#51CBDB#51CBDB

#51CBDB is a light, moderate teal. Relative luminance 0.496; OKLCH L 78.0% C 0.109 H 207.2°. Best body text is #000000 at 10.92:1 contrast (WCAG AA passes).

Color values

HEX	#51CBDB
RGB	rgb(81, 203, 219)
HSL	hsl(187, 66%, 59%)
HSV	hsv(187, 63%, 86%)
CMYK	cmyk(63%, 7.3%, 0%, 14.1%)
CIE-LAB	lab(75.81, -28.90, -18.03)
CIE-LCH	lch(75.81, 34.06, 211.96°)
OKLab	oklab(78.03% -0.097 -0.05)
OKLCH	oklch(78.03% 0.109 207.2)
XYZ	xyz(37.5301, 49.5716, 74.5945)
Luminance	0.4958 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBDB #DB6151

analogous

#51DBA6 #51CBDB #5186DB

triadic

#51CBDB #DB51CB #CBDB51

tetradic

#51CBDB #A651DB #DB6151 #86DB51

square

#51CBDB #A651DB #DB6151 #86DB51

split-complementary

#51CBDB #DB5186 #DBA651

monochromatic

#1E8693 #29B4C6 #51CBDB #84DAE5 #B6E9F0

Accessibility & contrast

On white

1.92

#51CBDB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.92

#51CBDB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBDB

10.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBDB	#FFFFFF	#000000	##000000
##51CBDB	1.00	1.92	10.92	10.92
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.92	21.00	1.00	1.00
##000000	10.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC4DC

Deuteranopia (green-blind)

#A6B4DB

Tritanopia (blue-blind)

#00D3D0

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51cbdb;
/* rgb */ color: rgb(81, 203, 219);
/* oklch */ color: oklch(78.0% 0.109 207.2);

Tailwind

colors: {
  custom: {
    50: '#91dbe6',
    500: '#51cbdb',
    950: '#000000',
  },
}

SCSS

$custom: #51cbdb;
$custom-light: #91dbe6;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbdb",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 219
  },
  "hsl": {
    "h": 186.957,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.78028,
    "c": 0.10916,
    "h": 207.2
  },
  "luminance": 0.49576
}

Semantic roles & 50–950 ramp

primary

#51CBDB

secondary

#DFAFA9

accent

#533FE9

background

#F9FDFE

surface

#F2FBFC

border

#CCD4D5

text

#0E1515

muted

#7E8384

Preview Lab

Preview with #51CBDB

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

Preview Lab → · Contrast checker → · Palette generator →