#51AFCC#51AFCC

#51AFCC is a light, moderate cyan. Relative luminance 0.368; OKLCH L 70.9% C 0.098 H 221.1°. Best body text is #000000 at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#51AFCC
RGB	rgb(81, 175, 204)
HSL	hsl(194, 55%, 56%)
HSV	hsv(194, 60%, 80%)
CMYK	cmyk(60.3%, 14.2%, 0%, 20%)
CIE-LAB	lab(67.10, -19.21, -23.07)
CIE-LCH	lch(67.10, 30.02, 230.21°)
OKLab	oklab(70.87% -0.0737 -0.0642)
OKLCH	oklch(70.87% 0.098 221.1)
XYZ	xyz(29.6181, 36.7659, 62.6507)
Luminance	0.3677 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AFCC #CC6E51

analogous

#51CCAB #51AFCC #5171CC

triadic

#51AFCC #CC51AF #AFCC51

tetradic

#51AFCC #AB51CC #CC6E51 #71CC51

square

#51AFCC #AB51CC #CC6E51 #71CC51

split-complementary

#51AFCC #CC5171 #CCAB51

monochromatic

#25697E #3390AD #51AFCC #80C5DA #B0DBE8

Accessibility & contrast

On white

2.51

#51AFCC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.35

#51AFCC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AFCC

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AFCC	#FFFFFF	#000000	##000000
##51AFCC	1.00	2.51	8.35	8.35
#FFFFFF	2.51	1.00	21.00	21.00
#000000	8.35	21.00	1.00	1.00
##000000	8.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EABCE

Deuteranopia (green-blind)

#8C9ECC

Tritanopia (blue-blind)

#00B8B8

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51afcc;
/* rgb */ color: rgb(81, 175, 204);
/* oklch */ color: oklch(70.9% 0.098 221.1);

Tailwind

colors: {
  custom: {
    50: '#8dc7db',
    500: '#51afcc',
    950: '#000000',
  },
}

SCSS

$custom: #51afcc;
$custom-light: #8dc7db;
$custom-dark: #000000;

JSON

{
  "hex": "#51afcc",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 204
  },
  "hsl": {
    "h": 194.146,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.70867,
    "c": 0.0977,
    "h": 221.1
  },
  "luminance": 0.36769
}

Semantic roles & 50–950 ramp

primary

#51AFCC

secondary

#D6AFA3

accent

#6D4ADE

background

#F9FCFD

surface

#F1F8FB

border

#CBD1D4

text

#0D1315

muted

#7E8283

Preview Lab

Preview with #51AFCC

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

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