#51C6DD#51C6DD

#51C6DD is a light, moderate teal. Relative luminance 0.474; OKLCH L 76.9% C 0.109 H 212.9°. Best body text is #000000 at 10.47:1 contrast (WCAG AA passes).

Color values

HEX	#51C6DD
RGB	rgb(81, 198, 221)
HSL	hsl(190, 67%, 59%)
HSV	hsv(190, 63%, 87%)
CMYK	cmyk(63.3%, 10.4%, 0%, 13.3%)
CIE-LAB	lab(74.42, -25.85, -21.21)
CIE-LCH	lch(74.42, 33.44, 219.37°)
OKLab	oklab(76.93% -0.0911 -0.0589)
OKLCH	oklch(76.93% 0.109 212.9)
XYZ	xyz(36.6332, 47.3540, 75.6022)
Luminance	0.4736 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C6DD #DD6851

analogous

#51DDAE #51C6DD #5180DD

triadic

#51C6DD #DD51C6 #C6DD51

tetradic

#51C6DD #AE51DD #DD6851 #80DD51

square

#51C6DD #AE51DD #DD6851 #80DD51

split-complementary

#51C6DD #DD5180 #DDAE51

monochromatic

#1D8296 #27AFC9 #51C6DD #84D7E7 #B7E8F1

Accessibility & contrast

On white

2.01

#51C6DD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.47

#51C6DD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C6DD

10.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C6DD	#FFFFFF	#000000	##000000
##51C6DD	1.00	2.01	10.47	10.47
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.47	21.00	1.00	1.00
##000000	10.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4C0DE

Deuteranopia (green-blind)

#A0B1DD

Tritanopia (blue-blind)

#00CFCD

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51c6dd;
/* rgb */ color: rgb(81, 198, 221);
/* oklch */ color: oklch(76.9% 0.109 212.9);

Tailwind

colors: {
  custom: {
    50: '#91d7e7',
    500: '#51c6dd',
    950: '#000000',
  },
}

SCSS

$custom: #51c6dd;
$custom-light: #91d7e7;
$custom-dark: #000000;

JSON

{
  "hex": "#51c6dd",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 221
  },
  "hsl": {
    "h": 189.857,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.76931,
    "c": 0.10852,
    "h": 212.9
  },
  "luminance": 0.47358
}

Semantic roles & 50–950 ramp

primary

#51C6DD

secondary

#E0B3AA

accent

#5A3EEA

background

#F9FDFE

surface

#F2FAFC

border

#CCD3D5

text

#0E1416

muted

#7E8384

Preview Lab

Preview with #51C6DD

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

Preview Lab → · Contrast checker → · Palette generator →