#51BECB#51BECB

#51BECB is a light, moderate teal. Relative luminance 0.429; OKLCH L 74.4% C 0.100 H 206.0°. Best body text is #000000 at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#51BECB
RGB	rgb(81, 190, 203)
HSL	hsl(186, 54%, 56%)
HSV	hsv(186, 60%, 80%)
CMYK	cmyk(60.1%, 6.4%, 0%, 20.4%)
CIE-LAB	lab(71.48, -27.12, -15.88)
CIE-LCH	lch(71.48, 31.43, 210.34°)
OKLab	oklab(74.37% -0.09 -0.044)
OKLCH	oklch(74.37% 0.1 206)
XYZ	xyz(32.5818, 42.8847, 63.0488)
Luminance	0.4289 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BECB #CB5E51

analogous

#51CB9B #51BECB #5181CB

triadic

#51BECB #CB51BE #BECB51

tetradic

#51BECB #9B51CB #CB5E51 #81CB51

square

#51BECB #9B51CB #CB5E51 #81CB51

split-complementary

#51BECB #CB5181 #CB9B51

monochromatic

#25737C #339FAC #51BECB #80D0D9 #AFE1E7

Accessibility & contrast

On white

2.19

#51BECB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.58

#51BECB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BECB

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BECB	#FFFFFF	#000000	##000000
##51BECB	1.00	2.19	9.58	9.58
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.58	21.00	1.00	1.00
##000000	9.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B7CC

Deuteranopia (green-blind)

#9DA9CB

Tritanopia (blue-blind)

#00C5C2

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51becb;
/* rgb */ color: rgb(81, 190, 203);
/* oklch */ color: oklch(74.4% 0.100 206.0);

Tailwind

colors: {
  custom: {
    50: '#8ed2da',
    500: '#51becb',
    950: '#000000',
  },
}

SCSS

$custom: #51becb;
$custom-light: #8ed2da;
$custom-dark: #000000;

JSON

{
  "hex": "#51becb",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 203
  },
  "hsl": {
    "h": 186.393,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74368,
    "c": 0.10021,
    "h": 206
  },
  "luminance": 0.42888
}

Semantic roles & 50–950 ramp

primary

#51BECB

secondary

#D5A8A3

accent

#5A4ADD

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #51BECB

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

Preview Lab → · Contrast checker → · Palette generator →