#5BB9BB#5BB9BB

#5BB9BB is a light, moderate teal. Relative luminance 0.405; OKLCH L 73.0% C 0.089 H 197.2°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#5BB9BB
RGB	rgb(91, 185, 187)
HSL	hsl(181, 41%, 55%)
HSV	hsv(181, 51%, 73%)
CMYK	cmyk(51.3%, 1.1%, 0%, 26.7%)
CIE-LAB	lab(69.83, -27.16, -9.55)
CIE-LCH	lch(69.83, 28.79, 199.38°)
OKLab	oklab(72.97% -0.0851 -0.0264)
OKLCH	oklch(72.97% 0.089 197.2)
XYZ	xyz(30.6293, 40.5071, 53.2086)
Luminance	0.4051 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB9BB #BB5D5B

analogous

#5BBB8D #5BB9BB #5B89BB

triadic

#5BB9BB #BB5BB9 #B9BB5B

tetradic

#5BB9BB #8D5BBB #BB5D5B #89BB5B

square

#5BB9BB #8D5BBB #BB5D5B #89BB5B

split-complementary

#5BB9BB #BB5B89 #BB8D5B

monochromatic

#2E6D6E #409799 #5BB9BB #86CBCD #B2DEDF

Accessibility & contrast

On white

2.31

#5BB9BB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#5BB9BB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB9BB

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB9BB	#FFFFFF	#000000	##000000
##5BB9BB	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AEB2BB

Deuteranopia (green-blind)

#9EA6BC

Tritanopia (blue-blind)

#10BEB9

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bb9bb;
/* rgb */ color: rgb(91, 185, 187);
/* oklch */ color: oklch(73.0% 0.089 197.2);

Tailwind

colors: {
  custom: {
    50: '#91cecf',
    500: '#5bb9bb',
    950: '#000000',
  },
}

SCSS

$custom: #5bb9bb;
$custom-light: #91cecf;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb9bb",
  "rgb": {
    "r": 91,
    "g": 185,
    "b": 187
  },
  "hsl": {
    "h": 181.25,
    "s": 41.379,
    "l": 54.51
  },
  "oklch": {
    "l": 0.72967,
    "c": 0.08906,
    "h": 197.2
  },
  "luminance": 0.4051
}

Semantic roles & 50–950 ramp

primary

#5BB9BB

secondary

#CDA5A5

accent

#5957D1

background

#F9FCFC

surface

#F2F9F9

border

#CCD2D2

text

#0D1313

muted

#7E8282

Preview Lab

Preview with #5BB9BB

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

Preview Lab → · Contrast checker → · Palette generator →