#51BDCE#51BDCE

#51BDCE is a light, moderate teal. Relative luminance 0.426; OKLCH L 74.2% C 0.101 H 209.4°. Best body text is #000000 at 9.52:1 contrast (WCAG AA passes).

Color values

HEX	#51BDCE
RGB	rgb(81, 189, 206)
HSL	hsl(188, 56%, 56%)
HSV	hsv(188, 61%, 81%)
CMYK	cmyk(60.7%, 8.3%, 0%, 19.2%)
CIE-LAB	lab(71.28, -25.76, -17.81)
CIE-LCH	lch(71.28, 31.32, 214.66°)
OKLab	oklab(74.24% -0.0878 -0.0494)
OKLCH	oklch(74.24% 0.101 209.4)
XYZ	xyz(32.7269, 42.5974, 64.8779)
Luminance	0.4260 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BDCE #CE6251

analogous

#51CEA1 #51BDCE #517FCE

triadic

#51BDCE #CE51BD #BDCE51

tetradic

#51BDCE #A151CE #CE6251 #7FCE51

square

#51BDCE #A151CE #CE6251 #7FCE51

split-complementary

#51BDCE #CE517F #CEA151

monochromatic

#247480 #329FB0 #51BDCE #81CFDB #B1E1E9

Accessibility & contrast

On white

2.21

#51BDCE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.52

#51BDCE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BDCE

9.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BDCE	#FFFFFF	#000000	##000000
##51BDCE	1.00	2.21	9.52	9.52
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.52	21.00	1.00	1.00
##000000	9.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB7CF

Deuteranopia (green-blind)

#9BA9CE

Tritanopia (blue-blind)

#00C5C2

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51bdce;
/* rgb */ color: rgb(81, 189, 206);
/* oklch */ color: oklch(74.2% 0.101 209.4);

Tailwind

colors: {
  custom: {
    50: '#8ed1dd',
    500: '#51bdce',
    950: '#000000',
  },
}

SCSS

$custom: #51bdce;
$custom-light: #8ed1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51bdce",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 206
  },
  "hsl": {
    "h": 188.16,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.74244,
    "c": 0.1007,
    "h": 209.4
  },
  "luminance": 0.42601
}

Semantic roles & 50–950 ramp

primary

#51BDCE

secondary

#D7ABA4

accent

#5D48DF

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #51BDCE

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

Preview Lab → · Contrast checker → · Palette generator →