#51BCD0#51BCD0

#51BCD0 is a light, moderate teal. Relative luminance 0.423; OKLCH L 74.1% C 0.101 H 211.9°. Best body text is #000000 at 9.45:1 contrast (WCAG AA passes).

Color values

HEX	#51BCD0
RGB	rgb(81, 188, 208)
HSL	hsl(189, 57%, 57%)
HSV	hsv(189, 61%, 82%)
CMYK	cmyk(61.1%, 9.6%, 0%, 18.4%)
CIE-LAB	lab(71.05, -24.68, -19.25)
CIE-LCH	lch(71.05, 31.30, 217.95°)
OKLab	oklab(74.08% -0.0859 -0.0534)
OKLCH	oklch(74.08% 0.101 211.9)
XYZ	xyz(32.7570, 42.2665, 66.0942)
Luminance	0.4227 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BCD0 #D06551

analogous

#51D0A5 #51BCD0 #517DD0

triadic

#51BCD0 #D051BC #BCD051

tetradic

#51BCD0 #A551D0 #D06551 #7DD051

square

#51BCD0 #A551D0 #D06551 #7DD051

split-complementary

#51BCD0 #D0517D #D0A551

monochromatic

#237483 #309FB3 #51BCD0 #81CFDD #B1E1EA

Accessibility & contrast

On white

2.22

#51BCD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.45

#51BCD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BCD0

9.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BCD0	#FFFFFF	#000000	##000000
##51BCD0	1.00	2.22	9.45	9.45
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.45	21.00	1.00	1.00
##000000	9.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB6D1

Deuteranopia (green-blind)

#99A8D0

Tritanopia (blue-blind)

#00C4C2

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51bcd0;
/* rgb */ color: rgb(81, 188, 208);
/* oklch */ color: oklch(74.1% 0.101 211.9);

Tailwind

colors: {
  custom: {
    50: '#8fd0de',
    500: '#51bcd0',
    950: '#000000',
  },
}

SCSS

$custom: #51bcd0;
$custom-light: #8fd0de;
$custom-dark: #000000;

JSON

{
  "hex": "#51bcd0",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 208
  },
  "hsl": {
    "h": 189.449,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.74084,
    "c": 0.10115,
    "h": 211.9
  },
  "luminance": 0.4227
}

Semantic roles & 50–950 ramp

primary

#51BCD0

secondary

#D8ADA4

accent

#5F47E1

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #51BCD0

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

Preview Lab → · Contrast checker → · Palette generator →