#51BFCD#51BFCD

#51BFCD is a light, moderate teal. Relative luminance 0.434; OKLCH L 74.7% C 0.101 H 206.7°. Best body text is #000000 at 9.68:1 contrast (WCAG AA passes).

Color values

HEX	#51BFCD
RGB	rgb(81, 191, 205)
HSL	hsl(187, 55%, 56%)
HSV	hsv(187, 60%, 80%)
CMYK	cmyk(60.5%, 6.8%, 0%, 19.6%)
CIE-LAB	lab(71.84, -27.04, -16.43)
CIE-LCH	lch(71.84, 31.64, 211.28°)
OKLab	oklab(74.68% -0.0903 -0.0455)
OKLCH	oklch(74.68% 0.101 206.7)
XYZ	xyz(33.0390, 43.4153, 64.3846)
Luminance	0.4342 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFCD #CD5F51

analogous

#51CD9D #51BFCD #5181CD

triadic

#51BFCD #CD51BF #BFCD51

tetradic

#51BFCD #9D51CD #CD5F51 #81CD51

square

#51BFCD #9D51CD #CD5F51 #81CD51

split-complementary

#51BFCD #CD5181 #CD9D51

monochromatic

#25757F #32A1AF #51BFCD #81D0DB #B0E2E8

Accessibility & contrast

On white

2.17

#51BFCD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.68

#51BFCD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFCD

9.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFCD	#FFFFFF	#000000	##000000
##51BFCD	1.00	2.17	9.68	9.68
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.68	21.00	1.00	1.00
##000000	9.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B8CE

Deuteranopia (green-blind)

#9DAACD

Tritanopia (blue-blind)

#00C7C3

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51bfcd;
/* rgb */ color: rgb(81, 191, 205);
/* oklch */ color: oklch(74.7% 0.101 206.7);

Tailwind

colors: {
  custom: {
    50: '#8fd2dc',
    500: '#51bfcd',
    950: '#000000',
  },
}

SCSS

$custom: #51bfcd;
$custom-light: #8fd2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfcd",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 205
  },
  "hsl": {
    "h": 186.774,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.74679,
    "c": 0.1011,
    "h": 206.7
  },
  "luminance": 0.43419
}

Semantic roles & 50–950 ramp

primary

#51BFCD

secondary

#D7A9A3

accent

#5A49DF

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #51BFCD

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

Preview Lab → · Contrast checker → · Palette generator →