#51ACCC#51ACCC

#51ACCC is a light, moderate cyan. Relative luminance 0.356; OKLCH L 70.2% C 0.098 H 224.0°. Best body text is #000000 at 8.12:1 contrast (WCAG AA passes).

Color values

HEX	#51ACCC
RGB	rgb(81, 172, 204)
HSL	hsl(196, 55%, 56%)
HSV	hsv(196, 60%, 80%)
CMYK	cmyk(60.3%, 15.7%, 0%, 20%)
CIE-LAB	lab(66.22, -17.64, -24.42)
CIE-LCH	lch(66.22, 30.12, 234.15°)
OKLab	oklab(70.16% -0.0705 -0.068)
OKLCH	oklch(70.16% 0.098 224)
XYZ	xyz(29.0407, 35.6111, 62.4582)
Luminance	0.3561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACCC #CC7151

analogous

#51CCAF #51ACCC #516ECC

triadic

#51ACCC #CC51AC #ACCC51

tetradic

#51ACCC #AF51CC #CC7151 #6ECC51

square

#51ACCC #AF51CC #CC7151 #6ECC51

split-complementary

#51ACCC #CC516E #CCAF51

monochromatic

#25677E #338DAD #51ACCC #80C3DA #B0D9E8

Accessibility & contrast

On white

2.59

#51ACCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.12

#51ACCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACCC

8.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACCC	#FFFFFF	#000000	##000000
##51ACCC	1.00	2.59	8.12	8.12
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.12	21.00	1.00	1.00
##000000	8.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AA8CE

Deuteranopia (green-blind)

#889BCC

Tritanopia (blue-blind)

#00B6B6

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51accc;
/* rgb */ color: rgb(81, 172, 204);
/* oklch */ color: oklch(70.2% 0.098 224.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51accc",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 204
  },
  "hsl": {
    "h": 195.61,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.70164,
    "c": 0.09791,
    "h": 224
  },
  "luminance": 0.35614
}

Semantic roles & 50–950 ramp

primary

#51ACCC

secondary

#D6B0A3

accent

#704ADE

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1215

muted

#7E8183

Preview Lab

Preview with #51ACCC

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

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