#51ACBF#51ACBF

#51ACBF is a light, moderate cyan. Relative luminance 0.350; OKLCH L 69.6% C 0.090 H 213.3°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#51ACBF
RGB	rgb(81, 172, 191)
HSL	hsl(190, 46%, 53%)
HSV	hsv(190, 58%, 75%)
CMYK	cmyk(57.6%, 9.9%, 0%, 25.1%)
CIE-LAB	lab(65.76, -21.52, -17.92)
CIE-LCH	lch(65.76, 28.01, 219.77°)
OKLab	oklab(69.64% -0.0755 -0.0496)
OKLCH	oklch(69.64% 0.09 213.3)
XYZ	xyz(27.5461, 35.0133, 54.5867)
Luminance	0.3502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ACBF #BF6451

analogous

#51BF9B #51ACBF #5175BF

triadic

#51ACBF #BF51AC #ACBF51

tetradic

#51ACBF #9B51BF #BF6451 #75BF51

square

#51ACBF #9B51BF #BF6451 #75BF51

split-complementary

#51ACBF #BF5175 #BF9B51

monochromatic

#28616D #39899A #51ACBF #7EC1CF #AAD7E0

Accessibility & contrast

On white

2.62

#51ACBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#51ACBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ACBF

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ACBF	#FFFFFF	#000000	##000000
##51ACBF	1.00	2.62	8.00	8.00
#FFFFFF	2.62	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9EA7C0

Deuteranopia (green-blind)

#8D9ABF

Tritanopia (blue-blind)

#00B4B2

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #51acbf;
/* rgb */ color: rgb(81, 172, 191);
/* oklch */ color: oklch(69.6% 0.090 213.3);

Tailwind

colors: {
  custom: {
    50: '#8cc5d2',
    500: '#51acbf',
    950: '#000000',
  },
}

SCSS

$custom: #51acbf;
$custom-light: #8cc5d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51acbf",
  "rgb": {
    "r": 81,
    "g": 172,
    "b": 191
  },
  "hsl": {
    "h": 190.364,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.6964,
    "c": 0.09038,
    "h": 213.3
  },
  "luminance": 0.35016
}

Semantic roles & 50–950 ramp

primary

#51ACBF

secondary

#CEA69E

accent

#6952D6

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1214

muted

#7E8182

Preview Lab

Preview with #51ACBF

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

Preview Lab → · Contrast checker → · Palette generator →