#51CFE3#51CFE3

#51CFE3 is a light, moderate teal. Relative luminance 0.519; OKLCH L 79.3% C 0.113 H 209.8°. Best body text is #000000 at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#51CFE3
RGB	rgb(81, 207, 227)
HSL	hsl(188, 72%, 60%)
HSV	hsv(188, 64%, 89%)
CMYK	cmyk(64.3%, 8.8%, 0%, 11%)
CIE-LAB	lab(77.23, -28.52, -20.17)
CIE-LCH	lch(77.23, 34.94, 215.27°)
OKLab	oklab(79.26% -0.0979 -0.056)
OKLCH	oklch(79.26% 0.113 209.8)
XYZ	xyz(39.5655, 51.9167, 80.5939)
Luminance	0.5192 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CFE3 #E36551

analogous

#51E3AE #51CFE3 #5186E3

triadic

#51CFE3 #E351CF #CFE351

tetradic

#51CFE3 #AE51E3 #E36551 #86E351

square

#51CFE3 #AE51E3 #E36551 #86E351

split-complementary

#51CFE3 #E35186 #E3AE51

monochromatic

#1A8DA0 #22BCD5 #51CFE3 #86DEEB #BAECF4

Accessibility & contrast

On white

1.84

#51CFE3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.38

#51CFE3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CFE3

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CFE3	#FFFFFF	#000000	##000000
##51CFE3	1.00	1.84	11.38	11.38
#FFFFFF	1.84	1.00	21.00	21.00
#000000	11.38	21.00	1.00	1.00
##000000	11.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEC8E4

Deuteranopia (green-blind)

#A8B8E3

Tritanopia (blue-blind)

#00D8D5

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51cfe3;
/* rgb */ color: rgb(81, 207, 227);
/* oklch */ color: oklch(79.3% 0.113 209.8);

Tailwind

colors: {
  custom: {
    50: '#92deeb',
    500: '#51cfe3',
    950: '#000000',
  },
}

SCSS

$custom: #51cfe3;
$custom-light: #92deeb;
$custom-dark: #000000;

JSON

{
  "hex": "#51cfe3",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 227
  },
  "hsl": {
    "h": 188.219,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.79263,
    "c": 0.11279,
    "h": 209.8
  },
  "luminance": 0.51921
}

Semantic roles & 50–950 ramp

primary

#51CFE3

secondary

#A34435

accent

#2C11D4

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51CFE3

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

Preview Lab → · Contrast checker → · Palette generator →