#51DBE9#51DBE9

#51DBE9 is a very light, moderate teal. Relative luminance 0.583; OKLCH L 82.3% C 0.118 H 204.7°. Best body text is #000000 at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#51DBE9
RGB	rgb(81, 219, 233)
HSL	hsl(186, 78%, 62%)
HSV	hsv(186, 65%, 91%)
CMYK	cmyk(65.2%, 6%, 0%, 8.6%)
CIE-LAB	lab(80.90, -32.57, -17.83)
CIE-LCH	lch(80.90, 37.13, 208.70°)
OKLab	oklab(82.29% -0.1075 -0.0495)
OKLCH	oklch(82.29% 0.118 204.7)
XYZ	xyz(43.4265, 58.2907, 86.0376)
Luminance	0.5830 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DBE9 #E95F51

analogous

#51E9AB #51DBE9 #518FE9

triadic

#51DBE9 #E951DB #DBE951

tetradic

#51DBE9 #AB51E9 #E95F51 #8FE951

square

#51DBE9 #AB51E9 #E95F51 #8FE951

split-complementary

#51DBE9 #E9518F #E9AB51

monochromatic

#169CAA #1CCEE0 #51DBE9 #87E6F0 #BEF1F7

Accessibility & contrast

On white

1.66

#51DBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.66

#51DBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DBE9

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DBE9	#FFFFFF	#000000	##000000
##51DBE9	1.00	1.66	12.66	12.66
#FFFFFF	1.66	1.00	21.00	21.00
#000000	12.66	21.00	1.00	1.00
##000000	12.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAD2EA

Deuteranopia (green-blind)

#B4C2EA

Tritanopia (blue-blind)

#00E4DF

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51dbe9;
/* rgb */ color: rgb(81, 219, 233);
/* oklch */ color: oklch(82.3% 0.118 204.7);

Tailwind

colors: {
  custom: {
    50: '#94e6f0',
    500: '#51dbe9',
    950: '#000000',
  },
}

SCSS

$custom: #51dbe9;
$custom-light: #94e6f0;
$custom-dark: #000000;

JSON

{
  "hex": "#51dbe9",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 233
  },
  "hsl": {
    "h": 185.526,
    "s": 77.551,
    "l": 61.569
  },
  "oklch": {
    "l": 0.82285,
    "c": 0.11835,
    "h": 204.7
  },
  "luminance": 0.58296
}

Semantic roles & 50–950 ramp

primary

#51DBE9

secondary

#AB3E33

accent

#1F0CDA

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1616

muted

#808485

Preview Lab

Preview with #51DBE9

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

Preview Lab → · Contrast checker → · Palette generator →