#51BBCF#51BBCF

#51BBCF is a light, moderate teal. Relative luminance 0.418; OKLCH L 73.8% C 0.101 H 212.0°. Best body text is #000000 at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#51BBCF
RGB	rgb(81, 187, 207)
HSL	hsl(190, 57%, 56%)
HSV	hsv(190, 61%, 81%)
CMYK	cmyk(60.9%, 9.7%, 0%, 18.8%)
CIE-LAB	lab(70.73, -24.47, -19.20)
CIE-LCH	lch(70.73, 31.10, 218.12°)
OKLab	oklab(73.81% -0.0853 -0.0532)
OKLCH	oklch(73.81% 0.101 212)
XYZ	xyz(32.4215, 41.7916, 65.3773)
Luminance	0.4179 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBCF #CF6551

analogous

#51CFA4 #51BBCF #517CCF

triadic

#51BBCF #CF51BB #BBCF51

tetradic

#51BBCF #A451CF #CF6551 #7CCF51

square

#51BBCF #A451CF #CF6551 #7CCF51

split-complementary

#51BBCF #CF517C #CFA451

monochromatic

#247382 #319DB2 #51BBCF #81CEDC #B1E0E9

Accessibility & contrast

On white

2.24

#51BBCF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.36

#51BBCF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBCF

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBCF	#FFFFFF	#000000	##000000
##51BBCF	1.00	2.24	9.36	9.36
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.36	21.00	1.00	1.00
##000000	9.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB5D0

Deuteranopia (green-blind)

#98A7CF

Tritanopia (blue-blind)

#00C3C1

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bbcf;
/* rgb */ color: rgb(81, 187, 207);
/* oklch */ color: oklch(73.8% 0.101 212.0);

Tailwind

colors: {
  custom: {
    50: '#8ecfdd',
    500: '#51bbcf',
    950: '#000000',
  },
}

SCSS

$custom: #51bbcf;
$custom-light: #8ecfdd;
$custom-dark: #000000;

JSON

{
  "hex": "#51bbcf",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 207
  },
  "hsl": {
    "h": 189.524,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.73809,
    "c": 0.10052,
    "h": 212
  },
  "luminance": 0.41795
}

Semantic roles & 50–950 ramp

primary

#51BBCF

secondary

#D8ACA4

accent

#6048E0

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #51BBCF

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

Preview Lab → · Contrast checker → · Palette generator →