#51CBDF#51CBDF

#51CBDF is a light, moderate teal. Relative luminance 0.498; OKLCH L 78.2% C 0.110 H 210.2°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#51CBDF
RGB	rgb(81, 203, 223)
HSL	hsl(188, 69%, 60%)
HSV	hsv(188, 64%, 87%)
CMYK	cmyk(63.7%, 9%, 0%, 12.5%)
CIE-LAB	lab(75.94, -27.73, -19.98)
CIE-LCH	lch(75.94, 34.18, 215.77°)
OKLab	oklab(78.18% -0.0954 -0.0555)
OKLCH	oklch(78.18% 0.11 210.2)
XYZ	xyz(38.0630, 49.7848, 77.4012)
Luminance	0.4979 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBDF #DF6551

analogous

#51DFAC #51CBDF #5184DF

triadic

#51CBDF #DF51CB #CBDF51

tetradic

#51CBDF #AC51DF #DF6551 #84DF51

square

#51CBDF #AC51DF #DF6551 #84DF51

split-complementary

#51CBDF #DF5184 #DFAC51

monochromatic

#1C8899 #26B6CD #51CBDF #85DAE9 #B8EAF2

Accessibility & contrast

On white

1.92

#51CBDF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#51CBDF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBDF

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBDF	#FFFFFF	#000000	##000000
##51CBDF	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC4E0

Deuteranopia (green-blind)

#A5B5DF

Tritanopia (blue-blind)

#00D4D1

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51cbdf;
/* rgb */ color: rgb(81, 203, 223);
/* oklch */ color: oklch(78.2% 0.110 210.2);

Tailwind

colors: {
  custom: {
    50: '#91dbe9',
    500: '#51cbdf',
    950: '#000000',
  },
}

SCSS

$custom: #51cbdf;
$custom-light: #91dbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbdf",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 223
  },
  "hsl": {
    "h": 188.451,
    "s": 68.932,
    "l": 59.608
  },
  "oklch": {
    "l": 0.78177,
    "c": 0.11039,
    "h": 210.2
  },
  "luminance": 0.49789
}

Semantic roles & 50–950 ramp

primary

#51CBDF

secondary

#E1B2AA

accent

#553CEC

background

#F9FDFE

surface

#F2FBFC

border

#CCD4D5

text

#0E1516

muted

#7E8384

Preview Lab

Preview with #51CBDF

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

Preview Lab → · Contrast checker → · Palette generator →