#51ABCE#51ABCE

#51ABCE is a light, moderate cyan. Relative luminance 0.353; OKLCH L 70.0% C 0.100 H 226.4°. Best body text is #000000 at 8.07:1 contrast (WCAG AA passes).

Color values

HEX	#51ABCE
RGB	rgb(81, 171, 206)
HSL	hsl(197, 56%, 56%)
HSV	hsv(197, 61%, 81%)
CMYK	cmyk(60.7%, 17%, 0%, 19.2%)
CIE-LAB	lab(66.00, -16.50, -25.86)
CIE-LCH	lch(66.00, 30.67, 237.46°)
OKLab	oklab(70.01% -0.0686 -0.0721)
OKLCH	oklch(70.01% 0.1 226.4)
XYZ	xyz(29.0925, 35.3285, 63.6665)
Luminance	0.3533 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABCE #CE7451

analogous

#51CEB3 #51ABCE #516DCE

triadic

#51ABCE #CE51AB #ABCE51

tetradic

#51ABCE #B351CE #CE7451 #6DCE51

square

#51ABCE #B351CE #CE7451 #6DCE51

split-complementary

#51ABCE #CE516D #CEB351

monochromatic

#246780 #328DB0 #51ABCE #81C2DB #B1D9E9

Accessibility & contrast

On white

2.60

#51ABCE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.07

#51ABCE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABCE

8.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABCE	#FFFFFF	#000000	##000000
##51ABCE	1.00	2.60	8.07	8.07
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.07	21.00	1.00	1.00
##000000	8.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98A8D0

Deuteranopia (green-blind)

#869BCE

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51abce;
/* rgb */ color: rgb(81, 171, 206);
/* oklch */ color: oklch(70.0% 0.100 226.4);

Tailwind

colors: {
  custom: {
    50: '#8dc4dd',
    500: '#51abce',
    950: '#000000',
  },
}

SCSS

$custom: #51abce;
$custom-light: #8dc4dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51abce",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 206
  },
  "hsl": {
    "h": 196.8,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.70014,
    "c": 0.09954,
    "h": 226.4
  },
  "luminance": 0.35331
}

Semantic roles & 50–950 ramp

primary

#51ABCE

secondary

#D7B2A4

accent

#7348DF

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51ABCE

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

Preview Lab → · Contrast checker → · Palette generator →