#51B3BE#51B3BE

#51B3BE is a light, moderate teal. Relative luminance 0.377; OKLCH L 71.3% C 0.092 H 205.3°. Best body text is #000000 at 8.54:1 contrast (WCAG AA passes).

Color values

HEX	#51B3BE
RGB	rgb(81, 179, 190)
HSL	hsl(186, 46%, 53%)
HSV	hsv(186, 57%, 75%)
CMYK	cmyk(57.4%, 5.8%, 0%, 25.5%)
CIE-LAB	lab(67.80, -25.37, -14.28)
CIE-LCH	lch(67.80, 29.11, 209.37°)
OKLab	oklab(71.27% -0.0836 -0.0395)
OKLCH	oklch(71.27% 0.092 205.3)
XYZ	xyz(28.8039, 37.7044, 54.4649)
Luminance	0.3771 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B3BE #BE5C51

analogous

#51BE92 #51B3BE #517CBE

triadic

#51B3BE #BE51B3 #B3BE51

tetradic

#51B3BE #9251BE #BE5C51 #7CBE51

square

#51B3BE #9251BE #BE5C51 #7CBE51

split-complementary

#51B3BE #BE517C #BE9251

monochromatic

#28656C #398F99 #51B3BE #7EC6CF #AADADF

Accessibility & contrast

On white

2.46

#51B3BE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.54

#51B3BE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B3BE

8.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B3BE	#FFFFFF	#000000	##000000
##51B3BE	1.00	2.46	8.54	8.54
#FFFFFF	2.46	1.00	21.00	21.00
#000000	8.54	21.00	1.00	1.00
##000000	8.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6ACBF

Deuteranopia (green-blind)

#95A0BE

Tritanopia (blue-blind)

#00BAB6

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51b3be;
/* rgb */ color: rgb(81, 179, 190);
/* oklch */ color: oklch(71.3% 0.092 205.3);

Tailwind

colors: {
  custom: {
    50: '#8ccad1',
    500: '#51b3be',
    950: '#000000',
  },
}

SCSS

$custom: #51b3be;
$custom-light: #8ccad1;
$custom-dark: #000000;

JSON

{
  "hex": "#51b3be",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 190
  },
  "hsl": {
    "h": 186.055,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.71271,
    "c": 0.09246,
    "h": 205.3
  },
  "luminance": 0.37707
}

Semantic roles & 50–950 ramp

primary

#51B3BE

secondary

#CDA39E

accent

#6053D5

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B3BE

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

Preview Lab → · Contrast checker → · Palette generator →