#51BED8#51BED8

#51BED8 is a light, moderate cyan. Relative luminance 0.435; OKLCH L 74.9% C 0.105 H 216.2°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#51BED8
RGB	rgb(81, 190, 216)
HSL	hsl(192, 63%, 58%)
HSV	hsv(192, 63%, 85%)
CMYK	cmyk(62.5%, 12%, 0%, 15.3%)
CIE-LAB	lab(71.91, -23.32, -22.31)
CIE-LCH	lch(71.91, 32.27, 223.73°)
OKLab	oklab(74.87% -0.0848 -0.062)
OKLCH	oklch(74.87% 0.105 216.2)
XYZ	xyz(34.1964, 43.5305, 71.5525)
Luminance	0.4353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BED8 #D86B51

analogous

#51D8AF #51BED8 #517AD8

triadic

#51BED8 #D851BE #BED851

tetradic

#51BED8 #AF51D8 #D86B51 #7AD851

square

#51BED8 #AF51D8 #D86B51 #7AD851

split-complementary

#51BED8 #D8517A #D8AF51

monochromatic

#20798F #2BA4C1 #51BED8 #83D1E3 #B5E3EE

Accessibility & contrast

On white

2.16

#51BED8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#51BED8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BED8

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BED8	#FFFFFF	#000000	##000000
##51BED8	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB9D9

Deuteranopia (green-blind)

#99AAD8

Tritanopia (blue-blind)

#00C7C6

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51bed8;
/* rgb */ color: rgb(81, 190, 216);
/* oklch */ color: oklch(74.9% 0.105 216.2);

Tailwind

colors: {
  custom: {
    50: '#8fd1e4',
    500: '#51bed8',
    950: '#000000',
  },
}

SCSS

$custom: #51bed8;
$custom-light: #8fd1e4;
$custom-dark: #000000;

JSON

{
  "hex": "#51bed8",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 216
  },
  "hsl": {
    "h": 191.556,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.74865,
    "c": 0.10509,
    "h": 216.2
  },
  "luminance": 0.43534
}

Semantic roles & 50–950 ramp

primary

#51BED8

secondary

#DDB2A8

accent

#6141E6

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #51BED8

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

Preview Lab → · Contrast checker → · Palette generator →