#51ABB5#51ABB5

#51ABB5 is a light, moderate teal. Relative luminance 0.342; OKLCH L 69.0% C 0.087 H 205.1°. Best body text is #000000 at 7.84:1 contrast (WCAG AA passes).

Color values

HEX	#51ABB5
RGB	rgb(81, 171, 181)
HSL	hsl(186, 40%, 51%)
HSV	hsv(186, 55%, 71%)
CMYK	cmyk(55.2%, 5.5%, 0%, 29%)
CIE-LAB	lab(65.13, -23.90, -13.31)
CIE-LCH	lch(65.13, 27.36, 209.11°)
OKLab	oklab(69.02% -0.0785 -0.0368)
OKLCH	oklch(69.02% 0.087 205.1)
XYZ	xyz(26.2933, 34.2088, 48.9244)
Luminance	0.3421 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51ABB5 #B55B51

analogous

#51B58D #51ABB5 #5179B5

triadic

#51ABB5 #B551AB #ABB551

tetradic

#51ABB5 #8D51B5 #B55B51 #79B551

square

#51ABB5 #8D51B5 #B55B51 #79B551

split-complementary

#51ABB5 #B55179 #B58D51

monochromatic

#2A5C62 #3C858D #51ABB5 #7CC0C7 #A7D4DA

Accessibility & contrast

On white

2.68

#51ABB5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.84

#51ABB5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51ABB5

7.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51ABB5	#FFFFFF	#000000	##000000
##51ABB5	1.00	2.68	7.84	7.84
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.84	21.00	1.00	1.00
##000000	7.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FA5B6

Deuteranopia (green-blind)

#8F99B5

Tritanopia (blue-blind)

#00B1AE

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51abb5;
/* rgb */ color: rgb(81, 171, 181);
/* oklch */ color: oklch(69.0% 0.087 205.1);

Tailwind

colors: {
  custom: {
    50: '#8bc4cb',
    500: '#51abb5',
    950: '#000000',
  },
}

SCSS

$custom: #51abb5;
$custom-light: #8bc4cb;
$custom-dark: #000000;

JSON

{
  "hex": "#51abb5",
  "rgb": {
    "r": 81,
    "g": 171,
    "b": 181
  },
  "hsl": {
    "h": 186,
    "s": 40.323,
    "l": 51.373
  },
  "oklch": {
    "l": 0.69023,
    "c": 0.08671,
    "h": 205.1
  },
  "luminance": 0.34211
}

Semantic roles & 50–950 ramp

primary

#51ABB5

secondary

#C79F9B

accent

#6458D0

background

#F8FCFC

surface

#F0F8F8

border

#CBD1D1

text

#0D1213

muted

#7D8182

Preview Lab

Preview with #51ABB5

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

Preview Lab → · Contrast checker → · Palette generator →