#51DBEE#51DBEE

#51DBEE is a very light, moderate teal. Relative luminance 0.586; OKLCH L 82.5% C 0.120 H 208.0°. Best body text is #000000 at 12.72:1 contrast (WCAG AA passes).

Color values

HEX	#51DBEE
RGB	rgb(81, 219, 238)
HSL	hsl(187, 82%, 63%)
HSV	hsv(187, 66%, 93%)
CMYK	cmyk(66%, 8%, 0%, 6.7%)
CIE-LAB	lab(81.06, -31.13, -20.25)
CIE-LCH	lch(81.06, 37.14, 213.04°)
OKLab	oklab(82.47% -0.1055 -0.0562)
OKLCH	oklch(82.47% 0.12 208)
XYZ	xyz(44.1509, 58.5805, 89.8527)
Luminance	0.5858 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DBEE #EE6451

analogous

#51EEB2 #51DBEE #518DEE

triadic

#51DBEE #EE51DB #DBEE51

tetradic

#51DBEE #B251EE #EE6451 #8DEE51

square

#51DBEE #B251EE #EE6451 #8DEE51

split-complementary

#51DBEE #EE518D #EEB251

monochromatic

#11A0B3 #19CFE9 #51DBEE #89E7F3 #C1F2F9

Accessibility & contrast

On white

1.65

#51DBEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.72

#51DBEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DBEE

12.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DBEE	#FFFFFF	#000000	##000000
##51DBEE	1.00	1.65	12.72	12.72
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.72	21.00	1.00	1.00
##000000	12.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9D3EF

Deuteranopia (green-blind)

#B2C2EE

Tritanopia (blue-blind)

#00E4E1

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51dbee;
/* rgb */ color: rgb(81, 219, 238);
/* oklch */ color: oklch(82.5% 0.120 208.0);

Tailwind

colors: {
  custom: {
    50: '#94e6f3',
    500: '#51dbee',
    950: '#000000',
  },
}

SCSS

$custom: #51dbee;
$custom-light: #94e6f3;
$custom-dark: #000000;

JSON

{
  "hex": "#51dbee",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 238
  },
  "hsl": {
    "h": 187.261,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.82468,
    "c": 0.11956,
    "h": 208
  },
  "luminance": 0.58585
}

Semantic roles & 50–950 ramp

primary

#51DBEE

secondary

#B34030

accent

#2107DF

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0F1617

muted

#808485

Preview Lab

Preview with #51DBEE

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

Preview Lab → · Contrast checker → · Palette generator →