#51D2EA#51D2EA

#51D2EA is a light, moderate teal. Relative luminance 0.538; OKLCH L 80.2% C 0.116 H 212.2°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#51D2EA
RGB	rgb(81, 210, 234)
HSL	hsl(189, 78%, 62%)
HSV	hsv(189, 65%, 92%)
CMYK	cmyk(65.4%, 10.3%, 0%, 8.2%)
CIE-LAB	lab(78.33, -27.94, -22.25)
CIE-LCH	lch(78.33, 35.72, 218.54°)
OKLab	oklab(80.23% -0.0982 -0.0618)
OKLCH	oklch(80.23% 0.116 212.2)
XYZ	xyz(41.2850, 53.7785, 86.0304)
Luminance	0.5378 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2EA #EA6951

analogous

#51EAB6 #51D2EA #5186EA

triadic

#51D2EA #EA51D2 #D2EA51

tetradic

#51D2EA #B651EA #EA6951 #86EA51

square

#51D2EA #B651EA #EA6951 #86EA51

split-complementary

#51D2EA #EA5186 #EAB651

monochromatic

#1594AC #1BC3E2 #51D2EA #88E0F1 #BEEEF7

Accessibility & contrast

On white

1.79

#51D2EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#51D2EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2EA

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2EA	#FFFFFF	#000000	##000000
##51D2EA	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFCBEB

Deuteranopia (green-blind)

#A9BBEA

Tritanopia (blue-blind)

#00DCD9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d2ea;
/* rgb */ color: rgb(81, 210, 234);
/* oklch */ color: oklch(80.2% 0.116 212.2);

Tailwind

colors: {
  custom: {
    50: '#93e0f0',
    500: '#51d2ea',
    950: '#000000',
  },
}

SCSS

$custom: #51d2ea;
$custom-light: #93e0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2ea",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 234
  },
  "hsl": {
    "h": 189.412,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.80227,
    "c": 0.11602,
    "h": 212.2
  },
  "luminance": 0.53783
}

Semantic roles & 50–950 ramp

primary

#51D2EA

secondary

#AD4632

accent

#2B0BDB

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51D2EA

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

Preview Lab → · Contrast checker → · Palette generator →