#51BFCE#51BFCE

#51BFCE is a light, moderate teal. Relative luminance 0.435; OKLCH L 74.7% C 0.101 H 207.6°. Best body text is #000000 at 9.69:1 contrast (WCAG AA passes).

Color values

HEX	#51BFCE
RGB	rgb(81, 191, 206)
HSL	hsl(187, 56%, 56%)
HSV	hsv(187, 61%, 81%)
CMYK	cmyk(60.7%, 7.3%, 0%, 19.2%)
CIE-LAB	lab(71.87, -26.75, -16.92)
CIE-LCH	lch(71.87, 31.66, 212.32°)
OKLab	oklab(74.72% -0.0899 -0.0469)
OKLCH	oklch(74.72% 0.101 207.6)
XYZ	xyz(33.1601, 43.4637, 65.0223)
Luminance	0.4347 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFCE #CE6051

analogous

#51CE9F #51BFCE #5181CE

triadic

#51BFCE #CE51BF #BFCE51

tetradic

#51BFCE #9F51CE #CE6051 #81CE51

square

#51BFCE #9F51CE #CE6051 #81CE51

split-complementary

#51BFCE #CE5181 #CE9F51

monochromatic

#247580 #32A1B0 #51BFCE #81D1DB #B1E2E9

Accessibility & contrast

On white

2.17

#51BFCE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.69

#51BFCE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFCE

9.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFCE	#FFFFFF	#000000	##000000
##51BFCE	1.00	2.17	9.69	9.69
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.69	21.00	1.00	1.00
##000000	9.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B8CF

Deuteranopia (green-blind)

#9DAACE

Tritanopia (blue-blind)

#00C7C3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51bfce;
/* rgb */ color: rgb(81, 191, 206);
/* oklch */ color: oklch(74.7% 0.101 207.6);

Tailwind

colors: {
  custom: {
    50: '#8fd2dd',
    500: '#51bfce',
    950: '#000000',
  },
}

SCSS

$custom: #51bfce;
$custom-light: #8fd2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfce",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 206
  },
  "hsl": {
    "h": 187.2,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.74716,
    "c": 0.10138,
    "h": 207.6
  },
  "luminance": 0.43467
}

Semantic roles & 50–950 ramp

primary

#51BFCE

secondary

#D7AAA4

accent

#5B48DF

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #51BFCE

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

Preview Lab → · Contrast checker → · Palette generator →