#51B3BC#51B3BC

#51B3BC is a light, moderate teal. Relative luminance 0.376; OKLCH L 71.2% C 0.092 H 203.5°. Best body text is #000000 at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#51B3BC
RGB	rgb(81, 179, 188)
HSL	hsl(185, 44%, 53%)
HSV	hsv(185, 57%, 74%)
CMYK	cmyk(56.9%, 4.8%, 0%, 26.3%)
CIE-LAB	lab(67.74, -25.94, -13.27)
CIE-LCH	lch(67.74, 29.13, 207.09°)
OKLab	oklab(71.2% -0.0844 -0.0367)
OKLCH	oklch(71.2% 0.092 203.5)
XYZ	xyz(28.5868, 37.6176, 53.3216)
Luminance	0.3762 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B3BC #BC5A51

analogous

#51BC90 #51B3BC #517DBC

triadic

#51B3BC #BC51B3 #B3BC51

tetradic

#51B3BC #9051BC #BC5A51 #7DBC51

square

#51B3BC #9051BC #BC5A51 #7DBC51

split-complementary

#51B3BC #BC517D #BC9051

monochromatic

#29646A #3A8E96 #51B3BC #7DC6CD #A9DADE

Accessibility & contrast

On white

2.46

#51B3BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.52

#51B3BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B3BC

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B3BC	#FFFFFF	#000000	##000000
##51B3BC	1.00	2.46	8.52	8.52
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.52	21.00	1.00	1.00
##000000	8.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A7ACBD

Deuteranopia (green-blind)

#96A0BC

Tritanopia (blue-blind)

#00B9B5

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51b3bc;
/* rgb */ color: rgb(81, 179, 188);
/* oklch */ color: oklch(71.2% 0.092 203.5);

Tailwind

colors: {
  custom: {
    50: '#8ccad0',
    500: '#51b3bc',
    950: '#000000',
  },
}

SCSS

$custom: #51b3bc;
$custom-light: #8ccad0;
$custom-dark: #000000;

JSON

{
  "hex": "#51b3bc",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 188
  },
  "hsl": {
    "h": 185.047,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.71197,
    "c": 0.09206,
    "h": 203.5
  },
  "luminance": 0.3762
}

Semantic roles & 50–950 ramp

primary

#51B3BC

secondary

#CCA19D

accent

#5E54D4

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B3BC

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

Preview Lab → · Contrast checker → · Palette generator →