#51AED0#51AED0

#51AED0 is a light, moderate cyan. Relative luminance 0.366; OKLCH L 70.8% C 0.101 H 225.0°. Best body text is #000000 at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#51AED0
RGB	rgb(81, 174, 208)
HSL	hsl(196, 57%, 57%)
HSV	hsv(196, 61%, 82%)
CMYK	cmyk(61.1%, 16.3%, 0%, 18.4%)
CIE-LAB	lab(66.96, -17.47, -25.50)
CIE-LCH	lch(66.96, 30.91, 235.58°)
OKLab	oklab(70.8% -0.0711 -0.0711)
OKLCH	oklch(70.8% 0.101 225)
XYZ	xyz(29.9101, 36.5725, 65.1452)
Luminance	0.3658 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AED0 #D07351

analogous

#51D0B3 #51AED0 #516FD0

triadic

#51AED0 #D051AE #AED051

tetradic

#51AED0 #B351D0 #D07351 #6FD051

square

#51AED0 #B351D0 #D07351 #6FD051

split-complementary

#51AED0 #D0516F #D0B351

monochromatic

#236A83 #3090B3 #51AED0 #81C4DD #B1DBEA

Accessibility & contrast

On white

2.53

#51AED0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.32

#51AED0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AED0

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AED0	#FFFFFF	#000000	##000000
##51AED0	1.00	2.53	8.32	8.32
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.32	21.00	1.00	1.00
##000000	8.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BABD2

Deuteranopia (green-blind)

#899DD0

Tritanopia (blue-blind)

#00B8B9

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51aed0;
/* rgb */ color: rgb(81, 174, 208);
/* oklch */ color: oklch(70.8% 0.101 225.0);

Tailwind

colors: {
  custom: {
    50: '#8ec6de',
    500: '#51aed0',
    950: '#000000',
  },
}

SCSS

$custom: #51aed0;
$custom-light: #8ec6de;
$custom-dark: #000000;

JSON

{
  "hex": "#51aed0",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 208
  },
  "hsl": {
    "h": 196.063,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.70799,
    "c": 0.10052,
    "h": 225
  },
  "luminance": 0.36576
}

Semantic roles & 50–950 ramp

primary

#51AED0

secondary

#D8B2A4

accent

#7047E1

background

#F9FCFD

surface

#F2F8FB

border

#CCD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #51AED0

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

Preview Lab → · Contrast checker → · Palette generator →