#51CBDD#51CBDD

#51CBDD is a light, moderate teal. Relative luminance 0.497; OKLCH L 78.1% C 0.110 H 208.7°. Best body text is #000000 at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#51CBDD
RGB	rgb(81, 203, 221)
HSL	hsl(188, 67%, 59%)
HSV	hsv(188, 63%, 87%)
CMYK	cmyk(63.3%, 8.1%, 0%, 13.3%)
CIE-LAB	lab(75.87, -28.32, -19.00)
CIE-LCH	lch(75.87, 34.10, 213.87°)
OKLab	oklab(78.1% -0.0962 -0.0527)
OKLCH	oklch(78.1% 0.11 208.7)
XYZ	xyz(37.7949, 49.6776, 75.9895)
Luminance	0.4968 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBDD #DD6351

analogous

#51DDA9 #51CBDD #5185DD

triadic

#51CBDD #DD51CB #CBDD51

tetradic

#51CBDD #A951DD #DD6351 #85DD51

square

#51CBDD #A951DD #DD6351 #85DD51

split-complementary

#51CBDD #DD5185 #DDA951

monochromatic

#1D8796 #27B5C9 #51CBDD #84DAE7 #B7EAF1

Accessibility & contrast

On white

1.92

#51CBDD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.94

#51CBDD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBDD

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBDD	#FFFFFF	#000000	##000000
##51CBDD	1.00	1.92	10.94	10.94
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.94	21.00	1.00	1.00
##000000	10.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC4DE

Deuteranopia (green-blind)

#A6B4DD

Tritanopia (blue-blind)

#00D4D0

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51cbdd;
/* rgb */ color: rgb(81, 203, 221);
/* oklch */ color: oklch(78.1% 0.110 208.7);

Tailwind

colors: {
  custom: {
    50: '#91dbe7',
    500: '#51cbdd',
    950: '#000000',
  },
}

SCSS

$custom: #51cbdd;
$custom-light: #91dbe7;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbdd",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 221
  },
  "hsl": {
    "h": 187.714,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.78102,
    "c": 0.10974,
    "h": 208.7
  },
  "luminance": 0.49682
}

Semantic roles & 50–950 ramp

primary

#51CBDD

secondary

#E0B1AA

accent

#543EEA

background

#F9FDFE

surface

#F2FBFC

border

#CCD4D5

text

#0E1516

muted

#7E8384

Preview Lab

Preview with #51CBDD

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

Preview Lab → · Contrast checker → · Palette generator →