#51BFD0#51BFD0

#51BFD0 is a light, moderate teal. Relative luminance 0.436; OKLCH L 74.8% C 0.102 H 209.1°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#51BFD0
RGB	rgb(81, 191, 208)
HSL	hsl(188, 57%, 57%)
HSV	hsv(188, 61%, 82%)
CMYK	cmyk(61.1%, 8.2%, 0%, 18.4%)
CIE-LAB	lab(71.93, -26.18, -17.91)
CIE-LCH	lch(71.93, 31.72, 214.39°)
OKLab	oklab(74.79% -0.0891 -0.0497)
OKLCH	oklch(74.79% 0.102 209.1)
XYZ	xyz(33.4046, 43.5615, 66.3100)
Luminance	0.4356 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFD0 #D06251

analogous

#51D0A1 #51BFD0 #5180D0

triadic

#51BFD0 #D051BF #BFD051

tetradic

#51BFD0 #A151D0 #D06251 #80D051

square

#51BFD0 #A151D0 #D06251 #80D051

split-complementary

#51BFD0 #D05180 #D0A151

monochromatic

#237683 #30A2B3 #51BFD0 #81D1DD #B1E2EA

Accessibility & contrast

On white

2.16

#51BFD0 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#51BFD0 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFD0

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFD0	#FFFFFF	#000000	##000000
##51BFD0	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B8D1

Deuteranopia (green-blind)

#9DAAD0

Tritanopia (blue-blind)

#00C7C4

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51bfd0;
/* rgb */ color: rgb(81, 191, 208);
/* oklch */ color: oklch(74.8% 0.102 209.1);

Tailwind

colors: {
  custom: {
    50: '#8fd2de',
    500: '#51bfd0',
    950: '#000000',
  },
}

SCSS

$custom: #51bfd0;
$custom-light: #8fd2de;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfd0",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 208
  },
  "hsl": {
    "h": 188.031,
    "s": 57.466,
    "l": 56.667
  },
  "oklch": {
    "l": 0.74791,
    "c": 0.10198,
    "h": 209.1
  },
  "luminance": 0.43565
}

Semantic roles & 50–950 ramp

primary

#51BFD0

secondary

#D8ABA4

accent

#5C47E1

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0E1415

muted

#7E8283

Preview Lab

Preview with #51BFD0

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

Preview Lab → · Contrast checker → · Palette generator →