#51ADCE#51ADCE

#51ADCE is a light, moderate cyan. Relative luminance 0.361; OKLCH L 70.5% C 0.099 H 224.5°. Best body text is #000000 at 8.22:1 contrast (WCAG AA passes).

Color values

HEX	#51ADCE
RGB	rgb(81, 173, 206)
HSL	hsl(196, 56%, 56%)
HSV	hsv(196, 61%, 81%)
CMYK	cmyk(60.7%, 16%, 0%, 19.2%)
CIE-LAB	lab(66.59, -17.56, -24.96)
CIE-LCH	lch(66.59, 30.52, 234.88°)
OKLab	oklab(70.48% -0.0708 -0.0695)
OKLCH	oklch(70.48% 0.099 224.5)
XYZ	xyz(29.4731, 36.0898, 63.7933)
Luminance	0.3609 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ADCE #CE7251

analogous

#51CEB1 #51ADCE #516FCE

triadic

#51ADCE #CE51AD #ADCE51

tetradic

#51ADCE #B151CE #CE7251 #6FCE51

square

#51ADCE #B151CE #CE7251 #6FCE51

split-complementary

#51ADCE #CE516F #CEB151

monochromatic

#246880 #328FB0 #51ADCE #81C4DB #B1DAE9

Accessibility & contrast

On white

2.56

#51ADCE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.22

#51ADCE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ADCE

8.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ADCE	#FFFFFF	#000000	##000000
##51ADCE	1.00	2.56	8.22	8.22
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.22	21.00	1.00	1.00
##000000	8.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BA9D0

Deuteranopia (green-blind)

#899CCE

Tritanopia (blue-blind)

#00B7B8

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51adce;
/* rgb */ color: rgb(81, 173, 206);
/* oklch */ color: oklch(70.5% 0.099 224.5);

Tailwind

colors: {
  custom: {
    50: '#8dc5dd',
    500: '#51adce',
    950: '#000000',
  },
}

SCSS

$custom: #51adce;
$custom-light: #8dc5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51adce",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 206
  },
  "hsl": {
    "h": 195.84,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.70481,
    "c": 0.09922,
    "h": 224.5
  },
  "luminance": 0.36093
}

Semantic roles & 50–950 ramp

primary

#51ADCE

secondary

#D7B1A4

accent

#7048DF

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #51ADCE

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

Preview Lab → · Contrast checker → · Palette generator →