#51D3E7#51D3E7

#51D3E7 is a light, moderate teal. Relative luminance 0.541; OKLCH L 80.3% C 0.115 H 209.4°. Best body text is #000000 at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#51D3E7
RGB	rgb(81, 211, 231)
HSL	hsl(188, 76%, 61%)
HSV	hsv(188, 65%, 91%)
CMYK	cmyk(64.9%, 8.7%, 0%, 9.4%)
CIE-LAB	lab(78.52, -29.31, -20.36)
CIE-LCH	lch(78.52, 35.69, 214.79°)
OKLab	oklab(80.35% -0.1003 -0.0565)
OKLCH	oklch(80.35% 0.115 209.4)
XYZ	xyz(41.1053, 54.1029, 83.8624)
Luminance	0.5411 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3E7 #E76551

analogous

#51E7B0 #51D3E7 #5188E7

triadic

#51D3E7 #E751D3 #D3E751

tetradic

#51D3E7 #B051E7 #E76551 #88E751

square

#51D3E7 #B051E7 #E76551 #88E751

split-complementary

#51D3E7 #E75188 #E7B051

monochromatic

#1793A7 #1EC3DC #51D3E7 #87E1EE #BDEEF6

Accessibility & contrast

On white

1.78

#51D3E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.82

#51D3E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3E7

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3E7	#FFFFFF	#000000	##000000
##51D3E7	1.00	1.78	11.82	11.82
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.82	21.00	1.00	1.00
##000000	11.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1CCE8

Deuteranopia (green-blind)

#ABBBE7

Tritanopia (blue-blind)

#00DCD9

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d3e7;
/* rgb */ color: rgb(81, 211, 231);
/* oklch */ color: oklch(80.3% 0.115 209.4);

Tailwind

colors: {
  custom: {
    50: '#93e1ee',
    500: '#51d3e7',
    950: '#000000',
  },
}

SCSS

$custom: #51d3e7;
$custom-light: #93e1ee;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3e7",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 231
  },
  "hsl": {
    "h": 188,
    "s": 75.758,
    "l": 61.176
  },
  "oklch": {
    "l": 0.80346,
    "c": 0.11517,
    "h": 209.4
  },
  "luminance": 0.54107
}

Semantic roles & 50–950 ramp

primary

#51D3E7

secondary

#A84334

accent

#290ED8

background

#FCFEFF

surface

#F5FCFE

border

#CFD5D6

text

#0E1516

muted

#7F8485

Preview Lab

Preview with #51D3E7

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

Preview Lab → · Contrast checker → · Palette generator →