#51B2BC#51B2BC

#51B2BC is a light, moderate teal. Relative luminance 0.372; OKLCH L 71.0% C 0.092 H 204.5°. Best body text is #000000 at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#51B2BC
RGB	rgb(81, 178, 188)
HSL	hsl(186, 44%, 53%)
HSV	hsv(186, 57%, 74%)
CMYK	cmyk(56.9%, 5.3%, 0%, 26.3%)
CIE-LAB	lab(67.44, -25.44, -13.72)
CIE-LCH	lch(67.44, 28.90, 208.33°)
OKLab	oklab(70.96% -0.0833 -0.0379)
OKLCH	oklch(70.96% 0.092 204.5)
XYZ	xyz(28.3871, 37.2182, 53.2550)
Luminance	0.3722 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B2BC #BC5B51

analogous

#51BC90 #51B2BC #517DBC

triadic

#51B2BC #BC51B2 #B2BC51

tetradic

#51B2BC #9051BC #BC5B51 #7DBC51

square

#51B2BC #9051BC #BC5B51 #7DBC51

split-complementary

#51B2BC #BC517D #BC9051

monochromatic

#29646A #3A8D96 #51B2BC #7DC6CD #A9D9DE

Accessibility & contrast

On white

2.49

#51B2BC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.44

#51B2BC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B2BC

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B2BC	#FFFFFF	#000000	##000000
##51B2BC	1.00	2.49	8.44	8.44
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.44	21.00	1.00	1.00
##000000	8.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A5ABBD

Deuteranopia (green-blind)

#959FBC

Tritanopia (blue-blind)

#00B8B5

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #51b2bc;
/* rgb */ color: rgb(81, 178, 188);
/* oklch */ color: oklch(71.0% 0.092 204.5);

Tailwind

colors: {
  custom: {
    50: '#8cc9d0',
    500: '#51b2bc',
    950: '#000000',
  },
}

SCSS

$custom: #51b2bc;
$custom-light: #8cc9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51b2bc",
  "rgb": {
    "r": 81,
    "g": 178,
    "b": 188
  },
  "hsl": {
    "h": 185.607,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.70958,
    "c": 0.09157,
    "h": 204.5
  },
  "luminance": 0.37221
}

Semantic roles & 50–950 ramp

primary

#51B2BC

secondary

#CCA29D

accent

#6054D4

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B2BC

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

Preview Lab → · Contrast checker → · Palette generator →