#51CDE4#51CDE4

#51CDE4 is a light, moderate teal. Relative luminance 0.510; OKLCH L 78.8% C 0.113 H 212.1°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#51CDE4
RGB	rgb(81, 205, 228)
HSL	hsl(189, 73%, 61%)
HSV	hsv(189, 64%, 89%)
CMYK	cmyk(64.5%, 10.1%, 0%, 10.6%)
CIE-LAB	lab(76.68, -27.25, -21.54)
CIE-LCH	lch(76.68, 34.74, 218.32°)
OKLab	oklab(78.83% -0.0955 -0.0598)
OKLCH	oklch(78.83% 0.113 212.1)
XYZ	xyz(39.2224, 51.0092, 81.1624)
Luminance	0.5101 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CDE4 #E46851

analogous

#51E4B2 #51CDE4 #5183E4

triadic

#51CDE4 #E451CD #CDE451

tetradic

#51CDE4 #B251E4 #E46851 #83E451

square

#51CDE4 #B251E4 #E46851 #83E451

split-complementary

#51CDE4 #E45183 #E4B251

monochromatic

#198CA2 #21BAD7 #51CDE4 #86DCEC #BBEBF4

Accessibility & contrast

On white

1.87

#51CDE4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#51CDE4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CDE4

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CDE4	#FFFFFF	#000000	##000000
##51CDE4	1.00	1.87	11.20	11.20
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC6E5

Deuteranopia (green-blind)

#A5B6E4

Tritanopia (blue-blind)

#00D7D4

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51cde4;
/* rgb */ color: rgb(81, 205, 228);
/* oklch */ color: oklch(78.8% 0.113 212.1);

Tailwind

colors: {
  custom: {
    50: '#92dcec',
    500: '#51cde4',
    950: '#000000',
  },
}

SCSS

$custom: #51cde4;
$custom-light: #92dcec;
$custom-dark: #000000;

JSON

{
  "hex": "#51cde4",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 228
  },
  "hsl": {
    "h": 189.388,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.78834,
    "c": 0.1127,
    "h": 212.1
  },
  "luminance": 0.51013
}

Semantic roles & 50–950 ramp

primary

#51CDE4

secondary

#A44635

accent

#2F10D5

background

#FCFEFE

surface

#F5FCFD

border

#CFD5D5

text

#0E1516

muted

#7F8484

Preview Lab

Preview with #51CDE4

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

Preview Lab → · Contrast checker → · Palette generator →