#51ABCC#51ABCC

#51ABCC is a light, moderate cyan. Relative luminance 0.352; OKLCH L 69.9% C 0.098 H 225.0°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#51ABCC
RGB	rgb(81, 171, 204)
HSL	hsl(196, 55%, 56%)
HSV	hsv(196, 60%, 80%)
CMYK	cmyk(60.3%, 16.2%, 0%, 20%)
CIE-LAB	lab(65.93, -17.11, -24.87)
CIE-LCH	lch(65.93, 30.18, 235.46°)
OKLab	oklab(69.93% -0.0694 -0.0693)
OKLCH	oklch(69.93% 0.098 225)
XYZ	xyz(28.8510, 35.2319, 62.3950)
Luminance	0.3523 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABCC #CC7251

analogous

#51CCB0 #51ABCC #516DCC

triadic

#51ABCC #CC51AB #ABCC51

tetradic

#51ABCC #B051CC #CC7251 #6DCC51

square

#51ABCC #B051CC #CC7251 #6DCC51

split-complementary

#51ABCC #CC516D #CCB051

monochromatic

#25667E #338CAD #51ABCC #80C2DA #B0D9E8

Accessibility & contrast

On white

2.61

#51ABCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#51ABCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABCC

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABCC	#FFFFFF	#000000	##000000
##51ABCC	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99A8CE

Deuteranopia (green-blind)

#879BCC

Tritanopia (blue-blind)

#00B5B6

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51abcc;
/* rgb */ color: rgb(81, 171, 204);
/* oklch */ color: oklch(69.9% 0.098 225.0);

Tailwind

colors: {
  custom: {
    50: '#8dc4db',
    500: '#51abcc',
    950: '#000000',
  },
}

SCSS

$custom: #51abcc;
$custom-light: #8dc4db;
$custom-dark: #000000;

JSON

{
  "hex": "#51abcc",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 204
  },
  "hsl": {
    "h": 196.098,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.6993,
    "c": 0.09804,
    "h": 225
  },
  "luminance": 0.35235
}

Semantic roles & 50–950 ramp

primary

#51ABCC

secondary

#D6B1A3

accent

#724ADE

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51ABCC

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

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