#51C7DC#51C7DC

#51C7DC is a light, moderate teal. Relative luminance 0.478; OKLCH L 77.1% C 0.108 H 211.3°. Best body text is #000000 at 10.55:1 contrast (WCAG AA passes).

Color values

HEX	#51C7DC
RGB	rgb(81, 199, 220)
HSL	hsl(189, 67%, 59%)
HSV	hsv(189, 63%, 86%)
CMYK	cmyk(63.2%, 9.5%, 0%, 13.7%)
CIE-LAB	lab(74.67, -26.64, -20.28)
CIE-LCH	lch(74.67, 33.48, 217.28°)
OKLab	oklab(77.13% -0.0926 -0.0563)
OKLCH	oklch(77.13% 0.108 211.3)
XYZ	xyz(36.7297, 47.7596, 74.9791)
Luminance	0.4776 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C7DC #DC6651

analogous

#51DCAC #51C7DC #5182DC

triadic

#51C7DC #DC51C7 #C7DC51

tetradic

#51C7DC #AC51DC #DC6651 #82DC51

square

#51C7DC #AC51DC #DC6651 #82DC51

split-complementary

#51C7DC #DC5182 #DCAC51

monochromatic

#1E8395 #28B0C8 #51C7DC #84D7E6 #B7E8F0

Accessibility & contrast

On white

1.99

#51C7DC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.55

#51C7DC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C7DC

10.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C7DC	#FFFFFF	#000000	##000000
##51C7DC	1.00	1.99	10.55	10.55
#FFFFFF	1.99	1.00	21.00	21.00
#000000	10.55	21.00	1.00	1.00
##000000	10.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6C0DD

Deuteranopia (green-blind)

#A1B1DC

Tritanopia (blue-blind)

#00D0CD

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51c7dc;
/* rgb */ color: rgb(81, 199, 220);
/* oklch */ color: oklch(77.1% 0.108 211.3);

Tailwind

colors: {
  custom: {
    50: '#91d8e6',
    500: '#51c7dc',
    950: '#000000',
  },
}

SCSS

$custom: #51c7dc;
$custom-light: #91d8e6;
$custom-dark: #000000;

JSON

{
  "hex": "#51c7dc",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 220
  },
  "hsl": {
    "h": 189.065,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.77127,
    "c": 0.10834,
    "h": 211.3
  },
  "luminance": 0.47763
}

Semantic roles & 50–950 ramp

primary

#51C7DC

secondary

#E0B1A9

accent

#583EE9

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #51C7DC

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

Preview Lab → · Contrast checker → · Palette generator →