #C09051

analogous

#51B8C0 #5181C0 #5851C0

triadic

#5181C0 #C05181 #81C051

tetradic

#5181C0 #C051B8 #C09051 #51C058

square

#5181C0 #C051B8 #C09051 #51C058

split-complementary

#5181C0 #C05851 #B8C051

monochromatic

#28476F #38639B #5181C0 #7EA2D0 #ABC2E1

Accessibility & contrast

On white

4.00

#5181C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.25

#5181C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5181C0

5.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5181C0	#FFFFFF	#000000	##000000
##5181C0	1.00	4.00	5.25	5.25
#FFFFFF	4.00	1.00	21.00	21.00
#000000	5.25	21.00	1.00	1.00
##000000	5.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6785C3

Deuteranopia (green-blind)

#597ABF

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #5181c0;
/* rgb */ color: rgb(81, 129, 192);
/* oklch */ color: oklch(59.7% 0.110 255.7);

Tailwind

colors: {
  custom: {
    50: '#8aa5d3',
    500: '#5181c0',
    950: '#000000',
  },
}

SCSS

$custom: #5181c0;
$custom-light: #8aa5d3;
$custom-dark: #000000;

JSON

{
  "hex": "#5181c0",
  "rgb": {
    "r": 81,
    "g": 129,
    "b": 192
  },
  "hsl": {
    "h": 214.054,
    "s": 46.835,
    "l": 53.529
  },
  "oklch": {
    "l": 0.59716,
    "c": 0.11021,
    "h": 255.7
  },
  "luminance": 0.21256
}

Semantic roles & 50–950 ramp

primary

#5181C0

secondary

#CEBA9F

accent

#9D51D6

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #5181C0

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

Preview Lab → · Contrast checker → · Palette generator →