#51B3BB#51B3BB

#51B3BB is a light, moderate teal. Relative luminance 0.376; OKLCH L 71.2% C 0.092 H 202.6°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#51B3BB
RGB	rgb(81, 179, 187)
HSL	hsl(185, 44%, 53%)
HSV	hsv(185, 57%, 73%)
CMYK	cmyk(56.7%, 4.3%, 0%, 26.7%)
CIE-LAB	lab(67.71, -26.22, -12.76)
CIE-LCH	lch(67.71, 29.16, 205.96°)
OKLab	oklab(71.16% -0.0848 -0.0353)
OKLCH	oklch(71.16% 0.092 202.6)
XYZ	xyz(28.4794, 37.5746, 52.7558)
Luminance	0.3758 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B3BB #BB5951

analogous

#51BB8E #51B3BB #517EBB

triadic

#51B3BB #BB51B3 #B3BB51

tetradic

#51B3BB #8E51BB #BB5951 #7EBB51

square

#51B3BB #8E51BB #BB5951 #7EBB51

split-complementary

#51B3BB #BB517E #BB8E51

monochromatic

#296469 #3A8E95 #51B3BB #7DC6CC #A9D9DD

Accessibility & contrast

On white

2.47

#51B3BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#51B3BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B3BB

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B3BB	#FFFFFF	#000000	##000000
##51B3BB	1.00	2.47	8.52	8.52
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACBC

Deuteranopia (green-blind)

#96A0BB

Tritanopia (blue-blind)

#00B9B5

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51b3bb;
/* rgb */ color: rgb(81, 179, 187);
/* oklch */ color: oklch(71.2% 0.092 202.6);

Tailwind

colors: {
  custom: {
    50: '#8ccacf',
    500: '#51b3bb',
    950: '#000000',
  },
}

SCSS

$custom: #51b3bb;
$custom-light: #8ccacf;
$custom-dark: #000000;

JSON

{
  "hex": "#51b3bb",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 187
  },
  "hsl": {
    "h": 184.528,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.71161,
    "c": 0.0919,
    "h": 202.6
  },
  "luminance": 0.37577
}

Semantic roles & 50–950 ramp

primary

#51B3BB

secondary

#CBA09D

accent

#5E54D4

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1313

muted

#7E8282

Preview Lab

Preview with #51B3BB

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

Preview Lab → · Contrast checker → · Palette generator →