#51AFDE#51AFDE

#51AFDE is a light, moderate cyan. Relative luminance 0.377; OKLCH L 71.6% C 0.112 H 233.1°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#51AFDE
RGB	rgb(81, 175, 222)
HSL	hsl(200, 68%, 59%)
HSV	hsv(200, 64%, 87%)
CMYK	cmyk(63.5%, 21.2%, 0%, 12.9%)
CIE-LAB	lab(67.78, -13.65, -31.93)
CIE-LCH	lch(67.78, 34.72, 246.84°)
OKLab	oklab(71.64% -0.0671 -0.0894)
OKLCH	oklch(71.64% 0.112 233.1)
XYZ	xyz(31.9030, 37.6799, 74.6847)
Luminance	0.3768 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AFDE #DE8051

analogous

#51DEC7 #51AFDE #5169DE

triadic

#51AFDE #DE51AF #AFDE51

tetradic

#51AFDE #C751DE #DE8051 #69DE51

square

#51AFDE #C751DE #DE8051 #69DE51

split-complementary

#51AFDE #DE5169 #DEC751

monochromatic

#1D6F98 #2794CB #51AFDE #84C7E8 #B8DEF2

Accessibility & contrast

On white

2.46

#51AFDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#51AFDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AFDE

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AFDE	#FFFFFF	#000000	##000000
##51AFDE	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98ADE0

Deuteranopia (green-blind)

#859FDD

Tritanopia (blue-blind)

#00BCBF

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51afde;
/* rgb */ color: rgb(81, 175, 222);
/* oklch */ color: oklch(71.6% 0.112 233.1);

Tailwind

colors: {
  custom: {
    50: '#8fc6e8',
    500: '#51afde',
    950: '#000000',
  },
}

SCSS

$custom: #51afde;
$custom-light: #8fc6e8;
$custom-dark: #000000;

JSON

{
  "hex": "#51afde",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 222
  },
  "hsl": {
    "h": 200,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.71638,
    "c": 0.1118,
    "h": 233.1
  },
  "luminance": 0.37683
}

Semantic roles & 50–950 ramp

primary

#51AFDE

secondary

#E1BCAA

accent

#773DEB

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #51AFDE

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

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