#51C7DD#51C7DD

#51C7DD is a light, moderate teal. Relative luminance 0.478; OKLCH L 77.2% C 0.109 H 212.0°. Best body text is #000000 at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#51C7DD
RGB	rgb(81, 199, 221)
HSL	hsl(189, 67%, 59%)
HSV	hsv(189, 63%, 87%)
CMYK	cmyk(63.3%, 10%, 0%, 13.3%)
CIE-LAB	lab(74.71, -26.35, -20.77)
CIE-LCH	lch(74.71, 33.55, 218.25°)
OKLab	oklab(77.16% -0.0922 -0.0577)
OKLCH	oklch(77.16% 0.109 212)
XYZ	xyz(36.8625, 47.8127, 75.6787)
Luminance	0.4782 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C7DD #DD6751

analogous

#51DDAD #51C7DD #5181DD

triadic

#51C7DD #DD51C7 #C7DD51

tetradic

#51C7DD #AD51DD #DD6751 #81DD51

square

#51C7DD #AD51DD #DD6751 #81DD51

split-complementary

#51C7DD #DD5181 #DDAD51

monochromatic

#1D8396 #27B0C9 #51C7DD #84D7E7 #B7E8F1

Accessibility & contrast

On white

1.99

#51C7DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.56

#51C7DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C7DD

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C7DD	#FFFFFF	#000000	##000000
##51C7DD	1.00	1.99	10.56	10.56
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.56	21.00	1.00	1.00
##000000	10.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C1DE

Deuteranopia (green-blind)

#A1B1DD

Tritanopia (blue-blind)

#00D0CE

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51c7dd;
/* rgb */ color: rgb(81, 199, 221);
/* oklch */ color: oklch(77.2% 0.109 212.0);

Tailwind

colors: {
  custom: {
    50: '#91d8e7',
    500: '#51c7dd',
    950: '#000000',
  },
}

SCSS

$custom: #51c7dd;
$custom-light: #91d8e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51c7dd",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 221
  },
  "hsl": {
    "h": 189.429,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.77165,
    "c": 0.10872,
    "h": 212
  },
  "luminance": 0.47817
}

Semantic roles & 50–950 ramp

primary

#51C7DD

secondary

#E0B2AA

accent

#593EEA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #51C7DD

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

Preview Lab → · Contrast checker → · Palette generator →