#51B0BE#51B0BE

#51B0BE is a light, moderate teal. Relative luminance 0.365; OKLCH L 70.6% C 0.091 H 208.3°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#51B0BE
RGB	rgb(81, 176, 190)
HSL	hsl(188, 46%, 53%)
HSV	hsv(188, 57%, 75%)
CMYK	cmyk(57.4%, 7.4%, 0%, 25.5%)
CIE-LAB	lab(66.91, -23.86, -15.62)
CIE-LCH	lch(66.91, 28.52, 213.21°)
OKLab	oklab(70.55% -0.0803 -0.0432)
OKLCH	oklch(70.55% 0.091 208.3)
XYZ	xyz(28.2091, 36.5149, 54.2667)
Luminance	0.3652 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B0BE #BE5F51

analogous

#51BE95 #51B0BE #5179BE

triadic

#51B0BE #BE51B0 #B0BE51

tetradic

#51B0BE #9551BE #BE5F51 #79BE51

square

#51B0BE #9551BE #BE5F51 #79BE51

split-complementary

#51B0BE #BE5179 #BE9551

monochromatic

#28636C #398C99 #51B0BE #7EC4CF #AAD8DF

Accessibility & contrast

On white

2.53

#51B0BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#51B0BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B0BE

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B0BE	#FFFFFF	#000000	##000000
##51B0BE	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A3AABF

Deuteranopia (green-blind)

#929DBE

Tritanopia (blue-blind)

#00B7B4

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #51b0be;
/* rgb */ color: rgb(81, 176, 190);
/* oklch */ color: oklch(70.6% 0.091 208.3);

Tailwind

colors: {
  custom: {
    50: '#8cc8d1',
    500: '#51b0be',
    950: '#000000',
  },
}

SCSS

$custom: #51b0be;
$custom-light: #8cc8d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51b0be",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 190
  },
  "hsl": {
    "h": 187.706,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.70554,
    "c": 0.09121,
    "h": 208.3
  },
  "luminance": 0.36518
}

Semantic roles & 50–950 ramp

primary

#51B0BE

secondary

#CDA49E

accent

#6353D5

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B0BE

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

Preview Lab → · Contrast checker → · Palette generator →