#51B7BE#51B7BE

#51B7BE is a light, moderate teal. Relative luminance 0.393; OKLCH L 72.2% C 0.094 H 201.4°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#51B7BE
RGB	rgb(81, 183, 190)
HSL	hsl(184, 46%, 53%)
HSV	hsv(184, 57%, 75%)
CMYK	cmyk(57.4%, 3.7%, 0%, 25.5%)
CIE-LAB	lab(68.99, -27.36, -12.49)
CIE-LCH	lch(68.99, 30.08, 204.54°)
OKLab	oklab(72.23% -0.0879 -0.0345)
OKLCH	oklch(72.23% 0.094 201.4)
XYZ	xyz(29.6172, 39.3311, 54.7360)
Luminance	0.3933 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B7BE #BE5851

analogous

#51BE8E #51B7BE #5180BE

triadic

#51B7BE #BE51B7 #B7BE51

tetradic

#51B7BE #8E51BE #BE5851 #80BE51

square

#51B7BE #8E51BE #BE5851 #80BE51

split-complementary

#51B7BE #BE5180 #BE8E51

monochromatic

#28686C #399399 #51B7BE #7EC9CF #AADCDF

Accessibility & contrast

On white

2.37

#51B7BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#51B7BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B7BE

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B7BE	#FFFFFF	#000000	##000000
##51B7BE	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ABB0BF

Deuteranopia (green-blind)

#99A3BF

Tritanopia (blue-blind)

#00BDB9

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51b7be;
/* rgb */ color: rgb(81, 183, 190);
/* oklch */ color: oklch(72.2% 0.094 201.4);

Tailwind

colors: {
  custom: {
    50: '#8dcdd1',
    500: '#51b7be',
    950: '#000000',
  },
}

SCSS

$custom: #51b7be;
$custom-light: #8dcdd1;
$custom-dark: #000000;

JSON

{
  "hex": "#51b7be",
  "rgb": {
    "r": 81,
    "g": 183,
    "b": 190
  },
  "hsl": {
    "h": 183.853,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.72228,
    "c": 0.09449,
    "h": 201.4
  },
  "luminance": 0.39334
}

Semantic roles & 50–950 ramp

primary

#51B7BE

secondary

#CDA19E

accent

#5B53D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B7BE

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

Preview Lab → · Contrast checker → · Palette generator →