#51AFE2#51AFE2

#51AFE2 is a light, moderate cyan. Relative luminance 0.379; OKLCH L 71.8% C 0.116 H 235.3°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#51AFE2
RGB	rgb(81, 175, 226)
HSL	hsl(201, 71%, 60%)
HSV	hsv(201, 64%, 89%)
CMYK	cmyk(64.2%, 22.6%, 0%, 11.4%)
CIE-LAB	lab(67.94, -12.39, -33.87)
CIE-LCH	lch(67.94, 36.07, 249.91°)
OKLab	oklab(71.82% -0.0657 -0.095)
OKLCH	oklch(71.82% 0.116 235.3)
XYZ	xyz(32.4455, 37.8969, 77.5417)
Luminance	0.3790 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AFE2 #E28451

analogous

#51E2CC #51AFE2 #5167E2

triadic

#51AFE2 #E251AF #AFE251

tetradic

#51AFE2 #CC51E2 #E28451 #67E251

square

#51AFE2 #CC51E2 #E28451 #67E251

split-complementary

#51AFE2 #E25167 #E2CC51

monochromatic

#1A709E #2395D3 #51AFE2 #85C7EB #BADFF3

Accessibility & contrast

On white

2.45

#51AFE2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#51AFE2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AFE2

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AFE2	#FFFFFF	#000000	##000000
##51AFE2	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#97AEE4

Deuteranopia (green-blind)

#839FE1

Tritanopia (blue-blind)

#00BCC0

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51afe2;
/* rgb */ color: rgb(81, 175, 226);
/* oklch */ color: oklch(71.8% 0.116 235.3);

Tailwind

colors: {
  custom: {
    50: '#90c6eb',
    500: '#51afe2',
    950: '#000000',
  },
}

SCSS

$custom: #51afe2;
$custom-light: #90c6eb;
$custom-dark: #000000;

JSON

{
  "hex": "#51afe2",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 226
  },
  "hsl": {
    "h": 201.103,
    "s": 71.429,
    "l": 60.196
  },
  "oklch": {
    "l": 0.71819,
    "c": 0.11553,
    "h": 235.3
  },
  "luminance": 0.379
}

Semantic roles & 50–950 ramp

primary

#51AFE2

secondary

#E3BFAC

accent

#5612D3

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #51AFE2

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

Preview Lab → · Contrast checker → · Palette generator →