#51D7E3#51D7E3

#51D7E3 is a light, moderate teal. Relative luminance 0.559; OKLCH L 81.1% C 0.116 H 203.6°. Best body text is #000000 at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#51D7E3
RGB	rgb(81, 215, 227)
HSL	hsl(185, 72%, 60%)
HSV	hsv(185, 64%, 89%)
CMYK	cmyk(64.3%, 5.3%, 0%, 11%)
CIE-LAB	lab(79.55, -32.38, -16.67)
CIE-LCH	lch(79.55, 36.42, 207.23°)
OKLab	oklab(81.13% -0.106 -0.0462)
OKLCH	oklch(81.13% 0.116 203.6)
XYZ	xyz(41.5529, 55.8917, 81.2564)
Luminance	0.5590 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D7E3 #E35D51

analogous

#51E3A6 #51D7E3 #518EE3

triadic

#51D7E3 #E351D7 #D7E351

tetradic

#51D7E3 #A651E3 #E35D51 #8EE351

square

#51D7E3 #A651E3 #E35D51 #8EE351

split-complementary

#51D7E3 #E3518E #E3A651

monochromatic

#1A95A0 #22C6D5 #51D7E3 #86E3EB #BAEFF4

Accessibility & contrast

On white

1.72

#51D7E3 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.18

#51D7E3 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D7E3

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D7E3	#FFFFFF	#000000	##000000
##51D7E3	1.00	1.72	12.18	12.18
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.18	21.00	1.00	1.00
##000000	12.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7CEE4

Deuteranopia (green-blind)

#B1BEE4

Tritanopia (blue-blind)

#00DFDA

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51d7e3;
/* rgb */ color: rgb(81, 215, 227);
/* oklch */ color: oklch(81.1% 0.116 203.6);

Tailwind

colors: {
  custom: {
    50: '#93e3eb',
    500: '#51d7e3',
    950: '#000000',
  },
}

SCSS

$custom: #51d7e3;
$custom-light: #93e3eb;
$custom-dark: #000000;

JSON

{
  "hex": "#51d7e3",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 227
  },
  "hsl": {
    "h": 184.932,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81134,
    "c": 0.11559,
    "h": 203.6
  },
  "luminance": 0.55896
}

Semantic roles & 50–950 ramp

primary

#51D7E3

secondary

#A33E35

accent

#2111D4

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51D7E3

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

Preview Lab → · Contrast checker → · Palette generator →