#51AFBB#51AFBB

#51AFBB is a light, moderate teal. Relative luminance 0.360; OKLCH L 70.2% C 0.090 H 206.6°. Best body text is #000000 at 8.20:1 contrast (WCAG AA passes).

Color values

HEX	#51AFBB
RGB	rgb(81, 175, 187)
HSL	hsl(187, 44%, 53%)
HSV	hsv(187, 57%, 73%)
CMYK	cmyk(56.7%, 6.4%, 0%, 26.7%)
CIE-LAB	lab(66.52, -24.21, -14.55)
CIE-LCH	lch(66.52, 28.25, 211.01°)
OKLab	oklab(70.2% -0.0805 -0.0402)
OKLCH	oklch(70.2% 0.09 206.6)
XYZ	xyz(27.6893, 35.9944, 52.4925)
Luminance	0.3600 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AFBB #BB5D51

analogous

#51BB92 #51AFBB #517ABB

triadic

#51AFBB #BB51AF #AFBB51

tetradic

#51AFBB #9251BB #BB5D51 #7ABB51

square

#51AFBB #9251BB #BB5D51 #7ABB51

split-complementary

#51AFBB #BB517A #BB9251

monochromatic

#296169 #3A8A95 #51AFBB #7DC3CC #A9D7DD

Accessibility & contrast

On white

2.56

#51AFBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.20

#51AFBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AFBB

8.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AFBB	#FFFFFF	#000000	##000000
##51AFBB	1.00	2.56	8.20	8.20
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.20	21.00	1.00	1.00
##000000	8.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2A9BC

Deuteranopia (green-blind)

#929DBB

Tritanopia (blue-blind)

#00B6B2

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51afbb;
/* rgb */ color: rgb(81, 175, 187);
/* oklch */ color: oklch(70.2% 0.090 206.6);

Tailwind

colors: {
  custom: {
    50: '#8cc7cf',
    500: '#51afbb',
    950: '#000000',
  },
}

SCSS

$custom: #51afbb;
$custom-light: #8cc7cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51afbb",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 187
  },
  "hsl": {
    "h": 186.792,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.70203,
    "c": 0.08997,
    "h": 206.6
  },
  "luminance": 0.35997
}

Semantic roles & 50–950 ramp

primary

#51AFBB

secondary

#CBA29D

accent

#6354D4

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1313

muted

#7E8282

Preview Lab

Preview with #51AFBB

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

Preview Lab → · Contrast checker → · Palette generator →