#51AECE#51AECE

#51AECE is a light, moderate cyan. Relative luminance 0.365; OKLCH L 70.7% C 0.099 H 223.5°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#51AECE
RGB	rgb(81, 174, 206)
HSL	hsl(195, 56%, 56%)
HSV	hsv(195, 61%, 81%)
CMYK	cmyk(60.7%, 15.5%, 0%, 19.2%)
CIE-LAB	lab(66.88, -18.08, -24.51)
CIE-LCH	lch(66.88, 30.46, 233.58°)
OKLab	oklab(70.71% -0.0718 -0.0683)
OKLCH	oklch(70.71% 0.099 223.5)
XYZ	xyz(29.6656, 36.4747, 63.8575)
Luminance	0.3648 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AECE #CE7151

analogous

#51CEB0 #51AECE #5170CE

triadic

#51AECE #CE51AE #AECE51

tetradic

#51AECE #B051CE #CE7151 #70CE51

square

#51AECE #B051CE #CE7151 #70CE51

split-complementary

#51AECE #CE5170 #CEB051

monochromatic

#246980 #3290B0 #51AECE #81C4DB #B1DAE9

Accessibility & contrast

On white

2.53

#51AECE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#51AECE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AECE

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AECE	#FFFFFF	#000000	##000000
##51AECE	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CAAD0

Deuteranopia (green-blind)

#8A9DCE

Tritanopia (blue-blind)

#00B8B8

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51aece;
/* rgb */ color: rgb(81, 174, 206);
/* oklch */ color: oklch(70.7% 0.099 223.5);

Tailwind

colors: {
  custom: {
    50: '#8dc6dd',
    500: '#51aece',
    950: '#000000',
  },
}

SCSS

$custom: #51aece;
$custom-light: #8dc6dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51aece",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 206
  },
  "hsl": {
    "h": 195.36,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.70715,
    "c": 0.0991,
    "h": 223.5
  },
  "luminance": 0.36478
}

Semantic roles & 50–950 ramp

primary

#51AECE

secondary

#D7B1A4

accent

#6F48DF

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #51AECE

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

Preview Lab → · Contrast checker → · Palette generator →