#51CAEB#51CAEB

#51CAEB is a light, moderate cyan. Relative luminance 0.500; OKLCH L 78.4% C 0.116 H 219.2°. Best body text is #000000 at 11.00:1 contrast (WCAG AA passes).

Color values

HEX	#51CAEB
RGB	rgb(81, 202, 235)
HSL	hsl(193, 79%, 62%)
HSV	hsv(193, 66%, 92%)
CMYK	cmyk(65.5%, 14%, 0%, 7.8%)
CIE-LAB	lab(76.06, -23.67, -26.26)
CIE-LCH	lch(76.06, 35.35, 227.96°)
OKLab	oklab(78.41% -0.0898 -0.0732)
OKLCH	oklch(78.41% 0.116 219.2)
XYZ	xyz(39.5031, 49.9842, 86.1472)
Luminance	0.4999 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CAEB #EB7251

analogous

#51EBBF #51CAEB #517DEB

triadic

#51CAEB #EB51CA #CAEB51

tetradic

#51CAEB #BF51EB #EB7251 #7DEB51

square

#51CAEB #BF51EB #EB7251 #7DEB51

split-complementary

#51CAEB #EB517D #EBBF51

monochromatic

#148DAE #1AB9E5 #51CAEB #88DBF1 #BFEBF8

Accessibility & contrast

On white

1.91

#51CAEB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.00

#51CAEB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CAEB

11.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CAEB	#FFFFFF	#000000	##000000
##51CAEB	1.00	1.91	11.00	11.00
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.00	21.00	1.00	1.00
##000000	11.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5C5ED

Deuteranopia (green-blind)

#A0B5EB

Tritanopia (blue-blind)

#00D5D4

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51caeb;
/* rgb */ color: rgb(81, 202, 235);
/* oklch */ color: oklch(78.4% 0.116 219.2);

Tailwind

colors: {
  custom: {
    50: '#92daf1',
    500: '#51caeb',
    950: '#000000',
  },
}

SCSS

$custom: #51caeb;
$custom-light: #92daf1;
$custom-dark: #000000;

JSON

{
  "hex": "#51caeb",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 235
  },
  "hsl": {
    "h": 192.857,
    "s": 79.381,
    "l": 61.961
  },
  "oklch": {
    "l": 0.78412,
    "c": 0.11582,
    "h": 219.2
  },
  "luminance": 0.49989
}

Semantic roles & 50–950 ramp

primary

#51CAEB

secondary

#E8BCB0

accent

#370ADC

background

#F9FDFE

surface

#F2FAFD

border

#CCD3D5

text

#0E1516

muted

#7E8384

Preview Lab

Preview with #51CAEB

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

Preview Lab → · Contrast checker → · Palette generator →