#51CBDE#51CBDE

#51CBDE is a light, moderate teal. Relative luminance 0.497; OKLCH L 78.1% C 0.110 H 209.4°. Best body text is #000000 at 10.95:1 contrast (WCAG AA passes).

Color values

HEX	#51CBDE
RGB	rgb(81, 203, 222)
HSL	hsl(188, 68%, 59%)
HSV	hsv(188, 64%, 87%)
CMYK	cmyk(63.5%, 8.6%, 0%, 12.9%)
CIE-LAB	lab(75.90, -28.03, -19.49)
CIE-LCH	lch(75.90, 34.14, 214.82°)
OKLab	oklab(78.14% -0.0958 -0.0541)
OKLCH	oklch(78.14% 0.11 209.4)
XYZ	xyz(37.9286, 49.7310, 76.6932)
Luminance	0.4974 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBDE #DE6451

analogous

#51DEAB #51CBDE #5185DE

triadic

#51CBDE #DE51CB #CBDE51

tetradic

#51CBDE #AB51DE #DE6451 #85DE51

square

#51CBDE #AB51DE #DE6451 #85DE51

split-complementary

#51CBDE #DE5185 #DEAB51

monochromatic

#1D8798 #27B5CB #51CBDE #84DAE8 #B8EAF2

Accessibility & contrast

On white

1.92

#51CBDE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.95

#51CBDE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBDE

10.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBDE	#FFFFFF	#000000	##000000
##51CBDE	1.00	1.92	10.95	10.95
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.95	21.00	1.00	1.00
##000000	10.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAC4DF

Deuteranopia (green-blind)

#A5B5DE

Tritanopia (blue-blind)

#00D4D1

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51cbde;
/* rgb */ color: rgb(81, 203, 222);
/* oklch */ color: oklch(78.1% 0.110 209.4);

Tailwind

colors: {
  custom: {
    50: '#91dbe8',
    500: '#51cbde',
    950: '#000000',
  },
}

SCSS

$custom: #51cbde;
$custom-light: #91dbe8;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbde",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 222
  },
  "hsl": {
    "h": 188.085,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.7814,
    "c": 0.11006,
    "h": 209.4
  },
  "luminance": 0.49735
}

Semantic roles & 50–950 ramp

primary

#51CBDE

secondary

#E1B1AA

accent

#543DEB

background

#F9FDFE

surface

#F2FBFC

border

#CCD4D5

text

#0E1516

muted

#7E8384

Preview Lab

Preview with #51CBDE

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

Preview Lab → · Contrast checker → · Palette generator →