#51BDCA#51BDCA

#51BDCA is a light, moderate teal. Relative luminance 0.424; OKLCH L 74.1% C 0.100 H 206.1°. Best body text is #000000 at 9.48:1 contrast (WCAG AA passes).

Color values

HEX	#51BDCA
RGB	rgb(81, 189, 202)
HSL	hsl(186, 53%, 55%)
HSV	hsv(186, 60%, 79%)
CMYK	cmyk(59.9%, 6.4%, 0%, 20.8%)
CIE-LAB	lab(71.15, -26.92, -15.83)
CIE-LCH	lch(71.15, 31.22, 210.45°)
OKLab	oklab(74.09% -0.0894 -0.0438)
OKLCH	oklch(74.09% 0.1 206.1)
XYZ	xyz(32.2472, 42.4055, 62.3513)
Luminance	0.4241 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BDCA #CA5E51

analogous

#51CA9A #51BDCA #5181CA

triadic

#51BDCA #CA51BD #BDCA51

tetradic

#51BDCA #9A51CA #CA5E51 #81CA51

square

#51BDCA #9A51CA #CA5E51 #81CA51

split-complementary

#51BDCA #CA5181 #CA9A51

monochromatic

#25727B #349DAA #51BDCA #80CFD8 #AFE1E7

Accessibility & contrast

On white

2.21

#51BDCA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.48

#51BDCA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BDCA

9.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BDCA	#FFFFFF	#000000	##000000
##51BDCA	1.00	2.21	9.48	9.48
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.48	21.00	1.00	1.00
##000000	9.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AFB6CB

Deuteranopia (green-blind)

#9CA8CA

Tritanopia (blue-blind)

#00C4C1

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51bdca;
/* rgb */ color: rgb(81, 189, 202);
/* oklch */ color: oklch(74.1% 0.100 206.1);

Tailwind

colors: {
  custom: {
    50: '#8ed1da',
    500: '#51bdca',
    950: '#000000',
  },
}

SCSS

$custom: #51bdca;
$custom-light: #8ed1da;
$custom-dark: #000000;

JSON

{
  "hex": "#51bdca",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 202
  },
  "hsl": {
    "h": 186.446,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74094,
    "c": 0.09956,
    "h": 206.1
  },
  "luminance": 0.42409
}

Semantic roles & 50–950 ramp

primary

#51BDCA

secondary

#D5A8A2

accent

#5B4BDD

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #51BDCA

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

Preview Lab → · Contrast checker → · Palette generator →