#51B2BD#51B2BD

#51B2BD is a light, moderate teal. Relative luminance 0.373; OKLCH L 71.0% C 0.092 H 205.4°. Best body text is #000000 at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#51B2BD
RGB	rgb(81, 178, 189)
HSL	hsl(186, 45%, 53%)
HSV	hsv(186, 57%, 74%)
CMYK	cmyk(57.1%, 5.8%, 0%, 25.9%)
CIE-LAB	lab(67.47, -25.15, -14.22)
CIE-LCH	lch(67.47, 28.89, 209.48°)
OKLab	oklab(70.99% -0.0829 -0.0393)
OKLCH	oklch(70.99% 0.092 205.4)
XYZ	xyz(28.4953, 37.2614, 53.8247)
Luminance	0.3726 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B2BD #BD5C51

analogous

#51BD92 #51B2BD #517CBD

triadic

#51B2BD #BD51B2 #B2BD51

tetradic

#51B2BD #9251BD #BD5C51 #7CBD51

square

#51B2BD #9251BD #BD5C51 #7CBD51

split-complementary

#51B2BD #BD517C #BD9251

monochromatic

#29646B #398E97 #51B2BD #7DC6CE #AAD9DF

Accessibility & contrast

On white

2.48

#51B2BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.45

#51B2BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B2BD

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B2BD	#FFFFFF	#000000	##000000
##51B2BD	1.00	2.48	8.45	8.45
#FFFFFF	2.48	1.00	21.00	21.00
#000000	8.45	21.00	1.00	1.00
##000000	8.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5ACBE

Deuteranopia (green-blind)

#949FBD

Tritanopia (blue-blind)

#00B9B5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51b2bd;
/* rgb */ color: rgb(81, 178, 189);
/* oklch */ color: oklch(71.0% 0.092 205.4);

Tailwind

colors: {
  custom: {
    50: '#8cc9d0',
    500: '#51b2bd',
    950: '#000000',
  },
}

SCSS

$custom: #51b2bd;
$custom-light: #8cc9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51b2bd",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 189
  },
  "hsl": {
    "h": 186.111,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.70995,
    "c": 0.09177,
    "h": 205.4
  },
  "luminance": 0.37264
}

Semantic roles & 50–950 ramp

primary

#51B2BD

secondary

#CCA29E

accent

#6053D5

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B2BD

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

Preview Lab → · Contrast checker → · Palette generator →